diff options
Diffstat (limited to 'libdrm/intel')
| -rw-r--r-- | libdrm/intel/Makefile.am | 50 | ||||
| -rw-r--r-- | libdrm/intel/intel_atomic.h | 78 | ||||
| -rw-r--r-- | libdrm/intel/intel_bufmgr.c | 237 | ||||
| -rw-r--r-- | libdrm/intel/intel_bufmgr.h | 212 | ||||
| -rw-r--r-- | libdrm/intel/intel_bufmgr_fake.c | 1610 | ||||
| -rw-r--r-- | libdrm/intel/intel_bufmgr_gem.c | 1722 | ||||
| -rw-r--r-- | libdrm/intel/intel_bufmgr_priv.h | 254 | ||||
| -rw-r--r-- | libdrm/intel/intel_chipset.h | 77 | ||||
| -rw-r--r-- | libdrm/intel/libdrm_intel.pc.in | 10 | ||||
| -rw-r--r-- | libdrm/intel/mm.c | 271 | ||||
| -rw-r--r-- | libdrm/intel/mm.h | 94 |
11 files changed, 0 insertions, 4615 deletions
diff --git a/libdrm/intel/Makefile.am b/libdrm/intel/Makefile.am deleted file mode 100644 index c3c563e4..00000000 --- a/libdrm/intel/Makefile.am +++ /dev/null @@ -1,50 +0,0 @@ -# Copyright © 2008 Intel Corporation -# -# Permission is hereby granted, free of charge, to any person obtaining a -# copy of this software and associated documentation files (the "Software"), -# to deal in the Software without restriction, including without limitation -# the rights to use, copy, modify, merge, publish, distribute, sublicense, -# and/or sell copies of the Software, and to permit persons to whom the -# Software is furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice (including the next -# paragraph) shall be included in all copies or substantial portions of the -# Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL -# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING -# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS -# IN THE SOFTWARE. -# -# Authors: -# Eric Anholt <eric@anholt.net> - -AM_CFLAGS = \ - $(WARN_CFLAGS) \ - -I$(top_srcdir)/libdrm \ - -I$(top_srcdir)/libdrm/intel \ - $(PTHREADSTUBS_CFLAGS) \ - -I$(top_srcdir)/include/drm - -libdrm_intel_la_LTLIBRARIES = libdrm_intel.la -libdrm_intel_ladir = $(libdir) -libdrm_intel_la_LDFLAGS = -version-number 1:0:0 -no-undefined -libdrm_intel_la_LIBADD = ../libdrm.la @PTHREADSTUBS_LIBS@ @CLOCK_LIB@ - -libdrm_intel_la_SOURCES = \ - intel_atomic.h \ - intel_bufmgr.c \ - intel_bufmgr_priv.h \ - intel_bufmgr_fake.c \ - intel_bufmgr_gem.c \ - intel_chipset.h \ - mm.c \ - mm.h - -libdrm_intelincludedir = ${includedir} -libdrm_intelinclude_HEADERS = intel_bufmgr.h - -pkgconfig_DATA = libdrm_intel.pc diff --git a/libdrm/intel/intel_atomic.h b/libdrm/intel/intel_atomic.h deleted file mode 100644 index e725c4a4..00000000 --- a/libdrm/intel/intel_atomic.h +++ /dev/null @@ -1,78 +0,0 @@ -/* - * Copyright © 2009 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - * - * Authors: - * Chris Wilson <chris@chris-wilson.co.uk> - * - */ - -/** - * @file intel_atomics.h - * - * Private definitions for atomic operations - */ - -#ifndef INTEL_ATOMICS_H -#define INTEL_ATOMICS_H - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#if HAVE_INTEL_ATOMIC_PRIMITIVES - -#define HAS_ATOMIC_OPS 1 - -typedef struct { - int atomic; -} atomic_t; - -# define atomic_read(x) ((x)->atomic) -# define atomic_set(x, val) ((x)->atomic = (val)) -# define atomic_inc(x) ((void) __sync_fetch_and_add (&(x)->atomic, 1)) -# define atomic_dec_and_test(x) (__sync_fetch_and_add (&(x)->atomic, -1) == 1) -# define atomic_cmpxchg(x, oldv, newv) __sync_val_compare_and_swap (&(x)->atomic, oldv, newv) - -#endif - -#if HAVE_LIB_ATOMIC_OPS -#include <atomic_ops.h> - -#define HAS_ATOMIC_OPS 1 - -typedef struct { - AO_t atomic; -} atomic_t; - -# define atomic_read(x) AO_load_full(&(x)->atomic) -# define atomic_set(x, val) AO_store_full(&(x)->atomic, (val)) -# define atomic_inc(x) ((void) AO_fetch_and_add1_full(&(x)->atomic)) -# define atomic_dec_and_test(x) (AO_fetch_and_sub1_full(&(x)->atomic) == 1) -# define atomic_cmpxchg(x, oldv, newv) AO_compare_and_swap_full(&(x)->atomic, oldv, newv) - -#endif - -#if ! HAS_ATOMIC_OPS -#error libdrm-intel requires atomic operations, please define them for your CPU/compiler. -#endif - -#endif diff --git a/libdrm/intel/intel_bufmgr.c b/libdrm/intel/intel_bufmgr.c deleted file mode 100644 index 2469cd84..00000000 --- a/libdrm/intel/intel_bufmgr.c +++ /dev/null @@ -1,237 +0,0 @@ -/* - * Copyright © 2007 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - * - * Authors: - * Eric Anholt <eric@anholt.net> - * - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <string.h> -#include <stdlib.h> -#include <stdint.h> -#include <assert.h> -#include <errno.h> -#include <drm.h> -#include <i915_drm.h> -#include "intel_bufmgr.h" -#include "intel_bufmgr_priv.h" - -/** @file intel_bufmgr.c - * - * Convenience functions for buffer management methods. - */ - -drm_intel_bo *drm_intel_bo_alloc(drm_intel_bufmgr *bufmgr, const char *name, - unsigned long size, unsigned int alignment) -{ - return bufmgr->bo_alloc(bufmgr, name, size, alignment); -} - -drm_intel_bo *drm_intel_bo_alloc_for_render(drm_intel_bufmgr *bufmgr, - const char *name, - unsigned long size, - unsigned int alignment) -{ - return bufmgr->bo_alloc_for_render(bufmgr, name, size, alignment); -} - -drm_intel_bo * -drm_intel_bo_alloc_tiled(drm_intel_bufmgr *bufmgr, const char *name, - int x, int y, int cpp, uint32_t *tiling_mode, - unsigned long *pitch, unsigned long flags) -{ - return bufmgr->bo_alloc_tiled(bufmgr, name, x, y, cpp, - tiling_mode, pitch, flags); -} - -void drm_intel_bo_reference(drm_intel_bo *bo) -{ - bo->bufmgr->bo_reference(bo); -} - -void drm_intel_bo_unreference(drm_intel_bo *bo) -{ - if (bo == NULL) - return; - - bo->bufmgr->bo_unreference(bo); -} - -int drm_intel_bo_map(drm_intel_bo *buf, int write_enable) -{ - return buf->bufmgr->bo_map(buf, write_enable); -} - -int drm_intel_bo_unmap(drm_intel_bo *buf) -{ - return buf->bufmgr->bo_unmap(buf); -} - -int -drm_intel_bo_subdata(drm_intel_bo *bo, unsigned long offset, - unsigned long size, const void *data) -{ - int ret; - - if (bo->bufmgr->bo_subdata) - return bo->bufmgr->bo_subdata(bo, offset, size, data); - if (size == 0 || data == NULL) - return 0; - - ret = drm_intel_bo_map(bo, 1); - if (ret) - return ret; - memcpy((unsigned char *)bo->virtual + offset, data, size); - drm_intel_bo_unmap(bo); - return 0; -} - -int -drm_intel_bo_get_subdata(drm_intel_bo *bo, unsigned long offset, - unsigned long size, void *data) -{ - int ret; - if (bo->bufmgr->bo_subdata) - return bo->bufmgr->bo_get_subdata(bo, offset, size, data); - - if (size == 0 || data == NULL) - return 0; - - ret = drm_intel_bo_map(bo, 0); - if (ret) - return ret; - memcpy(data, (unsigned char *)bo->virtual + offset, size); - drm_intel_bo_unmap(bo); - return 0; -} - -void drm_intel_bo_wait_rendering(drm_intel_bo *bo) -{ - bo->bufmgr->bo_wait_rendering(bo); -} - -void drm_intel_bufmgr_destroy(drm_intel_bufmgr *bufmgr) -{ - bufmgr->destroy(bufmgr); -} - -int -drm_intel_bo_exec(drm_intel_bo *bo, int used, - drm_clip_rect_t * cliprects, int num_cliprects, int DR4) -{ - return bo->bufmgr->bo_exec(bo, used, cliprects, num_cliprects, DR4); -} - -void drm_intel_bufmgr_set_debug(drm_intel_bufmgr *bufmgr, int enable_debug) -{ - bufmgr->debug = enable_debug; -} - -int drm_intel_bufmgr_check_aperture_space(drm_intel_bo ** bo_array, int count) -{ - return bo_array[0]->bufmgr->check_aperture_space(bo_array, count); -} - -int drm_intel_bo_flink(drm_intel_bo *bo, uint32_t * name) -{ - if (bo->bufmgr->bo_flink) - return bo->bufmgr->bo_flink(bo, name); - - return -ENODEV; -} - -int -drm_intel_bo_emit_reloc(drm_intel_bo *bo, uint32_t offset, - drm_intel_bo *target_bo, uint32_t target_offset, - uint32_t read_domains, uint32_t write_domain) -{ - return bo->bufmgr->bo_emit_reloc(bo, offset, - target_bo, target_offset, - read_domains, write_domain); -} - -int drm_intel_bo_pin(drm_intel_bo *bo, uint32_t alignment) -{ - if (bo->bufmgr->bo_pin) - return bo->bufmgr->bo_pin(bo, alignment); - - return -ENODEV; -} - -int drm_intel_bo_unpin(drm_intel_bo *bo) -{ - if (bo->bufmgr->bo_unpin) - return bo->bufmgr->bo_unpin(bo); - - return -ENODEV; -} - -int drm_intel_bo_set_tiling(drm_intel_bo *bo, uint32_t * tiling_mode, - uint32_t stride) -{ - if (bo->bufmgr->bo_set_tiling) - return bo->bufmgr->bo_set_tiling(bo, tiling_mode, stride); - - *tiling_mode = I915_TILING_NONE; - return 0; -} - -int drm_intel_bo_get_tiling(drm_intel_bo *bo, uint32_t * tiling_mode, - uint32_t * swizzle_mode) -{ - if (bo->bufmgr->bo_get_tiling) - return bo->bufmgr->bo_get_tiling(bo, tiling_mode, swizzle_mode); - - *tiling_mode = I915_TILING_NONE; - *swizzle_mode = I915_BIT_6_SWIZZLE_NONE; - return 0; -} - -int drm_intel_bo_disable_reuse(drm_intel_bo *bo) -{ - if (bo->bufmgr->bo_disable_reuse) - return bo->bufmgr->bo_disable_reuse(bo); - return 0; -} - -int drm_intel_bo_busy(drm_intel_bo *bo) -{ - if (bo->bufmgr->bo_busy) - return bo->bufmgr->bo_busy(bo); - return 0; -} - -int drm_intel_bo_references(drm_intel_bo *bo, drm_intel_bo *target_bo) -{ - return bo->bufmgr->bo_references(bo, target_bo); -} - -int drm_intel_get_pipe_from_crtc_id(drm_intel_bufmgr *bufmgr, int crtc_id) -{ - if (bufmgr->get_pipe_from_crtc_id) - return bufmgr->get_pipe_from_crtc_id(bufmgr, crtc_id); - return -1; -} diff --git a/libdrm/intel/intel_bufmgr.h b/libdrm/intel/intel_bufmgr.h deleted file mode 100644 index 3801ff31..00000000 --- a/libdrm/intel/intel_bufmgr.h +++ /dev/null @@ -1,212 +0,0 @@ -/* - * Copyright © 2008 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - * - * Authors: - * Eric Anholt <eric@anholt.net> - * - */ - -/** - * @file intel_bufmgr.h - * - * Public definitions of Intel-specific bufmgr functions. - */ - -#ifndef INTEL_BUFMGR_H -#define INTEL_BUFMGR_H - -#include <stdint.h> - -typedef struct _drm_intel_bufmgr drm_intel_bufmgr; -typedef struct _drm_intel_bo drm_intel_bo; - -struct _drm_intel_bo { - /** - * Size in bytes of the buffer object. - * - * The size may be larger than the size originally requested for the - * allocation, such as being aligned to page size. - */ - unsigned long size; - - /** - * Alignment requirement for object - * - * Used for GTT mapping & pinning the object. - */ - unsigned long align; - - /** - * Last seen card virtual address (offset from the beginning of the - * aperture) for the object. This should be used to fill relocation - * entries when calling drm_intel_bo_emit_reloc() - */ - unsigned long offset; - - /** - * Virtual address for accessing the buffer data. Only valid while - * mapped. - */ - void *virtual; - - /** Buffer manager context associated with this buffer object */ - drm_intel_bufmgr *bufmgr; - - /** - * MM-specific handle for accessing object - */ - int handle; -}; - -#define BO_ALLOC_FOR_RENDER (1<<0) - -drm_intel_bo *drm_intel_bo_alloc(drm_intel_bufmgr *bufmgr, const char *name, - unsigned long size, unsigned int alignment); -drm_intel_bo *drm_intel_bo_alloc_for_render(drm_intel_bufmgr *bufmgr, - const char *name, - unsigned long size, - unsigned int alignment); -drm_intel_bo *drm_intel_bo_alloc_tiled(drm_intel_bufmgr *bufmgr, - const char *name, - int x, int y, int cpp, - uint32_t *tiling_mode, - unsigned long *pitch, - unsigned long flags); -void drm_intel_bo_reference(drm_intel_bo *bo); -void drm_intel_bo_unreference(drm_intel_bo *bo); -int drm_intel_bo_map(drm_intel_bo *bo, int write_enable); -int drm_intel_bo_unmap(drm_intel_bo *bo); - -int drm_intel_bo_subdata(drm_intel_bo *bo, unsigned long offset, - unsigned long size, const void *data); -int drm_intel_bo_get_subdata(drm_intel_bo *bo, unsigned long offset, - unsigned long size, void *data); -void drm_intel_bo_wait_rendering(drm_intel_bo *bo); - -void drm_intel_bufmgr_set_debug(drm_intel_bufmgr *bufmgr, int enable_debug); -void drm_intel_bufmgr_destroy(drm_intel_bufmgr *bufmgr); -int drm_intel_bo_exec(drm_intel_bo *bo, int used, - drm_clip_rect_t * cliprects, int num_cliprects, int DR4); -int drm_intel_bufmgr_check_aperture_space(drm_intel_bo ** bo_array, int count); - -int drm_intel_bo_emit_reloc(drm_intel_bo *bo, uint32_t offset, - drm_intel_bo *target_bo, uint32_t target_offset, - uint32_t read_domains, uint32_t write_domain); -int drm_intel_bo_pin(drm_intel_bo *bo, uint32_t alignment); -int drm_intel_bo_unpin(drm_intel_bo *bo); -int drm_intel_bo_set_tiling(drm_intel_bo *bo, uint32_t * tiling_mode, - uint32_t stride); -int drm_intel_bo_get_tiling(drm_intel_bo *bo, uint32_t * tiling_mode, - uint32_t * swizzle_mode); -int drm_intel_bo_flink(drm_intel_bo *bo, uint32_t * name); -int drm_intel_bo_busy(drm_intel_bo *bo); - -int drm_intel_bo_disable_reuse(drm_intel_bo *bo); -int drm_intel_bo_references(drm_intel_bo *bo, drm_intel_bo *target_bo); - -/* drm_intel_bufmgr_gem.c */ -drm_intel_bufmgr *drm_intel_bufmgr_gem_init(int fd, int batch_size); -drm_intel_bo *drm_intel_bo_gem_create_from_name(drm_intel_bufmgr *bufmgr, - const char *name, - unsigned int handle); -void drm_intel_bufmgr_gem_enable_reuse(drm_intel_bufmgr *bufmgr); -int drm_intel_gem_bo_map_gtt(drm_intel_bo *bo); -int drm_intel_gem_bo_unmap_gtt(drm_intel_bo *bo); -void drm_intel_gem_bo_start_gtt_access(drm_intel_bo *bo, int write_enable); - -int drm_intel_get_pipe_from_crtc_id(drm_intel_bufmgr *bufmgr, int crtc_id); - -/* drm_intel_bufmgr_fake.c */ -drm_intel_bufmgr *drm_intel_bufmgr_fake_init(int fd, - unsigned long low_offset, - void *low_virtual, - unsigned long size, - volatile unsigned int - *last_dispatch); -void drm_intel_bufmgr_fake_set_last_dispatch(drm_intel_bufmgr *bufmgr, - volatile unsigned int - *last_dispatch); -void drm_intel_bufmgr_fake_set_exec_callback(drm_intel_bufmgr *bufmgr, - int (*exec) (drm_intel_bo *bo, - unsigned int used, - void *priv), - void *priv); -void drm_intel_bufmgr_fake_set_fence_callback(drm_intel_bufmgr *bufmgr, - unsigned int (*emit) (void *priv), - void (*wait) (unsigned int fence, - void *priv), - void *priv); -drm_intel_bo *drm_intel_bo_fake_alloc_static(drm_intel_bufmgr *bufmgr, - const char *name, - unsigned long offset, - unsigned long size, void *virtual); -void drm_intel_bo_fake_disable_backing_store(drm_intel_bo *bo, - void (*invalidate_cb) (drm_intel_bo - * bo, - void *ptr), - void *ptr); - -void drm_intel_bufmgr_fake_contended_lock_take(drm_intel_bufmgr *bufmgr); -void drm_intel_bufmgr_fake_evict_all(drm_intel_bufmgr *bufmgr); - -/** @{ Compatibility defines to keep old code building despite the symbol rename - * from dri_* to drm_intel_* - */ -#define dri_bo drm_intel_bo -#define dri_bufmgr drm_intel_bufmgr -#define dri_bo_alloc drm_intel_bo_alloc -#define dri_bo_reference drm_intel_bo_reference -#define dri_bo_unreference drm_intel_bo_unreference -#define dri_bo_map drm_intel_bo_map -#define dri_bo_unmap drm_intel_bo_unmap -#define dri_bo_subdata drm_intel_bo_subdata -#define dri_bo_get_subdata drm_intel_bo_get_subdata -#define dri_bo_wait_rendering drm_intel_bo_wait_rendering -#define dri_bufmgr_set_debug drm_intel_bufmgr_set_debug -#define dri_bufmgr_destroy drm_intel_bufmgr_destroy -#define dri_bo_exec drm_intel_bo_exec -#define dri_bufmgr_check_aperture_space drm_intel_bufmgr_check_aperture_space -#define dri_bo_emit_reloc(reloc_bo, read, write, target_offset, \ - reloc_offset, target_bo) \ - drm_intel_bo_emit_reloc(reloc_bo, reloc_offset, \ - target_bo, target_offset, \ - read, write); -#define dri_bo_pin drm_intel_bo_pin -#define dri_bo_unpin drm_intel_bo_unpin -#define dri_bo_get_tiling drm_intel_bo_get_tiling -#define dri_bo_set_tiling(bo, mode) drm_intel_bo_set_tiling(bo, mode, 0) -#define dri_bo_flink drm_intel_bo_flink -#define intel_bufmgr_gem_init drm_intel_bufmgr_gem_init -#define intel_bo_gem_create_from_name drm_intel_bo_gem_create_from_name -#define intel_bufmgr_gem_enable_reuse drm_intel_bufmgr_gem_enable_reuse -#define intel_bufmgr_fake_init drm_intel_bufmgr_fake_init -#define intel_bufmgr_fake_set_last_dispatch drm_intel_bufmgr_fake_set_last_dispatch -#define intel_bufmgr_fake_set_exec_callback drm_intel_bufmgr_fake_set_exec_callback -#define intel_bufmgr_fake_set_fence_callback drm_intel_bufmgr_fake_set_fence_callback -#define intel_bo_fake_alloc_static drm_intel_bo_fake_alloc_static -#define intel_bo_fake_disable_backing_store drm_intel_bo_fake_disable_backing_store -#define intel_bufmgr_fake_contended_lock_take drm_intel_bufmgr_fake_contended_lock_take -#define intel_bufmgr_fake_evict_all drm_intel_bufmgr_fake_evict_all - -/** @{ */ - -#endif /* INTEL_BUFMGR_H */ diff --git a/libdrm/intel/intel_bufmgr_fake.c b/libdrm/intel/intel_bufmgr_fake.c deleted file mode 100644 index 54b3cb80..00000000 --- a/libdrm/intel/intel_bufmgr_fake.c +++ /dev/null @@ -1,1610 +0,0 @@ -/************************************************************************** - * - * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -/* Originally a fake version of the buffer manager so that we can - * prototype the changes in a driver fairly quickly, has been fleshed - * out to a fully functional interim solution. - * - * Basically wraps the old style memory management in the new - * programming interface, but is more expressive and avoids many of - * the bugs in the old texture manager. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <stdlib.h> -#include <string.h> -#include <assert.h> -#include <errno.h> -#include <xf86drm.h> -#include <pthread.h> -#include "intel_bufmgr.h" -#include "intel_bufmgr_priv.h" -#include "drm.h" -#include "i915_drm.h" -#include "mm.h" -#include "libdrm_lists.h" - -#define DBG(...) do { \ - if (bufmgr_fake->bufmgr.debug) \ - drmMsg(__VA_ARGS__); \ -} while (0) - -/* Internal flags: - */ -#define BM_NO_BACKING_STORE 0x00000001 -#define BM_NO_FENCE_SUBDATA 0x00000002 -#define BM_PINNED 0x00000004 - -/* Wrapper around mm.c's mem_block, which understands that you must - * wait for fences to expire before memory can be freed. This is - * specific to our use of memcpy for uploads - an upload that was - * processed through the command queue wouldn't need to care about - * fences. - */ -#define MAX_RELOCS 4096 - -struct fake_buffer_reloc { - /** Buffer object that the relocation points at. */ - drm_intel_bo *target_buf; - /** Offset of the relocation entry within reloc_buf. */ - uint32_t offset; - /** - * Cached value of the offset when we last performed this relocation. - */ - uint32_t last_target_offset; - /** Value added to target_buf's offset to get the relocation entry. */ - uint32_t delta; - /** Cache domains the target buffer is read into. */ - uint32_t read_domains; - /** Cache domain the target buffer will have dirty cachelines in. */ - uint32_t write_domain; -}; - -struct block { - struct block *next, *prev; - struct mem_block *mem; /* BM_MEM_AGP */ - - /** - * Marks that the block is currently in the aperture and has yet to be - * fenced. - */ - unsigned on_hardware:1; - /** - * Marks that the block is currently fenced (being used by rendering) - * and can't be freed until @fence is passed. - */ - unsigned fenced:1; - - /** Fence cookie for the block. */ - unsigned fence; /* Split to read_fence, write_fence */ - - drm_intel_bo *bo; - void *virtual; -}; - -typedef struct _bufmgr_fake { - drm_intel_bufmgr bufmgr; - - pthread_mutex_t lock; - - unsigned long low_offset; - unsigned long size; - void *virtual; - - struct mem_block *heap; - - unsigned buf_nr; /* for generating ids */ - - /** - * List of blocks which are currently in the GART but haven't been - * fenced yet. - */ - struct block on_hardware; - /** - * List of blocks which are in the GART and have an active fence on - * them. - */ - struct block fenced; - /** - * List of blocks which have an expired fence and are ready to be - * evicted. - */ - struct block lru; - - unsigned int last_fence; - - unsigned fail:1; - unsigned need_fence:1; - int thrashing; - - /** - * Driver callback to emit a fence, returning the cookie. - * - * This allows the driver to hook in a replacement for the DRM usage in - * bufmgr_fake. - * - * Currently, this also requires that a write flush be emitted before - * emitting the fence, but this should change. - */ - unsigned int (*fence_emit) (void *private); - /** Driver callback to wait for a fence cookie to have passed. */ - void (*fence_wait) (unsigned int fence, void *private); - void *fence_priv; - - /** - * Driver callback to execute a buffer. - * - * This allows the driver to hook in a replacement for the DRM usage in - * bufmgr_fake. - */ - int (*exec) (drm_intel_bo *bo, unsigned int used, void *priv); - void *exec_priv; - - /** Driver-supplied argument to driver callbacks */ - void *driver_priv; - /** - * Pointer to kernel-updated sarea data for the last completed user irq - */ - volatile int *last_dispatch; - - int fd; - - int debug; - - int performed_rendering; -} drm_intel_bufmgr_fake; - -typedef struct _drm_intel_bo_fake { - drm_intel_bo bo; - - unsigned id; /* debug only */ - const char *name; - - unsigned dirty:1; - /** - * has the card written to this buffer - we make need to copy it back - */ - unsigned card_dirty:1; - unsigned int refcount; - /* Flags may consist of any of the DRM_BO flags, plus - * DRM_BO_NO_BACKING_STORE and BM_NO_FENCE_SUBDATA, which are the - * first two driver private flags. - */ - uint64_t flags; - /** Cache domains the target buffer is read into. */ - uint32_t read_domains; - /** Cache domain the target buffer will have dirty cachelines in. */ - uint32_t write_domain; - - unsigned int alignment; - int is_static, validated; - unsigned int map_count; - - /** relocation list */ - struct fake_buffer_reloc *relocs; - int nr_relocs; - /** - * Total size of the target_bos of this buffer. - * - * Used for estimation in check_aperture. - */ - unsigned int child_size; - - struct block *block; - void *backing_store; - void (*invalidate_cb) (drm_intel_bo *bo, void *ptr); - void *invalidate_ptr; -} drm_intel_bo_fake; - -static int clear_fenced(drm_intel_bufmgr_fake *bufmgr_fake, - unsigned int fence_cookie); - -#define MAXFENCE 0x7fffffff - -static int -FENCE_LTE(unsigned a, unsigned b) -{ - if (a == b) - return 1; - - if (a < b && b - a < (1 << 24)) - return 1; - - if (a > b && MAXFENCE - a + b < (1 << 24)) - return 1; - - return 0; -} - -void -drm_intel_bufmgr_fake_set_fence_callback(drm_intel_bufmgr *bufmgr, - unsigned int (*emit) (void *priv), - void (*wait) (unsigned int fence, - void *priv), - void *priv) -{ - drm_intel_bufmgr_fake *bufmgr_fake = (drm_intel_bufmgr_fake *) bufmgr; - - bufmgr_fake->fence_emit = emit; - bufmgr_fake->fence_wait = wait; - bufmgr_fake->fence_priv = priv; -} - -static unsigned int -_fence_emit_internal(drm_intel_bufmgr_fake *bufmgr_fake) -{ - struct drm_i915_irq_emit ie; - int ret, seq = 1; - - if (bufmgr_fake->fence_emit != NULL) { - seq = bufmgr_fake->fence_emit(bufmgr_fake->fence_priv); - return seq; - } - - ie.irq_seq = &seq; - ret = drmCommandWriteRead(bufmgr_fake->fd, DRM_I915_IRQ_EMIT, - &ie, sizeof(ie)); - if (ret) { - drmMsg("%s: drm_i915_irq_emit: %d\n", __FUNCTION__, ret); - abort(); - } - - DBG("emit 0x%08x\n", seq); - return seq; -} - -static void -_fence_wait_internal(drm_intel_bufmgr_fake *bufmgr_fake, int seq) -{ - struct drm_i915_irq_wait iw; - int hw_seq, busy_count = 0; - int ret; - int kernel_lied; - - if (bufmgr_fake->fence_wait != NULL) { - bufmgr_fake->fence_wait(seq, bufmgr_fake->fence_priv); - clear_fenced(bufmgr_fake, seq); - return; - } - - DBG("wait 0x%08x\n", iw.irq_seq); - - iw.irq_seq = seq; - - /* The kernel IRQ_WAIT implementation is all sorts of broken. - * 1) It returns 1 to 0x7fffffff instead of using the full 32-bit - * unsigned range. - * 2) It returns 0 if hw_seq >= seq, not seq - hw_seq < 0 on the 32-bit - * signed range. - * 3) It waits if seq < hw_seq, not seq - hw_seq > 0 on the 32-bit - * signed range. - * 4) It returns -EBUSY in 3 seconds even if the hardware is still - * successfully chewing through buffers. - * - * Assume that in userland we treat sequence numbers as ints, which - * makes some of the comparisons convenient, since the sequence - * numbers are all postive signed integers. - * - * From this we get several cases we need to handle. Here's a timeline. - * 0x2 0x7 0x7ffffff8 0x7ffffffd - * | | | | - * ------------------------------------------------------------ - * - * A) Normal wait for hw to catch up - * hw_seq seq - * | | - * ------------------------------------------------------------ - * seq - hw_seq = 5. If we call IRQ_WAIT, it will wait for hw to - * catch up. - * - * B) Normal wait for a sequence number that's already passed. - * seq hw_seq - * | | - * ------------------------------------------------------------ - * seq - hw_seq = -5. If we call IRQ_WAIT, it returns 0 quickly. - * - * C) Hardware has already wrapped around ahead of us - * hw_seq seq - * | | - * ------------------------------------------------------------ - * seq - hw_seq = 0x80000000 - 5. If we called IRQ_WAIT, it would wait - * for hw_seq >= seq, which may never occur. Thus, we want to catch - * this in userland and return 0. - * - * D) We've wrapped around ahead of the hardware. - * seq hw_seq - * | | - * ------------------------------------------------------------ - * seq - hw_seq = -(0x80000000 - 5). If we called IRQ_WAIT, it would - * return 0 quickly because hw_seq >= seq, even though the hardware - * isn't caught up. Thus, we need to catch this early return in - * userland and bother the kernel until the hardware really does - * catch up. - * - * E) Hardware might wrap after we test in userland. - * hw_seq seq - * | | - * ------------------------------------------------------------ - * seq - hw_seq = 5. If we call IRQ_WAIT, it will likely see seq >= - * hw_seq and wait. However, suppose hw_seq wraps before we make it - * into the kernel. The kernel sees hw_seq >= seq and waits for 3 - * seconds then returns -EBUSY. This is case C). We should catch - * this and then return successfully. - * - * F) Hardware might take a long time on a buffer. - * hw_seq seq - * | | - * ------------------------------------------------------------------- - * seq - hw_seq = 5. If we call IRQ_WAIT, if sequence 2 through 5 - * take too long, it will return -EBUSY. Batchbuffers in the - * gltestperf demo were seen to take up to 7 seconds. We should - * catch early -EBUSY return and keep trying. - */ - - do { - /* Keep a copy of last_dispatch so that if the wait -EBUSYs - * because the hardware didn't catch up in 3 seconds, we can - * see if it at least made progress and retry. - */ - hw_seq = *bufmgr_fake->last_dispatch; - - /* Catch case C */ - if (seq - hw_seq > 0x40000000) - return; - - ret = drmCommandWrite(bufmgr_fake->fd, DRM_I915_IRQ_WAIT, - &iw, sizeof(iw)); - /* Catch case D */ - kernel_lied = (ret == 0) && (seq - *bufmgr_fake->last_dispatch < - -0x40000000); - - /* Catch case E */ - if (ret == -EBUSY - && (seq - *bufmgr_fake->last_dispatch > 0x40000000)) - ret = 0; - - /* Catch case F: Allow up to 15 seconds chewing on one buffer. */ - if ((ret == -EBUSY) && (hw_seq != *bufmgr_fake->last_dispatch)) - busy_count = 0; - else - busy_count++; - } while (kernel_lied || ret == -EAGAIN || ret == -EINTR || - (ret == -EBUSY && busy_count < 5)); - - if (ret != 0) { - drmMsg("%s:%d: Error waiting for fence: %s.\n", __FILE__, - __LINE__, strerror(-ret)); - abort(); - } - clear_fenced(bufmgr_fake, seq); -} - -static int -_fence_test(drm_intel_bufmgr_fake *bufmgr_fake, unsigned fence) -{ - /* Slight problem with wrap-around: - */ - return fence == 0 || FENCE_LTE(fence, bufmgr_fake->last_fence); -} - -/** - * Allocate a memory manager block for the buffer. - */ -static int -alloc_block(drm_intel_bo *bo) -{ - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) bo; - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo->bufmgr; - struct block *block = (struct block *)calloc(sizeof *block, 1); - unsigned int align_log2 = ffs(bo_fake->alignment) - 1; - unsigned int sz; - - if (!block) - return 1; - - sz = (bo->size + bo_fake->alignment - 1) & ~(bo_fake->alignment - 1); - - block->mem = mmAllocMem(bufmgr_fake->heap, sz, align_log2, 0); - if (!block->mem) { - free(block); - return 0; - } - - DRMINITLISTHEAD(block); - - /* Insert at head or at tail??? */ - DRMLISTADDTAIL(block, &bufmgr_fake->lru); - - block->virtual = (uint8_t *) bufmgr_fake->virtual + - block->mem->ofs - bufmgr_fake->low_offset; - block->bo = bo; - - bo_fake->block = block; - - return 1; -} - -/* Release the card storage associated with buf: - */ -static void -free_block(drm_intel_bufmgr_fake *bufmgr_fake, struct block *block, - int skip_dirty_copy) -{ - drm_intel_bo_fake *bo_fake; - DBG("free block %p %08x %d %d\n", block, block->mem->ofs, - block->on_hardware, block->fenced); - - if (!block) - return; - - bo_fake = (drm_intel_bo_fake *) block->bo; - - if (bo_fake->flags & (BM_PINNED | BM_NO_BACKING_STORE)) - skip_dirty_copy = 1; - - if (!skip_dirty_copy && (bo_fake->card_dirty == 1)) { - memcpy(bo_fake->backing_store, block->virtual, block->bo->size); - bo_fake->card_dirty = 0; - bo_fake->dirty = 1; - } - - if (block->on_hardware) { - block->bo = NULL; - } else if (block->fenced) { - block->bo = NULL; - } else { - DBG(" - free immediately\n"); - DRMLISTDEL(block); - - mmFreeMem(block->mem); - free(block); - } -} - -static void -alloc_backing_store(drm_intel_bo *bo) -{ - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo->bufmgr; - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) bo; - assert(!bo_fake->backing_store); - assert(!(bo_fake->flags & (BM_PINNED | BM_NO_BACKING_STORE))); - - bo_fake->backing_store = malloc(bo->size); - - DBG("alloc_backing - buf %d %p %d\n", bo_fake->id, - bo_fake->backing_store, bo->size); - assert(bo_fake->backing_store); -} - -static void -free_backing_store(drm_intel_bo *bo) -{ - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) bo; - - if (bo_fake->backing_store) { - assert(!(bo_fake->flags & (BM_PINNED | BM_NO_BACKING_STORE))); - free(bo_fake->backing_store); - bo_fake->backing_store = NULL; - } -} - -static void -set_dirty(drm_intel_bo *bo) -{ - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo->bufmgr; - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) bo; - - if (bo_fake->flags & BM_NO_BACKING_STORE - && bo_fake->invalidate_cb != NULL) - bo_fake->invalidate_cb(bo, bo_fake->invalidate_ptr); - - assert(!(bo_fake->flags & BM_PINNED)); - - DBG("set_dirty - buf %d\n", bo_fake->id); - bo_fake->dirty = 1; -} - -static int -evict_lru(drm_intel_bufmgr_fake *bufmgr_fake, unsigned int max_fence) -{ - struct block *block, *tmp; - - DBG("%s\n", __FUNCTION__); - - DRMLISTFOREACHSAFE(block, tmp, &bufmgr_fake->lru) { - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) block->bo; - - if (bo_fake != NULL && (bo_fake->flags & BM_NO_FENCE_SUBDATA)) - continue; - - if (block->fence && max_fence && !FENCE_LTE(block->fence, - max_fence)) - return 0; - - set_dirty(&bo_fake->bo); - bo_fake->block = NULL; - - free_block(bufmgr_fake, block, 0); - return 1; - } - - return 0; -} - -static int -evict_mru(drm_intel_bufmgr_fake *bufmgr_fake) -{ - struct block *block, *tmp; - - DBG("%s\n", __FUNCTION__); - - DRMLISTFOREACHSAFEREVERSE(block, tmp, &bufmgr_fake->lru) { - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) block->bo; - - if (bo_fake && (bo_fake->flags & BM_NO_FENCE_SUBDATA)) - continue; - - set_dirty(&bo_fake->bo); - bo_fake->block = NULL; - - free_block(bufmgr_fake, block, 0); - return 1; - } - - return 0; -} - -/** - * Removes all objects from the fenced list older than the given fence. - */ -static int -clear_fenced(drm_intel_bufmgr_fake *bufmgr_fake, unsigned int fence_cookie) -{ - struct block *block, *tmp; - int ret = 0; - - bufmgr_fake->last_fence = fence_cookie; - DRMLISTFOREACHSAFE(block, tmp, &bufmgr_fake->fenced) { - assert(block->fenced); - - if (_fence_test(bufmgr_fake, block->fence)) { - - block->fenced = 0; - - if (!block->bo) { - DBG("delayed free: offset %x sz %x\n", - block->mem->ofs, block->mem->size); - DRMLISTDEL(block); - mmFreeMem(block->mem); - free(block); - } else { - DBG("return to lru: offset %x sz %x\n", - block->mem->ofs, block->mem->size); - DRMLISTDEL(block); - DRMLISTADDTAIL(block, &bufmgr_fake->lru); - } - - ret = 1; - } else { - /* Blocks are ordered by fence, so if one fails, all - * from here will fail also: - */ - DBG("fence not passed: offset %x sz %x %d %d \n", - block->mem->ofs, block->mem->size, block->fence, - bufmgr_fake->last_fence); - break; - } - } - - DBG("%s: %d\n", __FUNCTION__, ret); - return ret; -} - -static void -fence_blocks(drm_intel_bufmgr_fake *bufmgr_fake, unsigned fence) -{ - struct block *block, *tmp; - - DRMLISTFOREACHSAFE(block, tmp, &bufmgr_fake->on_hardware) { - DBG("Fence block %p (sz 0x%x ofs %x buf %p) with fence %d\n", - block, block->mem->size, block->mem->ofs, block->bo, fence); - block->fence = fence; - - block->on_hardware = 0; - block->fenced = 1; - - /* Move to tail of pending list here - */ - DRMLISTDEL(block); - DRMLISTADDTAIL(block, &bufmgr_fake->fenced); - } - - assert(DRMLISTEMPTY(&bufmgr_fake->on_hardware)); -} - -static int -evict_and_alloc_block(drm_intel_bo *bo) -{ - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo->bufmgr; - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) bo; - - assert(bo_fake->block == NULL); - - /* Search for already free memory: - */ - if (alloc_block(bo)) - return 1; - - /* If we're not thrashing, allow lru eviction to dig deeper into - * recently used textures. We'll probably be thrashing soon: - */ - if (!bufmgr_fake->thrashing) { - while (evict_lru(bufmgr_fake, 0)) - if (alloc_block(bo)) - return 1; - } - - /* Keep thrashing counter alive? - */ - if (bufmgr_fake->thrashing) - bufmgr_fake->thrashing = 20; - - /* Wait on any already pending fences - here we are waiting for any - * freed memory that has been submitted to hardware and fenced to - * become available: - */ - while (!DRMLISTEMPTY(&bufmgr_fake->fenced)) { - uint32_t fence = bufmgr_fake->fenced.next->fence; - _fence_wait_internal(bufmgr_fake, fence); - - if (alloc_block(bo)) - return 1; - } - - if (!DRMLISTEMPTY(&bufmgr_fake->on_hardware)) { - while (!DRMLISTEMPTY(&bufmgr_fake->fenced)) { - uint32_t fence = bufmgr_fake->fenced.next->fence; - _fence_wait_internal(bufmgr_fake, fence); - } - - if (!bufmgr_fake->thrashing) { - DBG("thrashing\n"); - } - bufmgr_fake->thrashing = 20; - - if (alloc_block(bo)) - return 1; - } - - while (evict_mru(bufmgr_fake)) - if (alloc_block(bo)) - return 1; - - DBG("%s 0x%x bytes failed\n", __FUNCTION__, bo->size); - - return 0; -} - -/*********************************************************************** - * Public functions - */ - -/** - * Wait for hardware idle by emitting a fence and waiting for it. - */ -static void -drm_intel_bufmgr_fake_wait_idle(drm_intel_bufmgr_fake *bufmgr_fake) -{ - unsigned int cookie; - - cookie = _fence_emit_internal(bufmgr_fake); - _fence_wait_internal(bufmgr_fake, cookie); -} - -/** - * Wait for rendering to a buffer to complete. - * - * It is assumed that the bathcbuffer which performed the rendering included - * the necessary flushing. - */ -static void -drm_intel_fake_bo_wait_rendering_locked(drm_intel_bo *bo) -{ - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo->bufmgr; - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) bo; - - if (bo_fake->block == NULL || !bo_fake->block->fenced) - return; - - _fence_wait_internal(bufmgr_fake, bo_fake->block->fence); -} - -static void -drm_intel_fake_bo_wait_rendering(drm_intel_bo *bo) -{ - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo->bufmgr; - - pthread_mutex_lock(&bufmgr_fake->lock); - drm_intel_fake_bo_wait_rendering_locked(bo); - pthread_mutex_unlock(&bufmgr_fake->lock); -} - -/* Specifically ignore texture memory sharing. - * -- just evict everything - * -- and wait for idle - */ -void -drm_intel_bufmgr_fake_contended_lock_take(drm_intel_bufmgr *bufmgr) -{ - drm_intel_bufmgr_fake *bufmgr_fake = (drm_intel_bufmgr_fake *) bufmgr; - struct block *block, *tmp; - - pthread_mutex_lock(&bufmgr_fake->lock); - - bufmgr_fake->need_fence = 1; - bufmgr_fake->fail = 0; - - /* Wait for hardware idle. We don't know where acceleration has been - * happening, so we'll need to wait anyway before letting anything get - * put on the card again. - */ - drm_intel_bufmgr_fake_wait_idle(bufmgr_fake); - - /* Check that we hadn't released the lock without having fenced the last - * set of buffers. - */ - assert(DRMLISTEMPTY(&bufmgr_fake->fenced)); - assert(DRMLISTEMPTY(&bufmgr_fake->on_hardware)); - - DRMLISTFOREACHSAFE(block, tmp, &bufmgr_fake->lru) { - assert(_fence_test(bufmgr_fake, block->fence)); - set_dirty(block->bo); - } - - pthread_mutex_unlock(&bufmgr_fake->lock); -} - -static drm_intel_bo * -drm_intel_fake_bo_alloc(drm_intel_bufmgr *bufmgr, - const char *name, - unsigned long size, - unsigned int alignment) -{ - drm_intel_bufmgr_fake *bufmgr_fake; - drm_intel_bo_fake *bo_fake; - - bufmgr_fake = (drm_intel_bufmgr_fake *) bufmgr; - - assert(size != 0); - - bo_fake = calloc(1, sizeof(*bo_fake)); - if (!bo_fake) - return NULL; - - bo_fake->bo.size = size; - bo_fake->bo.offset = -1; - bo_fake->bo.virtual = NULL; - bo_fake->bo.bufmgr = bufmgr; - bo_fake->refcount = 1; - - /* Alignment must be a power of two */ - assert((alignment & (alignment - 1)) == 0); - if (alignment == 0) - alignment = 1; - bo_fake->alignment = alignment; - bo_fake->id = ++bufmgr_fake->buf_nr; - bo_fake->name = name; - bo_fake->flags = 0; - bo_fake->is_static = 0; - - DBG("drm_bo_alloc: (buf %d: %s, %d kb)\n", bo_fake->id, bo_fake->name, - bo_fake->bo.size / 1024); - - return &bo_fake->bo; -} - -static drm_intel_bo * -drm_intel_fake_bo_alloc_tiled(drm_intel_bufmgr * bufmgr, - const char *name, - int x, int y, int cpp, - uint32_t *tiling_mode, - unsigned long *pitch, - unsigned long flags) -{ - unsigned long stride, aligned_y; - - /* No runtime tiling support for fake. */ - *tiling_mode = I915_TILING_NONE; - - /* Align it for being a render target. Shouldn't need anything else. */ - stride = x * cpp; - stride = ROUND_UP_TO(stride, 64); - - /* 965 subspan loading alignment */ - aligned_y = ALIGN(y, 2); - - *pitch = stride; - - return drm_intel_fake_bo_alloc(bufmgr, name, stride * aligned_y, - 4096); -} - -drm_intel_bo * -drm_intel_bo_fake_alloc_static(drm_intel_bufmgr *bufmgr, - const char *name, - unsigned long offset, - unsigned long size, void *virtual) -{ - drm_intel_bufmgr_fake *bufmgr_fake; - drm_intel_bo_fake *bo_fake; - - bufmgr_fake = (drm_intel_bufmgr_fake *) bufmgr; - - assert(size != 0); - - bo_fake = calloc(1, sizeof(*bo_fake)); - if (!bo_fake) - return NULL; - - bo_fake->bo.size = size; - bo_fake->bo.offset = offset; - bo_fake->bo.virtual = virtual; - bo_fake->bo.bufmgr = bufmgr; - bo_fake->refcount = 1; - bo_fake->id = ++bufmgr_fake->buf_nr; - bo_fake->name = name; - bo_fake->flags = BM_PINNED; - bo_fake->is_static = 1; - - DBG("drm_bo_alloc_static: (buf %d: %s, %d kb)\n", bo_fake->id, - bo_fake->name, bo_fake->bo.size / 1024); - - return &bo_fake->bo; -} - -static void -drm_intel_fake_bo_reference(drm_intel_bo *bo) -{ - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo->bufmgr; - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) bo; - - pthread_mutex_lock(&bufmgr_fake->lock); - bo_fake->refcount++; - pthread_mutex_unlock(&bufmgr_fake->lock); -} - -static void -drm_intel_fake_bo_reference_locked(drm_intel_bo *bo) -{ - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) bo; - - bo_fake->refcount++; -} - -static void -drm_intel_fake_bo_unreference_locked(drm_intel_bo *bo) -{ - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo->bufmgr; - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) bo; - int i; - - if (--bo_fake->refcount == 0) { - assert(bo_fake->map_count == 0); - /* No remaining references, so free it */ - if (bo_fake->block) - free_block(bufmgr_fake, bo_fake->block, 1); - free_backing_store(bo); - - for (i = 0; i < bo_fake->nr_relocs; i++) - drm_intel_fake_bo_unreference_locked(bo_fake->relocs[i]. - target_buf); - - DBG("drm_bo_unreference: free buf %d %s\n", bo_fake->id, - bo_fake->name); - - free(bo_fake->relocs); - free(bo); - } -} - -static void -drm_intel_fake_bo_unreference(drm_intel_bo *bo) -{ - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo->bufmgr; - - pthread_mutex_lock(&bufmgr_fake->lock); - drm_intel_fake_bo_unreference_locked(bo); - pthread_mutex_unlock(&bufmgr_fake->lock); -} - -/** - * Set the buffer as not requiring backing store, and instead get the callback - * invoked whenever it would be set dirty. - */ -void -drm_intel_bo_fake_disable_backing_store(drm_intel_bo *bo, - void (*invalidate_cb) (drm_intel_bo *bo, - void *ptr), - void *ptr) -{ - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo->bufmgr; - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) bo; - - pthread_mutex_lock(&bufmgr_fake->lock); - - if (bo_fake->backing_store) - free_backing_store(bo); - - bo_fake->flags |= BM_NO_BACKING_STORE; - - DBG("disable_backing_store set buf %d dirty\n", bo_fake->id); - bo_fake->dirty = 1; - bo_fake->invalidate_cb = invalidate_cb; - bo_fake->invalidate_ptr = ptr; - - /* Note that it is invalid right from the start. Also note - * invalidate_cb is called with the bufmgr locked, so cannot - * itself make bufmgr calls. - */ - if (invalidate_cb != NULL) - invalidate_cb(bo, ptr); - - pthread_mutex_unlock(&bufmgr_fake->lock); -} - -/** - * Map a buffer into bo->virtual, allocating either card memory space (If - * BM_NO_BACKING_STORE or BM_PINNED) or backing store, as necessary. - */ -static int - drm_intel_fake_bo_map_locked(drm_intel_bo *bo, int write_enable) -{ - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo->bufmgr; - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) bo; - - /* Static buffers are always mapped. */ - if (bo_fake->is_static) { - if (bo_fake->card_dirty) { - drm_intel_bufmgr_fake_wait_idle(bufmgr_fake); - bo_fake->card_dirty = 0; - } - return 0; - } - - /* Allow recursive mapping. Mesa may recursively map buffers with - * nested display loops, and it is used internally in bufmgr_fake - * for relocation. - */ - if (bo_fake->map_count++ != 0) - return 0; - - { - DBG("drm_bo_map: (buf %d: %s, %d kb)\n", bo_fake->id, - bo_fake->name, bo_fake->bo.size / 1024); - - if (bo->virtual != NULL) { - drmMsg("%s: already mapped\n", __FUNCTION__); - abort(); - } else if (bo_fake->flags & (BM_NO_BACKING_STORE | BM_PINNED)) { - - if (!bo_fake->block && !evict_and_alloc_block(bo)) { - DBG("%s: alloc failed\n", __FUNCTION__); - bufmgr_fake->fail = 1; - return 1; - } else { - assert(bo_fake->block); - bo_fake->dirty = 0; - - if (!(bo_fake->flags & BM_NO_FENCE_SUBDATA) && - bo_fake->block->fenced) { - drm_intel_fake_bo_wait_rendering_locked - (bo); - } - - bo->virtual = bo_fake->block->virtual; - } - } else { - if (write_enable) - set_dirty(bo); - - if (bo_fake->backing_store == 0) - alloc_backing_store(bo); - - if ((bo_fake->card_dirty == 1) && bo_fake->block) { - if (bo_fake->block->fenced) - drm_intel_fake_bo_wait_rendering_locked - (bo); - - memcpy(bo_fake->backing_store, - bo_fake->block->virtual, - bo_fake->block->bo->size); - bo_fake->card_dirty = 0; - } - - bo->virtual = bo_fake->backing_store; - } - } - - return 0; -} - -static int - drm_intel_fake_bo_map(drm_intel_bo *bo, int write_enable) -{ - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo->bufmgr; - int ret; - - pthread_mutex_lock(&bufmgr_fake->lock); - ret = drm_intel_fake_bo_map_locked(bo, write_enable); - pthread_mutex_unlock(&bufmgr_fake->lock); - - return ret; -} - -static int - drm_intel_fake_bo_unmap_locked(drm_intel_bo *bo) -{ - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo->bufmgr; - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) bo; - - /* Static buffers are always mapped. */ - if (bo_fake->is_static) - return 0; - - assert(bo_fake->map_count != 0); - if (--bo_fake->map_count != 0) - return 0; - - DBG("drm_bo_unmap: (buf %d: %s, %d kb)\n", bo_fake->id, bo_fake->name, - bo_fake->bo.size / 1024); - - bo->virtual = NULL; - - return 0; -} - -static int drm_intel_fake_bo_unmap(drm_intel_bo *bo) -{ - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo->bufmgr; - int ret; - - pthread_mutex_lock(&bufmgr_fake->lock); - ret = drm_intel_fake_bo_unmap_locked(bo); - pthread_mutex_unlock(&bufmgr_fake->lock); - - return ret; -} - -static void - drm_intel_fake_kick_all_locked(drm_intel_bufmgr_fake *bufmgr_fake) -{ - struct block *block, *tmp; - - bufmgr_fake->performed_rendering = 0; - /* okay for ever BO that is on the HW kick it off. - seriously not afraid of the POLICE right now */ - DRMLISTFOREACHSAFE(block, tmp, &bufmgr_fake->on_hardware) { - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) block->bo; - - block->on_hardware = 0; - free_block(bufmgr_fake, block, 0); - bo_fake->block = NULL; - bo_fake->validated = 0; - if (!(bo_fake->flags & BM_NO_BACKING_STORE)) - bo_fake->dirty = 1; - } - -} - -static int - drm_intel_fake_bo_validate(drm_intel_bo *bo) -{ - drm_intel_bufmgr_fake *bufmgr_fake; - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) bo; - - bufmgr_fake = (drm_intel_bufmgr_fake *) bo->bufmgr; - - DBG("drm_bo_validate: (buf %d: %s, %d kb)\n", bo_fake->id, - bo_fake->name, bo_fake->bo.size / 1024); - - /* Sanity check: Buffers should be unmapped before being validated. - * This is not so much of a problem for bufmgr_fake, but TTM refuses, - * and the problem is harder to debug there. - */ - assert(bo_fake->map_count == 0); - - if (bo_fake->is_static) { - /* Add it to the needs-fence list */ - bufmgr_fake->need_fence = 1; - return 0; - } - - /* Allocate the card memory */ - if (!bo_fake->block && !evict_and_alloc_block(bo)) { - bufmgr_fake->fail = 1; - DBG("Failed to validate buf %d:%s\n", bo_fake->id, - bo_fake->name); - return -1; - } - - assert(bo_fake->block); - assert(bo_fake->block->bo == &bo_fake->bo); - - bo->offset = bo_fake->block->mem->ofs; - - /* Upload the buffer contents if necessary */ - if (bo_fake->dirty) { - DBG("Upload dirty buf %d:%s, sz %d offset 0x%x\n", bo_fake->id, - bo_fake->name, bo->size, bo_fake->block->mem->ofs); - - assert(!(bo_fake->flags & (BM_NO_BACKING_STORE | BM_PINNED))); - - /* Actually, should be able to just wait for a fence on the - * mmory, hich we would be tracking when we free it. Waiting - * for idle is a sufficiently large hammer for now. - */ - drm_intel_bufmgr_fake_wait_idle(bufmgr_fake); - - /* we may never have mapped this BO so it might not have any - * backing store if this happens it should be rare, but 0 the - * card memory in any case */ - if (bo_fake->backing_store) - memcpy(bo_fake->block->virtual, bo_fake->backing_store, - bo->size); - else - memset(bo_fake->block->virtual, 0, bo->size); - - bo_fake->dirty = 0; - } - - bo_fake->block->fenced = 0; - bo_fake->block->on_hardware = 1; - DRMLISTDEL(bo_fake->block); - DRMLISTADDTAIL(bo_fake->block, &bufmgr_fake->on_hardware); - - bo_fake->validated = 1; - bufmgr_fake->need_fence = 1; - - return 0; -} - -static void -drm_intel_fake_fence_validated(drm_intel_bufmgr *bufmgr) -{ - drm_intel_bufmgr_fake *bufmgr_fake = (drm_intel_bufmgr_fake *) bufmgr; - unsigned int cookie; - - cookie = _fence_emit_internal(bufmgr_fake); - fence_blocks(bufmgr_fake, cookie); - - DBG("drm_fence_validated: 0x%08x cookie\n", cookie); -} - -static void -drm_intel_fake_destroy(drm_intel_bufmgr *bufmgr) -{ - drm_intel_bufmgr_fake *bufmgr_fake = (drm_intel_bufmgr_fake *) bufmgr; - - pthread_mutex_destroy(&bufmgr_fake->lock); - mmDestroy(bufmgr_fake->heap); - free(bufmgr); -} - -static int -drm_intel_fake_emit_reloc(drm_intel_bo *bo, uint32_t offset, - drm_intel_bo *target_bo, uint32_t target_offset, - uint32_t read_domains, uint32_t write_domain) -{ - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo->bufmgr; - struct fake_buffer_reloc *r; - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) bo; - drm_intel_bo_fake *target_fake = (drm_intel_bo_fake *) target_bo; - int i; - - pthread_mutex_lock(&bufmgr_fake->lock); - - assert(bo); - assert(target_bo); - - if (bo_fake->relocs == NULL) { - bo_fake->relocs = - malloc(sizeof(struct fake_buffer_reloc) * MAX_RELOCS); - } - - r = &bo_fake->relocs[bo_fake->nr_relocs++]; - - assert(bo_fake->nr_relocs <= MAX_RELOCS); - - drm_intel_fake_bo_reference_locked(target_bo); - - if (!target_fake->is_static) { - bo_fake->child_size += - ALIGN(target_bo->size, target_fake->alignment); - bo_fake->child_size += target_fake->child_size; - } - r->target_buf = target_bo; - r->offset = offset; - r->last_target_offset = target_bo->offset; - r->delta = target_offset; - r->read_domains = read_domains; - r->write_domain = write_domain; - - if (bufmgr_fake->debug) { - /* Check that a conflicting relocation hasn't already been - * emitted. - */ - for (i = 0; i < bo_fake->nr_relocs - 1; i++) { - struct fake_buffer_reloc *r2 = &bo_fake->relocs[i]; - - assert(r->offset != r2->offset); - } - } - - pthread_mutex_unlock(&bufmgr_fake->lock); - - return 0; -} - -/** - * Incorporates the validation flags associated with each relocation into - * the combined validation flags for the buffer on this batchbuffer submission. - */ -static void -drm_intel_fake_calculate_domains(drm_intel_bo *bo) -{ - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) bo; - int i; - - for (i = 0; i < bo_fake->nr_relocs; i++) { - struct fake_buffer_reloc *r = &bo_fake->relocs[i]; - drm_intel_bo_fake *target_fake = - (drm_intel_bo_fake *) r->target_buf; - - /* Do the same for the tree of buffers we depend on */ - drm_intel_fake_calculate_domains(r->target_buf); - - target_fake->read_domains |= r->read_domains; - target_fake->write_domain |= r->write_domain; - } -} - -static int -drm_intel_fake_reloc_and_validate_buffer(drm_intel_bo *bo) -{ - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo->bufmgr; - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) bo; - int i, ret; - - assert(bo_fake->map_count == 0); - - for (i = 0; i < bo_fake->nr_relocs; i++) { - struct fake_buffer_reloc *r = &bo_fake->relocs[i]; - drm_intel_bo_fake *target_fake = - (drm_intel_bo_fake *) r->target_buf; - uint32_t reloc_data; - - /* Validate the target buffer if that hasn't been done. */ - if (!target_fake->validated) { - ret = - drm_intel_fake_reloc_and_validate_buffer(r->target_buf); - if (ret != 0) { - if (bo->virtual != NULL) - drm_intel_fake_bo_unmap_locked(bo); - return ret; - } - } - - /* Calculate the value of the relocation entry. */ - if (r->target_buf->offset != r->last_target_offset) { - reloc_data = r->target_buf->offset + r->delta; - - if (bo->virtual == NULL) - drm_intel_fake_bo_map_locked(bo, 1); - - *(uint32_t *) ((uint8_t *) bo->virtual + r->offset) = - reloc_data; - - r->last_target_offset = r->target_buf->offset; - } - } - - if (bo->virtual != NULL) - drm_intel_fake_bo_unmap_locked(bo); - - if (bo_fake->write_domain != 0) { - if (!(bo_fake->flags & (BM_NO_BACKING_STORE | BM_PINNED))) { - if (bo_fake->backing_store == 0) - alloc_backing_store(bo); - } - bo_fake->card_dirty = 1; - bufmgr_fake->performed_rendering = 1; - } - - return drm_intel_fake_bo_validate(bo); -} - -static void -drm_intel_bo_fake_post_submit(drm_intel_bo *bo) -{ - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo->bufmgr; - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) bo; - int i; - - for (i = 0; i < bo_fake->nr_relocs; i++) { - struct fake_buffer_reloc *r = &bo_fake->relocs[i]; - drm_intel_bo_fake *target_fake = - (drm_intel_bo_fake *) r->target_buf; - - if (target_fake->validated) - drm_intel_bo_fake_post_submit(r->target_buf); - - DBG("%s@0x%08x + 0x%08x -> %s@0x%08x + 0x%08x\n", - bo_fake->name, (uint32_t) bo->offset, r->offset, - target_fake->name, (uint32_t) r->target_buf->offset, - r->delta); - } - - assert(bo_fake->map_count == 0); - bo_fake->validated = 0; - bo_fake->read_domains = 0; - bo_fake->write_domain = 0; -} - -void -drm_intel_bufmgr_fake_set_exec_callback(drm_intel_bufmgr *bufmgr, - int (*exec) (drm_intel_bo *bo, - unsigned int used, - void *priv), - void *priv) -{ - drm_intel_bufmgr_fake *bufmgr_fake = (drm_intel_bufmgr_fake *) bufmgr; - - bufmgr_fake->exec = exec; - bufmgr_fake->exec_priv = priv; -} - -static int -drm_intel_fake_bo_exec(drm_intel_bo *bo, int used, - drm_clip_rect_t * cliprects, int num_cliprects, int DR4) -{ - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo->bufmgr; - drm_intel_bo_fake *batch_fake = (drm_intel_bo_fake *) bo; - struct drm_i915_batchbuffer batch; - int ret; - int retry_count = 0; - - pthread_mutex_lock(&bufmgr_fake->lock); - - bufmgr_fake->performed_rendering = 0; - - drm_intel_fake_calculate_domains(bo); - - batch_fake->read_domains = I915_GEM_DOMAIN_COMMAND; - - /* we've ran out of RAM so blow the whole lot away and retry */ -restart: - ret = drm_intel_fake_reloc_and_validate_buffer(bo); - if (bufmgr_fake->fail == 1) { - if (retry_count == 0) { - retry_count++; - drm_intel_fake_kick_all_locked(bufmgr_fake); - bufmgr_fake->fail = 0; - goto restart; - } else /* dump out the memory here */ - mmDumpMemInfo(bufmgr_fake->heap); - } - - assert(ret == 0); - - if (bufmgr_fake->exec != NULL) { - int ret = bufmgr_fake->exec(bo, used, bufmgr_fake->exec_priv); - if (ret != 0) { - pthread_mutex_unlock(&bufmgr_fake->lock); - return ret; - } - } else { - batch.start = bo->offset; - batch.used = used; - batch.cliprects = cliprects; - batch.num_cliprects = num_cliprects; - batch.DR1 = 0; - batch.DR4 = DR4; - - if (drmCommandWrite - (bufmgr_fake->fd, DRM_I915_BATCHBUFFER, &batch, - sizeof(batch))) { - drmMsg("DRM_I915_BATCHBUFFER: %d\n", -errno); - pthread_mutex_unlock(&bufmgr_fake->lock); - return -errno; - } - } - - drm_intel_fake_fence_validated(bo->bufmgr); - - drm_intel_bo_fake_post_submit(bo); - - pthread_mutex_unlock(&bufmgr_fake->lock); - - return 0; -} - -/** - * Return an error if the list of BOs will exceed the aperture size. - * - * This is a rough guess and likely to fail, as during the validate sequence we - * may place a buffer in an inopportune spot early on and then fail to fit - * a set smaller than the aperture. - */ -static int -drm_intel_fake_check_aperture_space(drm_intel_bo ** bo_array, int count) -{ - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo_array[0]->bufmgr; - unsigned int sz = 0; - int i; - - for (i = 0; i < count; i++) { - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) bo_array[i]; - - if (bo_fake == NULL) - continue; - - if (!bo_fake->is_static) - sz += ALIGN(bo_array[i]->size, bo_fake->alignment); - sz += bo_fake->child_size; - } - - if (sz > bufmgr_fake->size) { - DBG("check_space: overflowed bufmgr size, %dkb vs %dkb\n", - sz / 1024, bufmgr_fake->size / 1024); - return -1; - } - - DBG("drm_check_space: sz %dkb vs bufgr %dkb\n", sz / 1024, - bufmgr_fake->size / 1024); - return 0; -} - -/** - * Evicts all buffers, waiting for fences to pass and copying contents out - * as necessary. - * - * Used by the X Server on LeaveVT, when the card memory is no longer our - * own. - */ -void drm_intel_bufmgr_fake_evict_all(drm_intel_bufmgr *bufmgr) -{ - drm_intel_bufmgr_fake *bufmgr_fake = (drm_intel_bufmgr_fake *) bufmgr; - struct block *block, *tmp; - - pthread_mutex_lock(&bufmgr_fake->lock); - - bufmgr_fake->need_fence = 1; - bufmgr_fake->fail = 0; - - /* Wait for hardware idle. We don't know where acceleration has been - * happening, so we'll need to wait anyway before letting anything get - * put on the card again. - */ - drm_intel_bufmgr_fake_wait_idle(bufmgr_fake); - - /* Check that we hadn't released the lock without having fenced the last - * set of buffers. - */ - assert(DRMLISTEMPTY(&bufmgr_fake->fenced)); - assert(DRMLISTEMPTY(&bufmgr_fake->on_hardware)); - - DRMLISTFOREACHSAFE(block, tmp, &bufmgr_fake->lru) { - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) block->bo; - /* Releases the memory, and memcpys dirty contents out if - * necessary. - */ - free_block(bufmgr_fake, block, 0); - bo_fake->block = NULL; - } - - pthread_mutex_unlock(&bufmgr_fake->lock); -} - -void drm_intel_bufmgr_fake_set_last_dispatch(drm_intel_bufmgr *bufmgr, - volatile unsigned int - *last_dispatch) -{ - drm_intel_bufmgr_fake *bufmgr_fake = (drm_intel_bufmgr_fake *) bufmgr; - - bufmgr_fake->last_dispatch = (volatile int *)last_dispatch; -} - -drm_intel_bufmgr *drm_intel_bufmgr_fake_init(int fd, - unsigned long low_offset, - void *low_virtual, - unsigned long size, - volatile unsigned int - *last_dispatch) -{ - drm_intel_bufmgr_fake *bufmgr_fake; - - bufmgr_fake = calloc(1, sizeof(*bufmgr_fake)); - - if (pthread_mutex_init(&bufmgr_fake->lock, NULL) != 0) { - free(bufmgr_fake); - return NULL; - } - - /* Initialize allocator */ - DRMINITLISTHEAD(&bufmgr_fake->fenced); - DRMINITLISTHEAD(&bufmgr_fake->on_hardware); - DRMINITLISTHEAD(&bufmgr_fake->lru); - - bufmgr_fake->low_offset = low_offset; - bufmgr_fake->virtual = low_virtual; - bufmgr_fake->size = size; - bufmgr_fake->heap = mmInit(low_offset, size); - - /* Hook in methods */ - bufmgr_fake->bufmgr.bo_alloc = drm_intel_fake_bo_alloc; - bufmgr_fake->bufmgr.bo_alloc_for_render = drm_intel_fake_bo_alloc; - bufmgr_fake->bufmgr.bo_alloc_tiled = drm_intel_fake_bo_alloc_tiled; - bufmgr_fake->bufmgr.bo_reference = drm_intel_fake_bo_reference; - bufmgr_fake->bufmgr.bo_unreference = drm_intel_fake_bo_unreference; - bufmgr_fake->bufmgr.bo_map = drm_intel_fake_bo_map; - bufmgr_fake->bufmgr.bo_unmap = drm_intel_fake_bo_unmap; - bufmgr_fake->bufmgr.bo_wait_rendering = - drm_intel_fake_bo_wait_rendering; - bufmgr_fake->bufmgr.bo_emit_reloc = drm_intel_fake_emit_reloc; - bufmgr_fake->bufmgr.destroy = drm_intel_fake_destroy; - bufmgr_fake->bufmgr.bo_exec = drm_intel_fake_bo_exec; - bufmgr_fake->bufmgr.check_aperture_space = - drm_intel_fake_check_aperture_space; - bufmgr_fake->bufmgr.debug = 0; - - bufmgr_fake->fd = fd; - bufmgr_fake->last_dispatch = (volatile int *)last_dispatch; - - return &bufmgr_fake->bufmgr; -} diff --git a/libdrm/intel/intel_bufmgr_gem.c b/libdrm/intel/intel_bufmgr_gem.c deleted file mode 100644 index 87795f33..00000000 --- a/libdrm/intel/intel_bufmgr_gem.c +++ /dev/null @@ -1,1722 +0,0 @@ -/************************************************************************** - * - * Copyright © 2007 Red Hat Inc. - * Copyright © 2007 Intel Corporation - * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL - * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, - * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR - * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE - * USE OR OTHER DEALINGS IN THE SOFTWARE. - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * - **************************************************************************/ -/* - * Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com> - * Keith Whitwell <keithw-at-tungstengraphics-dot-com> - * Eric Anholt <eric@anholt.net> - * Dave Airlie <airlied@linux.ie> - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <xf86drm.h> -#include <fcntl.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <assert.h> -#include <pthread.h> -#include <sys/ioctl.h> -#include <sys/mman.h> -#include <sys/stat.h> -#include <sys/types.h> - -#include "errno.h" -#include "libdrm_lists.h" -#include "intel_atomic.h" -#include "intel_bufmgr.h" -#include "intel_bufmgr_priv.h" -#include "intel_chipset.h" -#include "string.h" - -#include "i915_drm.h" - -#define DBG(...) do { \ - if (bufmgr_gem->bufmgr.debug) \ - fprintf(stderr, __VA_ARGS__); \ -} while (0) - -typedef struct _drm_intel_bo_gem drm_intel_bo_gem; - -struct drm_intel_gem_bo_bucket { - drmMMListHead head; - unsigned long size; -}; - -/* Only cache objects up to 64MB. Bigger than that, and the rounding of the - * size makes many operations fail that wouldn't otherwise. - */ -#define DRM_INTEL_GEM_BO_BUCKETS 14 -typedef struct _drm_intel_bufmgr_gem { - drm_intel_bufmgr bufmgr; - - int fd; - - int max_relocs; - - pthread_mutex_t lock; - - struct drm_i915_gem_exec_object *exec_objects; - drm_intel_bo **exec_bos; - int exec_size; - int exec_count; - - /** Array of lists of cached gem objects of power-of-two sizes */ - struct drm_intel_gem_bo_bucket cache_bucket[DRM_INTEL_GEM_BO_BUCKETS]; - - uint64_t gtt_size; - int available_fences; - int pci_device; - char bo_reuse; -} drm_intel_bufmgr_gem; - -struct _drm_intel_bo_gem { - drm_intel_bo bo; - - atomic_t refcount; - uint32_t gem_handle; - const char *name; - - /** - * Kenel-assigned global name for this object - */ - unsigned int global_name; - - /** - * Index of the buffer within the validation list while preparing a - * batchbuffer execution. - */ - int validate_index; - - /** - * Current tiling mode - */ - uint32_t tiling_mode; - uint32_t swizzle_mode; - - time_t free_time; - - /** Array passed to the DRM containing relocation information. */ - struct drm_i915_gem_relocation_entry *relocs; - /** Array of bos corresponding to relocs[i].target_handle */ - drm_intel_bo **reloc_target_bo; - /** Number of entries in relocs */ - int reloc_count; - /** Mapped address for the buffer, saved across map/unmap cycles */ - void *mem_virtual; - /** GTT virtual address for the buffer, saved across map/unmap cycles */ - void *gtt_virtual; - - /** BO cache list */ - drmMMListHead head; - - /** - * Boolean of whether this BO and its children have been included in - * the current drm_intel_bufmgr_check_aperture_space() total. - */ - char included_in_check_aperture; - - /** - * Boolean of whether this buffer has been used as a relocation - * target and had its size accounted for, and thus can't have any - * further relocations added to it. - */ - char used_as_reloc_target; - - /** - * Boolean of whether this buffer can be re-used - */ - char reusable; - - /** - * Size in bytes of this buffer and its relocation descendents. - * - * Used to avoid costly tree walking in - * drm_intel_bufmgr_check_aperture in the common case. - */ - int reloc_tree_size; - - /** - * Number of potential fence registers required by this buffer and its - * relocations. - */ - int reloc_tree_fences; -}; - -static unsigned int -drm_intel_gem_estimate_batch_space(drm_intel_bo ** bo_array, int count); - -static unsigned int -drm_intel_gem_compute_batch_space(drm_intel_bo ** bo_array, int count); - -static int -drm_intel_gem_bo_get_tiling(drm_intel_bo *bo, uint32_t * tiling_mode, - uint32_t * swizzle_mode); - -static int -drm_intel_gem_bo_set_tiling(drm_intel_bo *bo, uint32_t * tiling_mode, - uint32_t stride); - -static void drm_intel_gem_bo_unreference_locked(drm_intel_bo *bo); -static void drm_intel_gem_bo_unreference_locked_timed(drm_intel_bo *bo, - time_t time); - -static void drm_intel_gem_bo_unreference(drm_intel_bo *bo); - -static void drm_intel_gem_bo_free(drm_intel_bo *bo); - -static unsigned long -drm_intel_gem_bo_tile_size(drm_intel_bufmgr_gem *bufmgr_gem, unsigned long size, - uint32_t *tiling_mode) -{ - unsigned long min_size, max_size; - unsigned long i; - - if (*tiling_mode == I915_TILING_NONE) - return size; - - /* 965+ just need multiples of page size for tiling */ - if (IS_I965G(bufmgr_gem)) - return ROUND_UP_TO(size, 4096); - - /* Older chips need powers of two, of at least 512k or 1M */ - if (IS_I9XX(bufmgr_gem)) { - min_size = 1024*1024; - max_size = 128*1024*1024; - } else { - min_size = 512*1024; - max_size = 64*1024*1024; - } - - if (size > max_size) { - *tiling_mode = I915_TILING_NONE; - return size; - } - - for (i = min_size; i < size; i <<= 1) - ; - - return i; -} - -/* - * Round a given pitch up to the minimum required for X tiling on a - * given chip. We use 512 as the minimum to allow for a later tiling - * change. - */ -static unsigned long -drm_intel_gem_bo_tile_pitch(drm_intel_bufmgr_gem *bufmgr_gem, - unsigned long pitch, uint32_t tiling_mode) -{ - unsigned long tile_width = 512; - unsigned long i; - - if (tiling_mode == I915_TILING_NONE) - return ROUND_UP_TO(pitch, tile_width); - - /* 965 is flexible */ - if (IS_I965G(bufmgr_gem)) - return ROUND_UP_TO(pitch, tile_width); - - /* Pre-965 needs power of two tile width */ - for (i = tile_width; i < pitch; i <<= 1) - ; - - return i; -} - -static struct drm_intel_gem_bo_bucket * -drm_intel_gem_bo_bucket_for_size(drm_intel_bufmgr_gem *bufmgr_gem, - unsigned long size) -{ - int i; - - for (i = 0; i < DRM_INTEL_GEM_BO_BUCKETS; i++) { - struct drm_intel_gem_bo_bucket *bucket = - &bufmgr_gem->cache_bucket[i]; - if (bucket->size >= size) { - return bucket; - } - } - - return NULL; -} - -static void -drm_intel_gem_dump_validation_list(drm_intel_bufmgr_gem *bufmgr_gem) -{ - int i, j; - - for (i = 0; i < bufmgr_gem->exec_count; i++) { - drm_intel_bo *bo = bufmgr_gem->exec_bos[i]; - drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo; - - if (bo_gem->relocs == NULL) { - DBG("%2d: %d (%s)\n", i, bo_gem->gem_handle, - bo_gem->name); - continue; - } - - for (j = 0; j < bo_gem->reloc_count; j++) { - drm_intel_bo *target_bo = bo_gem->reloc_target_bo[j]; - drm_intel_bo_gem *target_gem = - (drm_intel_bo_gem *) target_bo; - - DBG("%2d: %d (%s)@0x%08llx -> " - "%d (%s)@0x%08lx + 0x%08x\n", - i, - bo_gem->gem_handle, bo_gem->name, - (unsigned long long)bo_gem->relocs[j].offset, - target_gem->gem_handle, - target_gem->name, - target_bo->offset, - bo_gem->relocs[j].delta); - } - } -} - -static void -drm_intel_gem_bo_reference(drm_intel_bo *bo) -{ - drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo; - - assert(atomic_read(&bo_gem->refcount) > 0); - atomic_inc(&bo_gem->refcount); -} - -/** - * Adds the given buffer to the list of buffers to be validated (moved into the - * appropriate memory type) with the next batch submission. - * - * If a buffer is validated multiple times in a batch submission, it ends up - * with the intersection of the memory type flags and the union of the - * access flags. - */ -static void -drm_intel_add_validate_buffer(drm_intel_bo *bo) -{ - drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *) bo->bufmgr; - drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo; - int index; - - if (bo_gem->validate_index != -1) - return; - - /* Extend the array of validation entries as necessary. */ - if (bufmgr_gem->exec_count == bufmgr_gem->exec_size) { - int new_size = bufmgr_gem->exec_size * 2; - - if (new_size == 0) - new_size = 5; - - bufmgr_gem->exec_objects = - realloc(bufmgr_gem->exec_objects, - sizeof(*bufmgr_gem->exec_objects) * new_size); - bufmgr_gem->exec_bos = - realloc(bufmgr_gem->exec_bos, - sizeof(*bufmgr_gem->exec_bos) * new_size); - bufmgr_gem->exec_size = new_size; - } - - index = bufmgr_gem->exec_count; - bo_gem->validate_index = index; - /* Fill in array entry */ - bufmgr_gem->exec_objects[index].handle = bo_gem->gem_handle; - bufmgr_gem->exec_objects[index].relocation_count = bo_gem->reloc_count; - bufmgr_gem->exec_objects[index].relocs_ptr = (uintptr_t) bo_gem->relocs; - bufmgr_gem->exec_objects[index].alignment = 0; - bufmgr_gem->exec_objects[index].offset = 0; - bufmgr_gem->exec_bos[index] = bo; - drm_intel_gem_bo_reference(bo); - bufmgr_gem->exec_count++; -} - -#define RELOC_BUF_SIZE(x) ((I915_RELOC_HEADER + x * I915_RELOC0_STRIDE) * \ - sizeof(uint32_t)) - -static int -drm_intel_setup_reloc_list(drm_intel_bo *bo) -{ - drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo; - drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *) bo->bufmgr; - unsigned int max_relocs = bufmgr_gem->max_relocs; - - if (bo->size / 4 < max_relocs) - max_relocs = bo->size / 4; - - bo_gem->relocs = malloc(max_relocs * - sizeof(struct drm_i915_gem_relocation_entry)); - bo_gem->reloc_target_bo = malloc(max_relocs * sizeof(drm_intel_bo *)); - - return 0; -} - -static int -drm_intel_gem_bo_busy(drm_intel_bo *bo) -{ - drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *) bo->bufmgr; - drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo; - struct drm_i915_gem_busy busy; - int ret; - - memset(&busy, 0, sizeof(busy)); - busy.handle = bo_gem->gem_handle; - - ret = ioctl(bufmgr_gem->fd, DRM_IOCTL_I915_GEM_BUSY, &busy); - - return (ret == 0 && busy.busy); -} - -static int -drm_intel_gem_bo_madvise(drm_intel_bufmgr_gem *bufmgr_gem, - drm_intel_bo_gem *bo_gem, int state) -{ - struct drm_i915_gem_madvise madv; - - madv.handle = bo_gem->gem_handle; - madv.madv = state; - madv.retained = 1; - ioctl(bufmgr_gem->fd, DRM_IOCTL_I915_GEM_MADVISE, &madv); - - return madv.retained; -} - -/* drop the oldest entries that have been purged by the kernel */ -static void -drm_intel_gem_bo_cache_purge_bucket(drm_intel_bufmgr_gem *bufmgr_gem, - struct drm_intel_gem_bo_bucket *bucket) -{ - while (!DRMLISTEMPTY(&bucket->head)) { - drm_intel_bo_gem *bo_gem; - - bo_gem = DRMLISTENTRY(drm_intel_bo_gem, - bucket->head.next, head); - if (drm_intel_gem_bo_madvise - (bufmgr_gem, bo_gem, I915_MADV_DONTNEED)) - break; - - DRMLISTDEL(&bo_gem->head); - drm_intel_gem_bo_free(&bo_gem->bo); - } -} - -static drm_intel_bo * -drm_intel_gem_bo_alloc_internal(drm_intel_bufmgr *bufmgr, - const char *name, - unsigned long size, - unsigned long flags) -{ - drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *) bufmgr; - drm_intel_bo_gem *bo_gem; - unsigned int page_size = getpagesize(); - int ret; - struct drm_intel_gem_bo_bucket *bucket; - int alloc_from_cache; - unsigned long bo_size; - int for_render = 0; - - if (flags & BO_ALLOC_FOR_RENDER) - for_render = 1; - - /* Round the allocated size up to a power of two number of pages. */ - bucket = drm_intel_gem_bo_bucket_for_size(bufmgr_gem, size); - - /* If we don't have caching at this size, don't actually round the - * allocation up. - */ - if (bucket == NULL) { - bo_size = size; - if (bo_size < page_size) - bo_size = page_size; - } else { - bo_size = bucket->size; - } - - pthread_mutex_lock(&bufmgr_gem->lock); - /* Get a buffer out of the cache if available */ -retry: - alloc_from_cache = 0; - if (bucket != NULL && !DRMLISTEMPTY(&bucket->head)) { - if (for_render) { - /* Allocate new render-target BOs from the tail (MRU) - * of the list, as it will likely be hot in the GPU - * cache and in the aperture for us. - */ - bo_gem = DRMLISTENTRY(drm_intel_bo_gem, - bucket->head.prev, head); - DRMLISTDEL(&bo_gem->head); - alloc_from_cache = 1; - } else { - /* For non-render-target BOs (where we're probably - * going to map it first thing in order to fill it - * with data), check if the last BO in the cache is - * unbusy, and only reuse in that case. Otherwise, - * allocating a new buffer is probably faster than - * waiting for the GPU to finish. - */ - bo_gem = DRMLISTENTRY(drm_intel_bo_gem, - bucket->head.next, head); - if (!drm_intel_gem_bo_busy(&bo_gem->bo)) { - alloc_from_cache = 1; - DRMLISTDEL(&bo_gem->head); - } - } - - if (alloc_from_cache) { - if (!drm_intel_gem_bo_madvise - (bufmgr_gem, bo_gem, I915_MADV_WILLNEED)) { - drm_intel_gem_bo_free(&bo_gem->bo); - drm_intel_gem_bo_cache_purge_bucket(bufmgr_gem, - bucket); - goto retry; - } - } - } - pthread_mutex_unlock(&bufmgr_gem->lock); - - if (!alloc_from_cache) { - struct drm_i915_gem_create create; - - bo_gem = calloc(1, sizeof(*bo_gem)); - if (!bo_gem) - return NULL; - - bo_gem->bo.size = bo_size; - memset(&create, 0, sizeof(create)); - create.size = bo_size; - - ret = ioctl(bufmgr_gem->fd, DRM_IOCTL_I915_GEM_CREATE, &create); - bo_gem->gem_handle = create.handle; - bo_gem->bo.handle = bo_gem->gem_handle; - if (ret != 0) { - free(bo_gem); - return NULL; - } - bo_gem->bo.bufmgr = bufmgr; - } - - bo_gem->name = name; - atomic_set(&bo_gem->refcount, 1); - bo_gem->validate_index = -1; - bo_gem->reloc_tree_size = bo_gem->bo.size; - bo_gem->reloc_tree_fences = 0; - bo_gem->used_as_reloc_target = 0; - bo_gem->tiling_mode = I915_TILING_NONE; - bo_gem->swizzle_mode = I915_BIT_6_SWIZZLE_NONE; - bo_gem->reusable = 1; - - DBG("bo_create: buf %d (%s) %ldb\n", - bo_gem->gem_handle, bo_gem->name, size); - - return &bo_gem->bo; -} - -static drm_intel_bo * -drm_intel_gem_bo_alloc_for_render(drm_intel_bufmgr *bufmgr, - const char *name, - unsigned long size, - unsigned int alignment) -{ - return drm_intel_gem_bo_alloc_internal(bufmgr, name, size, - BO_ALLOC_FOR_RENDER); -} - -static drm_intel_bo * -drm_intel_gem_bo_alloc(drm_intel_bufmgr *bufmgr, - const char *name, - unsigned long size, - unsigned int alignment) -{ - return drm_intel_gem_bo_alloc_internal(bufmgr, name, size, 0); -} - -static drm_intel_bo * -drm_intel_gem_bo_alloc_tiled(drm_intel_bufmgr *bufmgr, const char *name, - int x, int y, int cpp, uint32_t *tiling_mode, - unsigned long *pitch, unsigned long flags) -{ - drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *)bufmgr; - drm_intel_bo *bo; - unsigned long size, stride, aligned_y = y; - int ret; - - if (*tiling_mode == I915_TILING_NONE) - aligned_y = ALIGN(y, 2); - else if (*tiling_mode == I915_TILING_X) - aligned_y = ALIGN(y, 8); - else if (*tiling_mode == I915_TILING_Y) - aligned_y = ALIGN(y, 32); - - stride = x * cpp; - stride = drm_intel_gem_bo_tile_pitch(bufmgr_gem, stride, *tiling_mode); - size = stride * aligned_y; - size = drm_intel_gem_bo_tile_size(bufmgr_gem, size, tiling_mode); - - bo = drm_intel_gem_bo_alloc_internal(bufmgr, name, size, flags); - if (!bo) - return NULL; - - ret = drm_intel_gem_bo_set_tiling(bo, tiling_mode, stride); - if (ret != 0) { - drm_intel_gem_bo_unreference(bo); - return NULL; - } - - *pitch = stride; - - return bo; -} - -/** - * Returns a drm_intel_bo wrapping the given buffer object handle. - * - * This can be used when one application needs to pass a buffer object - * to another. - */ -drm_intel_bo * -drm_intel_bo_gem_create_from_name(drm_intel_bufmgr *bufmgr, - const char *name, - unsigned int handle) -{ - drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *) bufmgr; - drm_intel_bo_gem *bo_gem; - int ret; - struct drm_gem_open open_arg; - struct drm_i915_gem_get_tiling get_tiling; - - bo_gem = calloc(1, sizeof(*bo_gem)); - if (!bo_gem) - return NULL; - - memset(&open_arg, 0, sizeof(open_arg)); - open_arg.name = handle; - ret = ioctl(bufmgr_gem->fd, DRM_IOCTL_GEM_OPEN, &open_arg); - if (ret != 0) { - fprintf(stderr, "Couldn't reference %s handle 0x%08x: %s\n", - name, handle, strerror(errno)); - free(bo_gem); - return NULL; - } - bo_gem->bo.size = open_arg.size; - bo_gem->bo.offset = 0; - bo_gem->bo.virtual = NULL; - bo_gem->bo.bufmgr = bufmgr; - bo_gem->name = name; - atomic_set(&bo_gem->refcount, 1); - bo_gem->validate_index = -1; - bo_gem->gem_handle = open_arg.handle; - bo_gem->global_name = handle; - bo_gem->reusable = 0; - - memset(&get_tiling, 0, sizeof(get_tiling)); - get_tiling.handle = bo_gem->gem_handle; - ret = ioctl(bufmgr_gem->fd, DRM_IOCTL_I915_GEM_GET_TILING, &get_tiling); - if (ret != 0) { - drm_intel_gem_bo_unreference(&bo_gem->bo); - return NULL; - } - bo_gem->tiling_mode = get_tiling.tiling_mode; - bo_gem->swizzle_mode = get_tiling.swizzle_mode; - if (bo_gem->tiling_mode == I915_TILING_NONE) - bo_gem->reloc_tree_fences = 0; - else - bo_gem->reloc_tree_fences = 1; - - DBG("bo_create_from_handle: %d (%s)\n", handle, bo_gem->name); - - return &bo_gem->bo; -} - -static void -drm_intel_gem_bo_free(drm_intel_bo *bo) -{ - drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *) bo->bufmgr; - drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo; - struct drm_gem_close close; - int ret; - - if (bo_gem->mem_virtual) - munmap(bo_gem->mem_virtual, bo_gem->bo.size); - if (bo_gem->gtt_virtual) - munmap(bo_gem->gtt_virtual, bo_gem->bo.size); - - free(bo_gem->reloc_target_bo); - free(bo_gem->relocs); - - /* Close this object */ - memset(&close, 0, sizeof(close)); - close.handle = bo_gem->gem_handle; - ret = ioctl(bufmgr_gem->fd, DRM_IOCTL_GEM_CLOSE, &close); - if (ret != 0) { - fprintf(stderr, - "DRM_IOCTL_GEM_CLOSE %d failed (%s): %s\n", - bo_gem->gem_handle, bo_gem->name, strerror(errno)); - } - free(bo); -} - -/** Frees all cached buffers significantly older than @time. */ -static void -drm_intel_gem_cleanup_bo_cache(drm_intel_bufmgr_gem *bufmgr_gem, time_t time) -{ - int i; - - for (i = 0; i < DRM_INTEL_GEM_BO_BUCKETS; i++) { - struct drm_intel_gem_bo_bucket *bucket = - &bufmgr_gem->cache_bucket[i]; - - while (!DRMLISTEMPTY(&bucket->head)) { - drm_intel_bo_gem *bo_gem; - - bo_gem = DRMLISTENTRY(drm_intel_bo_gem, - bucket->head.next, head); - if (time - bo_gem->free_time <= 1) - break; - - DRMLISTDEL(&bo_gem->head); - - drm_intel_gem_bo_free(&bo_gem->bo); - } - } -} - -static void -drm_intel_gem_bo_unreference_final(drm_intel_bo *bo, time_t time) -{ - drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *) bo->bufmgr; - drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo; - struct drm_intel_gem_bo_bucket *bucket; - uint32_t tiling_mode; - int i; - - /* Unreference all the target buffers */ - for (i = 0; i < bo_gem->reloc_count; i++) { - drm_intel_gem_bo_unreference_locked_timed(bo_gem-> - reloc_target_bo[i], - time); - } - - DBG("bo_unreference final: %d (%s)\n", - bo_gem->gem_handle, bo_gem->name); - - bucket = drm_intel_gem_bo_bucket_for_size(bufmgr_gem, bo->size); - /* Put the buffer into our internal cache for reuse if we can. */ - tiling_mode = I915_TILING_NONE; - if (bufmgr_gem->bo_reuse && bo_gem->reusable && bucket != NULL && - drm_intel_gem_bo_set_tiling(bo, &tiling_mode, 0) == 0) { - bo_gem->free_time = time; - - bo_gem->name = NULL; - bo_gem->validate_index = -1; - bo_gem->reloc_count = 0; - - DRMLISTADDTAIL(&bo_gem->head, &bucket->head); - - drm_intel_gem_bo_madvise(bufmgr_gem, bo_gem, - I915_MADV_DONTNEED); - drm_intel_gem_cleanup_bo_cache(bufmgr_gem, time); - } else { - drm_intel_gem_bo_free(bo); - } -} - -static void drm_intel_gem_bo_unreference_locked(drm_intel_bo *bo) -{ - drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo; - - assert(atomic_read(&bo_gem->refcount) > 0); - if (atomic_dec_and_test(&bo_gem->refcount)) { - struct timespec time; - - clock_gettime(CLOCK_MONOTONIC, &time); - drm_intel_gem_bo_unreference_final(bo, time.tv_sec); - } -} - -static void drm_intel_gem_bo_unreference_locked_timed(drm_intel_bo *bo, - time_t time) -{ - drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo; - - assert(atomic_read(&bo_gem->refcount) > 0); - if (atomic_dec_and_test(&bo_gem->refcount)) - drm_intel_gem_bo_unreference_final(bo, time); -} - -static void drm_intel_gem_bo_unreference(drm_intel_bo *bo) -{ - drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo; - - assert(atomic_read(&bo_gem->refcount) > 0); - if (atomic_dec_and_test(&bo_gem->refcount)) { - drm_intel_bufmgr_gem *bufmgr_gem = - (drm_intel_bufmgr_gem *) bo->bufmgr; - struct timespec time; - - clock_gettime(CLOCK_MONOTONIC, &time); - - pthread_mutex_lock(&bufmgr_gem->lock); - drm_intel_gem_bo_unreference_final(bo, time.tv_sec); - pthread_mutex_unlock(&bufmgr_gem->lock); - } -} - -static int drm_intel_gem_bo_map(drm_intel_bo *bo, int write_enable) -{ - drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *) bo->bufmgr; - drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo; - struct drm_i915_gem_set_domain set_domain; - int ret; - - pthread_mutex_lock(&bufmgr_gem->lock); - - /* Allow recursive mapping. Mesa may recursively map buffers with - * nested display loops. - */ - if (!bo_gem->mem_virtual) { - struct drm_i915_gem_mmap mmap_arg; - - DBG("bo_map: %d (%s)\n", bo_gem->gem_handle, bo_gem->name); - - memset(&mmap_arg, 0, sizeof(mmap_arg)); - mmap_arg.handle = bo_gem->gem_handle; - mmap_arg.offset = 0; - mmap_arg.size = bo->size; - ret = ioctl(bufmgr_gem->fd, DRM_IOCTL_I915_GEM_MMAP, &mmap_arg); - if (ret != 0) { - fprintf(stderr, - "%s:%d: Error mapping buffer %d (%s): %s .\n", - __FILE__, __LINE__, bo_gem->gem_handle, - bo_gem->name, strerror(errno)); - pthread_mutex_unlock(&bufmgr_gem->lock); - return ret; - } - bo_gem->mem_virtual = (void *)(uintptr_t) mmap_arg.addr_ptr; - } - DBG("bo_map: %d (%s) -> %p\n", bo_gem->gem_handle, bo_gem->name, - bo_gem->mem_virtual); - bo->virtual = bo_gem->mem_virtual; - - set_domain.handle = bo_gem->gem_handle; - set_domain.read_domains = I915_GEM_DOMAIN_CPU; - if (write_enable) - set_domain.write_domain = I915_GEM_DOMAIN_CPU; - else - set_domain.write_domain = 0; - do { - ret = ioctl(bufmgr_gem->fd, DRM_IOCTL_I915_GEM_SET_DOMAIN, - &set_domain); - } while (ret == -1 && errno == EINTR); - if (ret != 0) { - fprintf(stderr, "%s:%d: Error setting to CPU domain %d: %s\n", - __FILE__, __LINE__, bo_gem->gem_handle, - strerror(errno)); - pthread_mutex_unlock(&bufmgr_gem->lock); - return ret; - } - - pthread_mutex_unlock(&bufmgr_gem->lock); - - return 0; -} - -int drm_intel_gem_bo_map_gtt(drm_intel_bo *bo) -{ - drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *) bo->bufmgr; - drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo; - struct drm_i915_gem_set_domain set_domain; - int ret; - - pthread_mutex_lock(&bufmgr_gem->lock); - - /* Get a mapping of the buffer if we haven't before. */ - if (bo_gem->gtt_virtual == NULL) { - struct drm_i915_gem_mmap_gtt mmap_arg; - - DBG("bo_map_gtt: mmap %d (%s)\n", bo_gem->gem_handle, - bo_gem->name); - - memset(&mmap_arg, 0, sizeof(mmap_arg)); - mmap_arg.handle = bo_gem->gem_handle; - - /* Get the fake offset back... */ - ret = ioctl(bufmgr_gem->fd, DRM_IOCTL_I915_GEM_MMAP_GTT, - &mmap_arg); - if (ret != 0) { - fprintf(stderr, - "%s:%d: Error preparing buffer map %d (%s): %s .\n", - __FILE__, __LINE__, - bo_gem->gem_handle, bo_gem->name, - strerror(errno)); - pthread_mutex_unlock(&bufmgr_gem->lock); - return ret; - } - - /* and mmap it */ - bo_gem->gtt_virtual = mmap(0, bo->size, PROT_READ | PROT_WRITE, - MAP_SHARED, bufmgr_gem->fd, - mmap_arg.offset); - if (bo_gem->gtt_virtual == MAP_FAILED) { - fprintf(stderr, - "%s:%d: Error mapping buffer %d (%s): %s .\n", - __FILE__, __LINE__, - bo_gem->gem_handle, bo_gem->name, - strerror(errno)); - pthread_mutex_unlock(&bufmgr_gem->lock); - return errno; - } - } - - bo->virtual = bo_gem->gtt_virtual; - - DBG("bo_map_gtt: %d (%s) -> %p\n", bo_gem->gem_handle, bo_gem->name, - bo_gem->gtt_virtual); - - /* Now move it to the GTT domain so that the CPU caches are flushed */ - set_domain.handle = bo_gem->gem_handle; - set_domain.read_domains = I915_GEM_DOMAIN_GTT; - set_domain.write_domain = I915_GEM_DOMAIN_GTT; - do { - ret = ioctl(bufmgr_gem->fd, DRM_IOCTL_I915_GEM_SET_DOMAIN, - &set_domain); - } while (ret == -1 && errno == EINTR); - - if (ret != 0) { - fprintf(stderr, "%s:%d: Error setting domain %d: %s\n", - __FILE__, __LINE__, bo_gem->gem_handle, - strerror(errno)); - } - - pthread_mutex_unlock(&bufmgr_gem->lock); - - return 0; -} - -int drm_intel_gem_bo_unmap_gtt(drm_intel_bo *bo) -{ - drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *) bo->bufmgr; - drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo; - int ret = 0; - - if (bo == NULL) - return 0; - - assert(bo_gem->gtt_virtual != NULL); - - pthread_mutex_lock(&bufmgr_gem->lock); - bo->virtual = NULL; - pthread_mutex_unlock(&bufmgr_gem->lock); - - return ret; -} - -static int drm_intel_gem_bo_unmap(drm_intel_bo *bo) -{ - drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *) bo->bufmgr; - drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo; - struct drm_i915_gem_sw_finish sw_finish; - int ret; - - if (bo == NULL) - return 0; - - assert(bo_gem->mem_virtual != NULL); - - pthread_mutex_lock(&bufmgr_gem->lock); - - /* Cause a flush to happen if the buffer's pinned for scanout, so the - * results show up in a timely manner. - */ - sw_finish.handle = bo_gem->gem_handle; - do { - ret = ioctl(bufmgr_gem->fd, DRM_IOCTL_I915_GEM_SW_FINISH, - &sw_finish); - } while (ret == -1 && errno == EINTR); - - bo->virtual = NULL; - pthread_mutex_unlock(&bufmgr_gem->lock); - return 0; -} - -static int -drm_intel_gem_bo_subdata(drm_intel_bo *bo, unsigned long offset, - unsigned long size, const void *data) -{ - drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *) bo->bufmgr; - drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo; - struct drm_i915_gem_pwrite pwrite; - int ret; - - memset(&pwrite, 0, sizeof(pwrite)); - pwrite.handle = bo_gem->gem_handle; - pwrite.offset = offset; - pwrite.size = size; - pwrite.data_ptr = (uint64_t) (uintptr_t) data; - do { - ret = ioctl(bufmgr_gem->fd, DRM_IOCTL_I915_GEM_PWRITE, &pwrite); - } while (ret == -1 && errno == EINTR); - if (ret != 0) { - fprintf(stderr, - "%s:%d: Error writing data to buffer %d: (%d %d) %s .\n", - __FILE__, __LINE__, bo_gem->gem_handle, (int)offset, - (int)size, strerror(errno)); - } - return 0; -} - -static int -drm_intel_gem_get_pipe_from_crtc_id(drm_intel_bufmgr *bufmgr, int crtc_id) -{ - drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *) bufmgr; - struct drm_i915_get_pipe_from_crtc_id get_pipe_from_crtc_id; - int ret; - - get_pipe_from_crtc_id.crtc_id = crtc_id; - ret = ioctl(bufmgr_gem->fd, DRM_IOCTL_I915_GET_PIPE_FROM_CRTC_ID, - &get_pipe_from_crtc_id); - if (ret != 0) { - /* We return -1 here to signal that we don't - * know which pipe is associated with this crtc. - * This lets the caller know that this information - * isn't available; using the wrong pipe for - * vblank waiting can cause the chipset to lock up - */ - return -1; - } - - return get_pipe_from_crtc_id.pipe; -} - -static int -drm_intel_gem_bo_get_subdata(drm_intel_bo *bo, unsigned long offset, - unsigned long size, void *data) -{ - drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *) bo->bufmgr; - drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo; - struct drm_i915_gem_pread pread; - int ret; - - memset(&pread, 0, sizeof(pread)); - pread.handle = bo_gem->gem_handle; - pread.offset = offset; - pread.size = size; - pread.data_ptr = (uint64_t) (uintptr_t) data; - do { - ret = ioctl(bufmgr_gem->fd, DRM_IOCTL_I915_GEM_PREAD, &pread); - } while (ret == -1 && errno == EINTR); - if (ret != 0) { - fprintf(stderr, - "%s:%d: Error reading data from buffer %d: (%d %d) %s .\n", - __FILE__, __LINE__, bo_gem->gem_handle, (int)offset, - (int)size, strerror(errno)); - } - return 0; -} - -/** Waits for all GPU rendering to the object to have completed. */ -static void -drm_intel_gem_bo_wait_rendering(drm_intel_bo *bo) -{ - drm_intel_gem_bo_start_gtt_access(bo, 0); -} - -/** - * Sets the object to the GTT read and possibly write domain, used by the X - * 2D driver in the absence of kernel support to do drm_intel_gem_bo_map_gtt(). - * - * In combination with drm_intel_gem_bo_pin() and manual fence management, we - * can do tiled pixmaps this way. - */ -void -drm_intel_gem_bo_start_gtt_access(drm_intel_bo *bo, int write_enable) -{ - drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *) bo->bufmgr; - drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo; - struct drm_i915_gem_set_domain set_domain; - int ret; - - set_domain.handle = bo_gem->gem_handle; - set_domain.read_domains = I915_GEM_DOMAIN_GTT; - set_domain.write_domain = write_enable ? I915_GEM_DOMAIN_GTT : 0; - do { - ret = ioctl(bufmgr_gem->fd, DRM_IOCTL_I915_GEM_SET_DOMAIN, - &set_domain); - } while (ret == -1 && errno == EINTR); - if (ret != 0) { - fprintf(stderr, - "%s:%d: Error setting memory domains %d (%08x %08x): %s .\n", - __FILE__, __LINE__, bo_gem->gem_handle, - set_domain.read_domains, set_domain.write_domain, - strerror(errno)); - } -} - -static void -drm_intel_bufmgr_gem_destroy(drm_intel_bufmgr *bufmgr) -{ - drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *) bufmgr; - int i; - - free(bufmgr_gem->exec_objects); - free(bufmgr_gem->exec_bos); - - pthread_mutex_destroy(&bufmgr_gem->lock); - - /* Free any cached buffer objects we were going to reuse */ - for (i = 0; i < DRM_INTEL_GEM_BO_BUCKETS; i++) { - struct drm_intel_gem_bo_bucket *bucket = - &bufmgr_gem->cache_bucket[i]; - drm_intel_bo_gem *bo_gem; - - while (!DRMLISTEMPTY(&bucket->head)) { - bo_gem = DRMLISTENTRY(drm_intel_bo_gem, - bucket->head.next, head); - DRMLISTDEL(&bo_gem->head); - - drm_intel_gem_bo_free(&bo_gem->bo); - } - } - - free(bufmgr); -} - -/** - * Adds the target buffer to the validation list and adds the relocation - * to the reloc_buffer's relocation list. - * - * The relocation entry at the given offset must already contain the - * precomputed relocation value, because the kernel will optimize out - * the relocation entry write when the buffer hasn't moved from the - * last known offset in target_bo. - */ -static int -drm_intel_gem_bo_emit_reloc(drm_intel_bo *bo, uint32_t offset, - drm_intel_bo *target_bo, uint32_t target_offset, - uint32_t read_domains, uint32_t write_domain) -{ - drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *) bo->bufmgr; - drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo; - drm_intel_bo_gem *target_bo_gem = (drm_intel_bo_gem *) target_bo; - - pthread_mutex_lock(&bufmgr_gem->lock); - - /* Create a new relocation list if needed */ - if (bo_gem->relocs == NULL) - drm_intel_setup_reloc_list(bo); - - /* Check overflow */ - assert(bo_gem->reloc_count < bufmgr_gem->max_relocs); - - /* Check args */ - assert(offset <= bo->size - 4); - assert((write_domain & (write_domain - 1)) == 0); - - /* Make sure that we're not adding a reloc to something whose size has - * already been accounted for. - */ - assert(!bo_gem->used_as_reloc_target); - bo_gem->reloc_tree_size += target_bo_gem->reloc_tree_size; - bo_gem->reloc_tree_fences += target_bo_gem->reloc_tree_fences; - - /* Flag the target to disallow further relocations in it. */ - target_bo_gem->used_as_reloc_target = 1; - - bo_gem->relocs[bo_gem->reloc_count].offset = offset; - bo_gem->relocs[bo_gem->reloc_count].delta = target_offset; - bo_gem->relocs[bo_gem->reloc_count].target_handle = - target_bo_gem->gem_handle; - bo_gem->relocs[bo_gem->reloc_count].read_domains = read_domains; - bo_gem->relocs[bo_gem->reloc_count].write_domain = write_domain; - bo_gem->relocs[bo_gem->reloc_count].presumed_offset = target_bo->offset; - - bo_gem->reloc_target_bo[bo_gem->reloc_count] = target_bo; - drm_intel_gem_bo_reference(target_bo); - - bo_gem->reloc_count++; - - pthread_mutex_unlock(&bufmgr_gem->lock); - - return 0; -} - -/** - * Walk the tree of relocations rooted at BO and accumulate the list of - * validations to be performed and update the relocation buffers with - * index values into the validation list. - */ -static void -drm_intel_gem_bo_process_reloc(drm_intel_bo *bo) -{ - drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo; - int i; - - if (bo_gem->relocs == NULL) - return; - - for (i = 0; i < bo_gem->reloc_count; i++) { - drm_intel_bo *target_bo = bo_gem->reloc_target_bo[i]; - - /* Continue walking the tree depth-first. */ - drm_intel_gem_bo_process_reloc(target_bo); - - /* Add the target to the validate list */ - drm_intel_add_validate_buffer(target_bo); - } -} - -static void -drm_intel_update_buffer_offsets(drm_intel_bufmgr_gem *bufmgr_gem) -{ - int i; - - for (i = 0; i < bufmgr_gem->exec_count; i++) { - drm_intel_bo *bo = bufmgr_gem->exec_bos[i]; - drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo; - - /* Update the buffer offset */ - if (bufmgr_gem->exec_objects[i].offset != bo->offset) { - DBG("BO %d (%s) migrated: 0x%08lx -> 0x%08llx\n", - bo_gem->gem_handle, bo_gem->name, bo->offset, - (unsigned long long)bufmgr_gem->exec_objects[i]. - offset); - bo->offset = bufmgr_gem->exec_objects[i].offset; - } - } -} - -static int -drm_intel_gem_bo_exec(drm_intel_bo *bo, int used, - drm_clip_rect_t * cliprects, int num_cliprects, int DR4) -{ - drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *) bo->bufmgr; - struct drm_i915_gem_execbuffer execbuf; - int ret, i; - - pthread_mutex_lock(&bufmgr_gem->lock); - /* Update indices and set up the validate list. */ - drm_intel_gem_bo_process_reloc(bo); - - /* Add the batch buffer to the validation list. There are no - * relocations pointing to it. - */ - drm_intel_add_validate_buffer(bo); - - execbuf.buffers_ptr = (uintptr_t) bufmgr_gem->exec_objects; - execbuf.buffer_count = bufmgr_gem->exec_count; - execbuf.batch_start_offset = 0; - execbuf.batch_len = used; - execbuf.cliprects_ptr = (uintptr_t) cliprects; - execbuf.num_cliprects = num_cliprects; - execbuf.DR1 = 0; - execbuf.DR4 = DR4; - - do { - ret = ioctl(bufmgr_gem->fd, DRM_IOCTL_I915_GEM_EXECBUFFER, - &execbuf); - } while (ret != 0 && errno == EAGAIN); - - if (ret != 0 && errno == ENOMEM) { - fprintf(stderr, - "Execbuffer fails to pin. " - "Estimate: %u. Actual: %u. Available: %u\n", - drm_intel_gem_estimate_batch_space(bufmgr_gem->exec_bos, - bufmgr_gem-> - exec_count), - drm_intel_gem_compute_batch_space(bufmgr_gem->exec_bos, - bufmgr_gem-> - exec_count), - (unsigned int)bufmgr_gem->gtt_size); - } - drm_intel_update_buffer_offsets(bufmgr_gem); - - if (bufmgr_gem->bufmgr.debug) - drm_intel_gem_dump_validation_list(bufmgr_gem); - - for (i = 0; i < bufmgr_gem->exec_count; i++) { - drm_intel_bo *bo = bufmgr_gem->exec_bos[i]; - drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo; - - /* Disconnect the buffer from the validate list */ - bo_gem->validate_index = -1; - drm_intel_gem_bo_unreference_locked(bo); - bufmgr_gem->exec_bos[i] = NULL; - } - bufmgr_gem->exec_count = 0; - pthread_mutex_unlock(&bufmgr_gem->lock); - - return 0; -} - -static int -drm_intel_gem_bo_pin(drm_intel_bo *bo, uint32_t alignment) -{ - drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *) bo->bufmgr; - drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo; - struct drm_i915_gem_pin pin; - int ret; - - memset(&pin, 0, sizeof(pin)); - pin.handle = bo_gem->gem_handle; - pin.alignment = alignment; - - do { - ret = ioctl(bufmgr_gem->fd, DRM_IOCTL_I915_GEM_PIN, &pin); - } while (ret == -1 && errno == EINTR); - - if (ret != 0) - return -errno; - - bo->offset = pin.offset; - return 0; -} - -static int -drm_intel_gem_bo_unpin(drm_intel_bo *bo) -{ - drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *) bo->bufmgr; - drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo; - struct drm_i915_gem_unpin unpin; - int ret; - - memset(&unpin, 0, sizeof(unpin)); - unpin.handle = bo_gem->gem_handle; - - ret = ioctl(bufmgr_gem->fd, DRM_IOCTL_I915_GEM_UNPIN, &unpin); - if (ret != 0) - return -errno; - - return 0; -} - -static int -drm_intel_gem_bo_set_tiling(drm_intel_bo *bo, uint32_t * tiling_mode, - uint32_t stride) -{ - drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *) bo->bufmgr; - drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo; - struct drm_i915_gem_set_tiling set_tiling; - int ret; - - if (bo_gem->global_name == 0 && *tiling_mode == bo_gem->tiling_mode) - return 0; - - /* If we're going from non-tiling to tiling, bump fence count */ - if (bo_gem->tiling_mode == I915_TILING_NONE) - bo_gem->reloc_tree_fences++; - - memset(&set_tiling, 0, sizeof(set_tiling)); - set_tiling.handle = bo_gem->gem_handle; - set_tiling.tiling_mode = *tiling_mode; - set_tiling.stride = stride; - - ret = ioctl(bufmgr_gem->fd, DRM_IOCTL_I915_GEM_SET_TILING, &set_tiling); - if (ret != 0) { - *tiling_mode = bo_gem->tiling_mode; - return -errno; - } - bo_gem->tiling_mode = set_tiling.tiling_mode; - bo_gem->swizzle_mode = set_tiling.swizzle_mode; - - /* If we're going from tiling to non-tiling, drop fence count */ - if (bo_gem->tiling_mode == I915_TILING_NONE) - bo_gem->reloc_tree_fences--; - - *tiling_mode = bo_gem->tiling_mode; - return 0; -} - -static int -drm_intel_gem_bo_get_tiling(drm_intel_bo *bo, uint32_t * tiling_mode, - uint32_t * swizzle_mode) -{ - drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo; - - *tiling_mode = bo_gem->tiling_mode; - *swizzle_mode = bo_gem->swizzle_mode; - return 0; -} - -static int -drm_intel_gem_bo_flink(drm_intel_bo *bo, uint32_t * name) -{ - drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *) bo->bufmgr; - drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo; - struct drm_gem_flink flink; - int ret; - - if (!bo_gem->global_name) { - memset(&flink, 0, sizeof(flink)); - flink.handle = bo_gem->gem_handle; - - ret = ioctl(bufmgr_gem->fd, DRM_IOCTL_GEM_FLINK, &flink); - if (ret != 0) - return -errno; - bo_gem->global_name = flink.name; - bo_gem->reusable = 0; - } - - *name = bo_gem->global_name; - return 0; -} - -/** - * Enables unlimited caching of buffer objects for reuse. - * - * This is potentially very memory expensive, as the cache at each bucket - * size is only bounded by how many buffers of that size we've managed to have - * in flight at once. - */ -void -drm_intel_bufmgr_gem_enable_reuse(drm_intel_bufmgr *bufmgr) -{ - drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *) bufmgr; - - bufmgr_gem->bo_reuse = 1; -} - -/** - * Return the additional aperture space required by the tree of buffer objects - * rooted at bo. - */ -static int -drm_intel_gem_bo_get_aperture_space(drm_intel_bo *bo) -{ - drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo; - int i; - int total = 0; - - if (bo == NULL || bo_gem->included_in_check_aperture) - return 0; - - total += bo->size; - bo_gem->included_in_check_aperture = 1; - - for (i = 0; i < bo_gem->reloc_count; i++) - total += - drm_intel_gem_bo_get_aperture_space(bo_gem-> - reloc_target_bo[i]); - - return total; -} - -/** - * Count the number of buffers in this list that need a fence reg - * - * If the count is greater than the number of available regs, we'll have - * to ask the caller to resubmit a batch with fewer tiled buffers. - * - * This function over-counts if the same buffer is used multiple times. - */ -static unsigned int -drm_intel_gem_total_fences(drm_intel_bo ** bo_array, int count) -{ - int i; - unsigned int total = 0; - - for (i = 0; i < count; i++) { - drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo_array[i]; - - if (bo_gem == NULL) - continue; - - total += bo_gem->reloc_tree_fences; - } - return total; -} - -/** - * Clear the flag set by drm_intel_gem_bo_get_aperture_space() so we're ready - * for the next drm_intel_bufmgr_check_aperture_space() call. - */ -static void -drm_intel_gem_bo_clear_aperture_space_flag(drm_intel_bo *bo) -{ - drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo; - int i; - - if (bo == NULL || !bo_gem->included_in_check_aperture) - return; - - bo_gem->included_in_check_aperture = 0; - - for (i = 0; i < bo_gem->reloc_count; i++) - drm_intel_gem_bo_clear_aperture_space_flag(bo_gem-> - reloc_target_bo[i]); -} - -/** - * Return a conservative estimate for the amount of aperture required - * for a collection of buffers. This may double-count some buffers. - */ -static unsigned int -drm_intel_gem_estimate_batch_space(drm_intel_bo **bo_array, int count) -{ - int i; - unsigned int total = 0; - - for (i = 0; i < count; i++) { - drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo_array[i]; - if (bo_gem != NULL) - total += bo_gem->reloc_tree_size; - } - return total; -} - -/** - * Return the amount of aperture needed for a collection of buffers. - * This avoids double counting any buffers, at the cost of looking - * at every buffer in the set. - */ -static unsigned int -drm_intel_gem_compute_batch_space(drm_intel_bo **bo_array, int count) -{ - int i; - unsigned int total = 0; - - for (i = 0; i < count; i++) { - total += drm_intel_gem_bo_get_aperture_space(bo_array[i]); - /* For the first buffer object in the array, we get an - * accurate count back for its reloc_tree size (since nothing - * had been flagged as being counted yet). We can save that - * value out as a more conservative reloc_tree_size that - * avoids double-counting target buffers. Since the first - * buffer happens to usually be the batch buffer in our - * callers, this can pull us back from doing the tree - * walk on every new batch emit. - */ - if (i == 0) { - drm_intel_bo_gem *bo_gem = - (drm_intel_bo_gem *) bo_array[i]; - bo_gem->reloc_tree_size = total; - } - } - - for (i = 0; i < count; i++) - drm_intel_gem_bo_clear_aperture_space_flag(bo_array[i]); - return total; -} - -/** - * Return -1 if the batchbuffer should be flushed before attempting to - * emit rendering referencing the buffers pointed to by bo_array. - * - * This is required because if we try to emit a batchbuffer with relocations - * to a tree of buffers that won't simultaneously fit in the aperture, - * the rendering will return an error at a point where the software is not - * prepared to recover from it. - * - * However, we also want to emit the batchbuffer significantly before we reach - * the limit, as a series of batchbuffers each of which references buffers - * covering almost all of the aperture means that at each emit we end up - * waiting to evict a buffer from the last rendering, and we get synchronous - * performance. By emitting smaller batchbuffers, we eat some CPU overhead to - * get better parallelism. - */ -static int -drm_intel_gem_check_aperture_space(drm_intel_bo **bo_array, int count) -{ - drm_intel_bufmgr_gem *bufmgr_gem = - (drm_intel_bufmgr_gem *) bo_array[0]->bufmgr; - unsigned int total = 0; - unsigned int threshold = bufmgr_gem->gtt_size * 3 / 4; - int total_fences; - - /* Check for fence reg constraints if necessary */ - if (bufmgr_gem->available_fences) { - total_fences = drm_intel_gem_total_fences(bo_array, count); - if (total_fences > bufmgr_gem->available_fences) - return -1; - } - - total = drm_intel_gem_estimate_batch_space(bo_array, count); - - if (total > threshold) - total = drm_intel_gem_compute_batch_space(bo_array, count); - - if (total > threshold) { - DBG("check_space: overflowed available aperture, " - "%dkb vs %dkb\n", - total / 1024, (int)bufmgr_gem->gtt_size / 1024); - return -1; - } else { - DBG("drm_check_space: total %dkb vs bufgr %dkb\n", total / 1024, - (int)bufmgr_gem->gtt_size / 1024); - return 0; - } -} - -/* - * Disable buffer reuse for objects which are shared with the kernel - * as scanout buffers - */ -static int -drm_intel_gem_bo_disable_reuse(drm_intel_bo *bo) -{ - drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo; - - bo_gem->reusable = 0; - return 0; -} - -static int -_drm_intel_gem_bo_references(drm_intel_bo *bo, drm_intel_bo *target_bo) -{ - drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo; - int i; - - for (i = 0; i < bo_gem->reloc_count; i++) { - if (bo_gem->reloc_target_bo[i] == target_bo) - return 1; - if (_drm_intel_gem_bo_references(bo_gem->reloc_target_bo[i], - target_bo)) - return 1; - } - - return 0; -} - -/** Return true if target_bo is referenced by bo's relocation tree. */ -static int -drm_intel_gem_bo_references(drm_intel_bo *bo, drm_intel_bo *target_bo) -{ - drm_intel_bo_gem *target_bo_gem = (drm_intel_bo_gem *) target_bo; - - if (bo == NULL || target_bo == NULL) - return 0; - if (target_bo_gem->used_as_reloc_target) - return _drm_intel_gem_bo_references(bo, target_bo); - return 0; -} - -/** - * Initializes the GEM buffer manager, which uses the kernel to allocate, map, - * and manage map buffer objections. - * - * \param fd File descriptor of the opened DRM device. - */ -drm_intel_bufmgr * -drm_intel_bufmgr_gem_init(int fd, int batch_size) -{ - drm_intel_bufmgr_gem *bufmgr_gem; - struct drm_i915_gem_get_aperture aperture; - drm_i915_getparam_t gp; - int ret, i; - unsigned long size; - - bufmgr_gem = calloc(1, sizeof(*bufmgr_gem)); - bufmgr_gem->fd = fd; - - if (pthread_mutex_init(&bufmgr_gem->lock, NULL) != 0) { - free(bufmgr_gem); - return NULL; - } - - ret = ioctl(bufmgr_gem->fd, DRM_IOCTL_I915_GEM_GET_APERTURE, &aperture); - - if (ret == 0) - bufmgr_gem->gtt_size = aperture.aper_available_size; - else { - fprintf(stderr, "DRM_IOCTL_I915_GEM_APERTURE failed: %s\n", - strerror(errno)); - bufmgr_gem->gtt_size = 128 * 1024 * 1024; - fprintf(stderr, "Assuming %dkB available aperture size.\n" - "May lead to reduced performance or incorrect " - "rendering.\n", - (int)bufmgr_gem->gtt_size / 1024); - } - - gp.param = I915_PARAM_CHIPSET_ID; - gp.value = &bufmgr_gem->pci_device; - ret = ioctl(bufmgr_gem->fd, DRM_IOCTL_I915_GETPARAM, &gp); - if (ret) { - fprintf(stderr, "get chip id failed: %d [%d]\n", ret, errno); - fprintf(stderr, "param: %d, val: %d\n", gp.param, *gp.value); - } - - if (!IS_I965G(bufmgr_gem)) { - gp.param = I915_PARAM_NUM_FENCES_AVAIL; - gp.value = &bufmgr_gem->available_fences; - ret = ioctl(bufmgr_gem->fd, DRM_IOCTL_I915_GETPARAM, &gp); - if (ret) { - fprintf(stderr, "get fences failed: %d [%d]\n", ret, - errno); - fprintf(stderr, "param: %d, val: %d\n", gp.param, - *gp.value); - bufmgr_gem->available_fences = 0; - } - } - - /* Let's go with one relocation per every 2 dwords (but round down a bit - * since a power of two will mean an extra page allocation for the reloc - * buffer). - * - * Every 4 was too few for the blender benchmark. - */ - bufmgr_gem->max_relocs = batch_size / sizeof(uint32_t) / 2 - 2; - - bufmgr_gem->bufmgr.bo_alloc = drm_intel_gem_bo_alloc; - bufmgr_gem->bufmgr.bo_alloc_for_render = - drm_intel_gem_bo_alloc_for_render; - bufmgr_gem->bufmgr.bo_alloc_tiled = drm_intel_gem_bo_alloc_tiled; - bufmgr_gem->bufmgr.bo_reference = drm_intel_gem_bo_reference; - bufmgr_gem->bufmgr.bo_unreference = drm_intel_gem_bo_unreference; - bufmgr_gem->bufmgr.bo_map = drm_intel_gem_bo_map; - bufmgr_gem->bufmgr.bo_unmap = drm_intel_gem_bo_unmap; - bufmgr_gem->bufmgr.bo_subdata = drm_intel_gem_bo_subdata; - bufmgr_gem->bufmgr.bo_get_subdata = drm_intel_gem_bo_get_subdata; - bufmgr_gem->bufmgr.bo_wait_rendering = drm_intel_gem_bo_wait_rendering; - bufmgr_gem->bufmgr.bo_emit_reloc = drm_intel_gem_bo_emit_reloc; - bufmgr_gem->bufmgr.bo_pin = drm_intel_gem_bo_pin; - bufmgr_gem->bufmgr.bo_unpin = drm_intel_gem_bo_unpin; - bufmgr_gem->bufmgr.bo_get_tiling = drm_intel_gem_bo_get_tiling; - bufmgr_gem->bufmgr.bo_set_tiling = drm_intel_gem_bo_set_tiling; - bufmgr_gem->bufmgr.bo_flink = drm_intel_gem_bo_flink; - bufmgr_gem->bufmgr.bo_exec = drm_intel_gem_bo_exec; - bufmgr_gem->bufmgr.bo_busy = drm_intel_gem_bo_busy; - bufmgr_gem->bufmgr.destroy = drm_intel_bufmgr_gem_destroy; - bufmgr_gem->bufmgr.debug = 0; - bufmgr_gem->bufmgr.check_aperture_space = - drm_intel_gem_check_aperture_space; - bufmgr_gem->bufmgr.bo_disable_reuse = drm_intel_gem_bo_disable_reuse; - bufmgr_gem->bufmgr.get_pipe_from_crtc_id = - drm_intel_gem_get_pipe_from_crtc_id; - bufmgr_gem->bufmgr.bo_references = drm_intel_gem_bo_references; - - /* Initialize the linked lists for BO reuse cache. */ - for (i = 0, size = 4096; i < DRM_INTEL_GEM_BO_BUCKETS; i++, size *= 2) { - DRMINITLISTHEAD(&bufmgr_gem->cache_bucket[i].head); - bufmgr_gem->cache_bucket[i].size = size; - } - - return &bufmgr_gem->bufmgr; -} diff --git a/libdrm/intel/intel_bufmgr_priv.h b/libdrm/intel/intel_bufmgr_priv.h deleted file mode 100644 index 475c402f..00000000 --- a/libdrm/intel/intel_bufmgr_priv.h +++ /dev/null @@ -1,254 +0,0 @@ -/* - * Copyright © 2008 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - * - * Authors: - * Eric Anholt <eric@anholt.net> - * - */ - -/** - * @file intel_bufmgr_priv.h - * - * Private definitions of Intel-specific bufmgr functions and structures. - */ - -#ifndef INTEL_BUFMGR_PRIV_H -#define INTEL_BUFMGR_PRIV_H - -/** - * Context for a buffer manager instance. - * - * Contains public methods followed by private storage for the buffer manager. - */ -struct _drm_intel_bufmgr { - /** - * Allocate a buffer object. - * - * Buffer objects are not necessarily initially mapped into CPU virtual - * address space or graphics device aperture. They must be mapped - * using bo_map() or drm_intel_gem_bo_map_gtt() to be used by the CPU. - */ - drm_intel_bo *(*bo_alloc) (drm_intel_bufmgr *bufmgr, const char *name, - unsigned long size, unsigned int alignment); - - /** - * Allocate a buffer object, hinting that it will be used as a - * render target. - * - * This is otherwise the same as bo_alloc. - */ - drm_intel_bo *(*bo_alloc_for_render) (drm_intel_bufmgr *bufmgr, - const char *name, - unsigned long size, - unsigned int alignment); - - /** - * Allocate a tiled buffer object. - * - * Alignment for tiled objects is set automatically; the 'flags' - * argument provides a hint about how the object will be used initially. - * - * Valid tiling formats are: - * I915_TILING_NONE - * I915_TILING_X - * I915_TILING_Y - * - * Note the tiling format may be rejected; callers should check the - * 'tiling_mode' field on return, as well as the pitch value, which - * may have been rounded up to accommodate for tiling restrictions. - */ - drm_intel_bo *(*bo_alloc_tiled) (drm_intel_bufmgr *bufmgr, - const char *name, - int x, int y, int cpp, - uint32_t *tiling_mode, - unsigned long *pitch, - unsigned long flags); - - /** Takes a reference on a buffer object */ - void (*bo_reference) (drm_intel_bo *bo); - - /** - * Releases a reference on a buffer object, freeing the data if - * no references remain. - */ - void (*bo_unreference) (drm_intel_bo *bo); - - /** - * Maps the buffer into userspace. - * - * This function will block waiting for any existing execution on the - * buffer to complete, first. The resulting mapping is available at - * buf->virtual. - */ - int (*bo_map) (drm_intel_bo *bo, int write_enable); - - /** - * Reduces the refcount on the userspace mapping of the buffer - * object. - */ - int (*bo_unmap) (drm_intel_bo *bo); - - /** - * Write data into an object. - * - * This is an optional function, if missing, - * drm_intel_bo will map/memcpy/unmap. - */ - int (*bo_subdata) (drm_intel_bo *bo, unsigned long offset, - unsigned long size, const void *data); - - /** - * Read data from an object - * - * This is an optional function, if missing, - * drm_intel_bo will map/memcpy/unmap. - */ - int (*bo_get_subdata) (drm_intel_bo *bo, unsigned long offset, - unsigned long size, void *data); - - /** - * Waits for rendering to an object by the GPU to have completed. - * - * This is not required for any access to the BO by bo_map, - * bo_subdata, etc. It is merely a way for the driver to implement - * glFinish. - */ - void (*bo_wait_rendering) (drm_intel_bo *bo); - - /** - * Tears down the buffer manager instance. - */ - void (*destroy) (drm_intel_bufmgr *bufmgr); - - /** - * Add relocation entry in reloc_buf, which will be updated with the - * target buffer's real offset on on command submission. - * - * Relocations remain in place for the lifetime of the buffer object. - * - * \param bo Buffer to write the relocation into. - * \param offset Byte offset within reloc_bo of the pointer to - * target_bo. - * \param target_bo Buffer whose offset should be written into the - * relocation entry. - * \param target_offset Constant value to be added to target_bo's - * offset in relocation entry. - * \param read_domains GEM read domains which the buffer will be - * read into by the command that this relocation - * is part of. - * \param write_domains GEM read domains which the buffer will be - * dirtied in by the command that this - * relocation is part of. - */ - int (*bo_emit_reloc) (drm_intel_bo *bo, uint32_t offset, - drm_intel_bo *target_bo, uint32_t target_offset, - uint32_t read_domains, uint32_t write_domain); - - /** Executes the command buffer pointed to by bo. */ - int (*bo_exec) (drm_intel_bo *bo, int used, - drm_clip_rect_t *cliprects, int num_cliprects, - int DR4); - - /** - * Pin a buffer to the aperture and fix the offset until unpinned - * - * \param buf Buffer to pin - * \param alignment Required alignment for aperture, in bytes - */ - int (*bo_pin) (drm_intel_bo *bo, uint32_t alignment); - - /** - * Unpin a buffer from the aperture, allowing it to be removed - * - * \param buf Buffer to unpin - */ - int (*bo_unpin) (drm_intel_bo *bo); - - /** - * Ask that the buffer be placed in tiling mode - * - * \param buf Buffer to set tiling mode for - * \param tiling_mode desired, and returned tiling mode - */ - int (*bo_set_tiling) (drm_intel_bo *bo, uint32_t * tiling_mode, - uint32_t stride); - - /** - * Get the current tiling (and resulting swizzling) mode for the bo. - * - * \param buf Buffer to get tiling mode for - * \param tiling_mode returned tiling mode - * \param swizzle_mode returned swizzling mode - */ - int (*bo_get_tiling) (drm_intel_bo *bo, uint32_t * tiling_mode, - uint32_t * swizzle_mode); - - /** - * Create a visible name for a buffer which can be used by other apps - * - * \param buf Buffer to create a name for - * \param name Returned name - */ - int (*bo_flink) (drm_intel_bo *bo, uint32_t * name); - - /** - * Returns 1 if mapping the buffer for write could cause the process - * to block, due to the object being active in the GPU. - */ - int (*bo_busy) (drm_intel_bo *bo); - - int (*check_aperture_space) (drm_intel_bo ** bo_array, int count); - - /** - * Disable buffer reuse for buffers which will be shared in some way, - * as with scanout buffers. When the buffer reference count goes to - * zero, it will be freed and not placed in the reuse list. - * - * \param bo Buffer to disable reuse for - */ - int (*bo_disable_reuse) (drm_intel_bo *bo); - - /** - * - * Return the pipe associated with a crtc_id so that vblank - * synchronization can use the correct data in the request. - * This is only supported for KMS and gem at this point, when - * unsupported, this function returns -1 and leaves the decision - * of what to do in that case to the caller - * - * \param bufmgr the associated buffer manager - * \param crtc_id the crtc identifier - */ - int (*get_pipe_from_crtc_id) (drm_intel_bufmgr *bufmgr, int crtc_id); - - /** Returns true if target_bo is in the relocation tree rooted at bo. */ - int (*bo_references) (drm_intel_bo *bo, drm_intel_bo *target_bo); - - /**< Enables verbose debugging printouts */ - int debug; -}; - -#define ALIGN(value, alignment) ((value + alignment - 1) & ~(alignment - 1)) -#define ROUND_UP_TO(x, y) (((x) + (y) - 1) / (y) * (y)) -#define ROUND_UP_TO_MB(x) ROUND_UP_TO((x), 1024*1024) - -#endif /* INTEL_BUFMGR_PRIV_H */ diff --git a/libdrm/intel/intel_chipset.h b/libdrm/intel/intel_chipset.h deleted file mode 100644 index 688476a4..00000000 --- a/libdrm/intel/intel_chipset.h +++ /dev/null @@ -1,77 +0,0 @@ -/* - * - * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - */ - -#ifndef _INTEL_CHIPSET_H -#define _INTEL_CHIPSET_H - -#define IS_I830(dev) ((dev)->pci_device == 0x3577) -#define IS_845G(dev) ((dev)->pci_device == 0x2562) -#define IS_I85X(dev) ((dev)->pci_device == 0x3582) -#define IS_I855(dev) ((dev)->pci_device == 0x3582) -#define IS_I865G(dev) ((dev)->pci_device == 0x2572) - -#define IS_I915G(dev) ((dev)->pci_device == 0x2582 || (dev)->pci_device == 0x258a) -#define IS_I915GM(dev) ((dev)->pci_device == 0x2592) -#define IS_I945G(dev) ((dev)->pci_device == 0x2772) -#define IS_I945GM(dev) ((dev)->pci_device == 0x27A2 ||\ - (dev)->pci_device == 0x27AE) -#define IS_I965G(dev) ((dev)->pci_device == 0x2972 || \ - (dev)->pci_device == 0x2982 || \ - (dev)->pci_device == 0x2992 || \ - (dev)->pci_device == 0x29A2 || \ - (dev)->pci_device == 0x2A02 || \ - (dev)->pci_device == 0x2A12 || \ - (dev)->pci_device == 0x2A42 || \ - (dev)->pci_device == 0x2E02 || \ - (dev)->pci_device == 0x2E12 || \ - (dev)->pci_device == 0x2E22 || \ - (dev)->pci_device == 0x2E32 || \ - (dev)->pci_device == 0x2E42 || \ - (dev)->pci_device == 0x0042 || \ - (dev)->pci_device == 0x0046) - -#define IS_I965GM(dev) ((dev)->pci_device == 0x2A02) - -#define IS_GM45(dev) ((dev)->pci_device == 0x2A42) - -#define IS_G4X(dev) ((dev)->pci_device == 0x2E02 || \ - (dev)->pci_device == 0x2E12 || \ - (dev)->pci_device == 0x2E22 || \ - (dev)->pci_device == 0x2E32 || \ - (dev)->pci_device == 0x2E42) - -#define IS_G33(dev) ((dev)->pci_device == 0x29C2 || \ - (dev)->pci_device == 0x29B2 || \ - (dev)->pci_device == 0x29D2) - -#define IS_I9XX(dev) (IS_I915G(dev) || IS_I915GM(dev) || IS_I945G(dev) || \ - IS_I945GM(dev) || IS_I965G(dev) || IS_G33(dev)) - -#define IS_MOBILE(dev) (IS_I830(dev) || IS_I85X(dev) || IS_I915GM(dev) || \ - IS_I945GM(dev) || IS_I965GM(dev) || IS_GM45(dev)) - -#endif /* _INTEL_CHIPSET_H */ diff --git a/libdrm/intel/libdrm_intel.pc.in b/libdrm/intel/libdrm_intel.pc.in deleted file mode 100644 index ea71cc3e..00000000 --- a/libdrm/intel/libdrm_intel.pc.in +++ /dev/null @@ -1,10 +0,0 @@ -prefix=@prefix@ -exec_prefix=@exec_prefix@ -libdir=@libdir@ -includedir=@includedir@ - -Name: libdrm -Description: Userspace interface to kernel DRM services -Version: @PACKAGE_VERSION@ -Libs: -L${libdir} -ldrm -ldrm_intel -Cflags: -I${includedir} -I${includedir}/drm diff --git a/libdrm/intel/mm.c b/libdrm/intel/mm.c deleted file mode 100644 index 10697452..00000000 --- a/libdrm/intel/mm.c +++ /dev/null @@ -1,271 +0,0 @@ -/* - * GLX Hardware Device Driver common code - * Copyright (C) 1999 Wittawat Yamwong - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * WITTAWAT YAMWONG, OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM, - * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR - * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE - * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - */ - -#include <stdlib.h> -#include <assert.h> - -#include "xf86drm.h" -#include "mm.h" - -void mmDumpMemInfo(const struct mem_block *heap) -{ - drmMsg("Memory heap %p:\n", (void *)heap); - if (heap == 0) { - drmMsg(" heap == 0\n"); - } else { - const struct mem_block *p; - - for (p = heap->next; p != heap; p = p->next) { - drmMsg(" Offset:%08x, Size:%08x, %c%c\n", p->ofs, - p->size, p->free ? 'F' : '.', - p->reserved ? 'R' : '.'); - } - - drmMsg("\nFree list:\n"); - - for (p = heap->next_free; p != heap; p = p->next_free) { - drmMsg(" FREE Offset:%08x, Size:%08x, %c%c\n", p->ofs, - p->size, p->free ? 'F' : '.', - p->reserved ? 'R' : '.'); - } - - } - drmMsg("End of memory blocks\n"); -} - -struct mem_block *mmInit(int ofs, int size) -{ - struct mem_block *heap, *block; - - if (size <= 0) - return NULL; - - heap = (struct mem_block *)calloc(1, sizeof(struct mem_block)); - if (!heap) - return NULL; - - block = (struct mem_block *)calloc(1, sizeof(struct mem_block)); - if (!block) { - free(heap); - return NULL; - } - - heap->next = block; - heap->prev = block; - heap->next_free = block; - heap->prev_free = block; - - block->heap = heap; - block->next = heap; - block->prev = heap; - block->next_free = heap; - block->prev_free = heap; - - block->ofs = ofs; - block->size = size; - block->free = 1; - - return heap; -} - -static struct mem_block *SliceBlock(struct mem_block *p, - int startofs, int size, - int reserved, int alignment) -{ - struct mem_block *newblock; - - /* break left [p, newblock, p->next], then p = newblock */ - if (startofs > p->ofs) { - newblock = - (struct mem_block *)calloc(1, sizeof(struct mem_block)); - if (!newblock) - return NULL; - newblock->ofs = startofs; - newblock->size = p->size - (startofs - p->ofs); - newblock->free = 1; - newblock->heap = p->heap; - - newblock->next = p->next; - newblock->prev = p; - p->next->prev = newblock; - p->next = newblock; - - newblock->next_free = p->next_free; - newblock->prev_free = p; - p->next_free->prev_free = newblock; - p->next_free = newblock; - - p->size -= newblock->size; - p = newblock; - } - - /* break right, also [p, newblock, p->next] */ - if (size < p->size) { - newblock = - (struct mem_block *)calloc(1, sizeof(struct mem_block)); - if (!newblock) - return NULL; - newblock->ofs = startofs + size; - newblock->size = p->size - size; - newblock->free = 1; - newblock->heap = p->heap; - - newblock->next = p->next; - newblock->prev = p; - p->next->prev = newblock; - p->next = newblock; - - newblock->next_free = p->next_free; - newblock->prev_free = p; - p->next_free->prev_free = newblock; - p->next_free = newblock; - - p->size = size; - } - - /* p = middle block */ - p->free = 0; - - /* Remove p from the free list: - */ - p->next_free->prev_free = p->prev_free; - p->prev_free->next_free = p->next_free; - - p->next_free = 0; - p->prev_free = 0; - - p->reserved = reserved; - return p; -} - -struct mem_block *mmAllocMem(struct mem_block *heap, int size, int align2, - int startSearch) -{ - struct mem_block *p; - const int mask = (1 << align2) - 1; - int startofs = 0; - int endofs; - - if (!heap || align2 < 0 || size <= 0) - return NULL; - - for (p = heap->next_free; p != heap; p = p->next_free) { - assert(p->free); - - startofs = (p->ofs + mask) & ~mask; - if (startofs < startSearch) { - startofs = startSearch; - } - endofs = startofs + size; - if (endofs <= (p->ofs + p->size)) - break; - } - - if (p == heap) - return NULL; - - assert(p->free); - p = SliceBlock(p, startofs, size, 0, mask + 1); - - return p; -} - -struct mem_block *mmFindBlock(struct mem_block *heap, int start) -{ - struct mem_block *p; - - for (p = heap->next; p != heap; p = p->next) { - if (p->ofs == start) - return p; - } - - return NULL; -} - -static int Join2Blocks(struct mem_block *p) -{ - /* XXX there should be some assertions here */ - - /* NOTE: heap->free == 0 */ - - if (p->free && p->next->free) { - struct mem_block *q = p->next; - - assert(p->ofs + p->size == q->ofs); - p->size += q->size; - - p->next = q->next; - q->next->prev = p; - - q->next_free->prev_free = q->prev_free; - q->prev_free->next_free = q->next_free; - - free(q); - return 1; - } - return 0; -} - -int mmFreeMem(struct mem_block *b) -{ - if (!b) - return 0; - - if (b->free) { - drmMsg("block already free\n"); - return -1; - } - if (b->reserved) { - drmMsg("block is reserved\n"); - return -1; - } - - b->free = 1; - b->next_free = b->heap->next_free; - b->prev_free = b->heap; - b->next_free->prev_free = b; - b->prev_free->next_free = b; - - Join2Blocks(b); - if (b->prev != b->heap) - Join2Blocks(b->prev); - - return 0; -} - -void mmDestroy(struct mem_block *heap) -{ - struct mem_block *p; - - if (!heap) - return; - - for (p = heap->next; p != heap;) { - struct mem_block *next = p->next; - free(p); - p = next; - } - - free(heap); -} diff --git a/libdrm/intel/mm.h b/libdrm/intel/mm.h deleted file mode 100644 index 8a5235b0..00000000 --- a/libdrm/intel/mm.h +++ /dev/null @@ -1,94 +0,0 @@ -/* - * GLX Hardware Device Driver common code - * Copyright (C) 1999 Wittawat Yamwong - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * KEITH WHITWELL, OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM, - * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR - * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE - * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/** - * Memory manager code. Primarily used by device drivers to manage texture - * heaps, etc. - */ - -#ifndef MM_H -#define MM_H - -struct mem_block { - struct mem_block *next, *prev; - struct mem_block *next_free, *prev_free; - struct mem_block *heap; - int ofs, size; - unsigned int free:1; - unsigned int reserved:1; -}; - -/* Rename the variables in the drm copy of this code so that it doesn't - * conflict with mesa or whoever else has copied it around. - */ -#define mmInit drm_mmInit -#define mmAllocMem drm_mmAllocMem -#define mmFreeMem drm_mmFreeMem -#define mmFindBlock drm_mmFindBlock -#define mmDestroy drm_mmDestroy -#define mmDumpMemInfo drm_mmDumpMemInfo - -/** - * input: total size in bytes - * return: a heap pointer if OK, NULL if error - */ -extern struct mem_block *mmInit(int ofs, int size); - -/** - * Allocate 'size' bytes with 2^align2 bytes alignment, - * restrict the search to free memory after 'startSearch' - * depth and back buffers should be in different 4mb banks - * to get better page hits if possible - * input: size = size of block - * align2 = 2^align2 bytes alignment - * startSearch = linear offset from start of heap to begin search - * return: pointer to the allocated block, 0 if error - */ -extern struct mem_block *mmAllocMem(struct mem_block *heap, int size, - int align2, int startSearch); - -/** - * Free block starts at offset - * input: pointer to a block - * return: 0 if OK, -1 if error - */ -extern int mmFreeMem(struct mem_block *b); - -/** - * Free block starts at offset - * input: pointer to a heap, start offset - * return: pointer to a block - */ -extern struct mem_block *mmFindBlock(struct mem_block *heap, int start); - -/** - * destroy MM - */ -extern void mmDestroy(struct mem_block *mmInit); - -/** - * For debuging purpose. - */ -extern void mmDumpMemInfo(const struct mem_block *mmInit); - -#endif |