diff options
Diffstat (limited to 'libdrm')
| -rw-r--r-- | libdrm/Makefile.am | 4 | ||||
| -rw-r--r-- | libdrm/dri_bufmgr.h | 178 | ||||
| -rw-r--r-- | libdrm/intel/Makefile.am | 7 | ||||
| -rw-r--r-- | libdrm/intel/intel_bufmgr.c (renamed from libdrm/dri_bufmgr.c) | 69 | ||||
| -rw-r--r-- | libdrm/intel/intel_bufmgr.h | 133 | ||||
| -rw-r--r-- | libdrm/intel/intel_bufmgr_fake.c | 304 | ||||
| -rw-r--r-- | libdrm/intel/intel_bufmgr_gem.c | 161 | ||||
| -rw-r--r-- | libdrm/intel/intel_bufmgr_priv.h | 165 | ||||
| -rw-r--r-- | libdrm/xf86drm.c | 27 |
9 files changed, 625 insertions, 423 deletions
diff --git a/libdrm/Makefile.am b/libdrm/Makefile.am index c6d66732..532ca138 100644 --- a/libdrm/Makefile.am +++ b/libdrm/Makefile.am @@ -26,10 +26,10 @@ libdrm_la_LDFLAGS = -version-number 2:3:0 -no-undefined AM_CFLAGS = -I$(top_srcdir)/shared-core libdrm_la_SOURCES = xf86drm.c xf86drmHash.c xf86drmRandom.c xf86drmSL.c \ - xf86drmMode.c dri_bufmgr.c libdrm_lists.h + xf86drmMode.c libdrm_la_LIBADD = intel/libdrm_intel.la libdrmincludedir = ${includedir} -libdrminclude_HEADERS = xf86drm.h xf86drmMode.h dri_bufmgr.h +libdrminclude_HEADERS = xf86drm.h xf86drmMode.h EXTRA_DIST = ChangeLog TODO diff --git a/libdrm/dri_bufmgr.h b/libdrm/dri_bufmgr.h deleted file mode 100644 index 2005bdc6..00000000 --- a/libdrm/dri_bufmgr.h +++ /dev/null @@ -1,178 +0,0 @@ -/************************************************************************** - * - * 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> - */ - -#ifndef _DRI_BUFMGR_H_ -#define _DRI_BUFMGR_H_ -#include <xf86drm.h> - -typedef struct _dri_bufmgr dri_bufmgr; -typedef struct _dri_bo dri_bo; - -struct _dri_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; - /** - * Card virtual address (offset from the beginning of the aperture) for the - * object. Only valid while validated. - */ - unsigned long offset; - /** - * Virtual address for accessing the buffer data. Only valid while mapped. - */ - void *virtual; - /** Buffer manager context associated with this buffer object */ - dri_bufmgr *bufmgr; - /** - * MM-specific handle for accessing object - */ - int handle; -}; - -/** - * Context for a buffer manager instance. - * - * Contains public methods followed by private storage for the buffer manager. - */ -struct _dri_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() to be used by the CPU, and validated for use using bo_validate() - * to be used from the graphics device. - */ - dri_bo *(*bo_alloc)(dri_bufmgr *bufmgr_ctx, const char *name, - unsigned long size, unsigned int alignment); - - /** Takes a reference on a buffer object */ - void (*bo_reference)(dri_bo *bo); - - /** - * Releases a reference on a buffer object, freeing the data if - * rerefences remain. - */ - void (*bo_unreference)(dri_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)(dri_bo *buf, int write_enable); - - /** Reduces the refcount on the userspace mapping of the buffer object. */ - int (*bo_unmap)(dri_bo *buf); - - /** - * Write data into an object. - * - * This is an optional function, if missing, - * dri_bo will map/memcpy/unmap. - */ - int (*bo_subdata) (dri_bo *buf, unsigned long offset, - unsigned long size, const void *data); - - /** - * Read data from an object - * - * This is an optional function, if missing, - * dri_bo will map/memcpy/unmap. - */ - int (*bo_get_subdata) (dri_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) (dri_bo *bo); - - /** - * Tears down the buffer manager instance. - */ - void (*destroy)(dri_bufmgr *bufmgr); - - /** - * Processes the relocations, either in userland or by converting the list - * for use in batchbuffer submission. - * - * Kernel-based implementations will return a pointer to the arguments - * to be handed with batchbuffer submission to the kernel. The userland - * implementation performs the buffer validation and emits relocations - * into them the appopriate order. - * - * \param batch_buf buffer at the root of the tree of relocations - * \return argument to be completed and passed to the execbuffers ioctl - * (if any). - */ - void *(*process_relocs)(dri_bo *batch_buf); - - void (*post_submit)(dri_bo *batch_buf); - - int (*check_aperture_space)(dri_bo **bo_array, int count); - int debug; /**< Enables verbose debugging printouts */ -}; - -dri_bo *dri_bo_alloc(dri_bufmgr *bufmgr, const char *name, unsigned long size, - unsigned int alignment); -void dri_bo_reference(dri_bo *bo); -void dri_bo_unreference(dri_bo *bo); -int dri_bo_map(dri_bo *buf, int write_enable); -int dri_bo_unmap(dri_bo *buf); - -int dri_bo_subdata(dri_bo *bo, unsigned long offset, - unsigned long size, const void *data); -int dri_bo_get_subdata(dri_bo *bo, unsigned long offset, - unsigned long size, void *data); -void dri_bo_wait_rendering(dri_bo *bo); - -void dri_bufmgr_set_debug(dri_bufmgr *bufmgr, int enable_debug); -void dri_bufmgr_destroy(dri_bufmgr *bufmgr); - -void *dri_process_relocs(dri_bo *batch_buf); -void dri_post_process_relocs(dri_bo *batch_buf); -void dri_post_submit(dri_bo *batch_buf); -int dri_bufmgr_check_aperture_space(dri_bo **bo_array, int count); - -#endif diff --git a/libdrm/intel/Makefile.am b/libdrm/intel/Makefile.am index 31a8512a..607c4765 100644 --- a/libdrm/intel/Makefile.am +++ b/libdrm/intel/Makefile.am @@ -25,11 +25,16 @@ AM_CFLAGS = \ $(WARN_CFLAGS) \ -I$(top_srcdir)/libdrm \ + -I$(top_srcdir)/libdrm/intel \ -I$(top_srcdir)/shared-core -noinst_LTLIBRARIES = libdrm_intel.la +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_SOURCES = \ + intel_bufmgr.c \ + intel_bufmgr_priv.h \ intel_bufmgr_fake.c \ intel_bufmgr_gem.c \ mm.c \ diff --git a/libdrm/dri_bufmgr.c b/libdrm/intel/intel_bufmgr.c index a6eda3bd..fc7284b5 100644 --- a/libdrm/dri_bufmgr.c +++ b/libdrm/intel/intel_bufmgr.c @@ -25,10 +25,19 @@ * */ +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + #include <string.h> #include <stdlib.h> +#include <stdint.h> #include <assert.h> -#include "dri_bufmgr.h" +#include <errno.h> +#include <drm.h> +#include <i915_drm.h> +#include "intel_bufmgr.h" +#include "intel_bufmgr_priv.h" /** @file dri_bufmgr.c * @@ -118,14 +127,12 @@ dri_bufmgr_destroy(dri_bufmgr *bufmgr) bufmgr->destroy(bufmgr); } -void *dri_process_relocs(dri_bo *batch_buf) -{ - return batch_buf->bufmgr->process_relocs(batch_buf); -} - -void dri_post_submit(dri_bo *batch_buf) +int +dri_bo_exec(dri_bo *bo, int used, + drm_clip_rect_t *cliprects, int num_cliprects, + int DR4) { - batch_buf->bufmgr->post_submit(batch_buf); + return bo->bufmgr->bo_exec(bo, used, cliprects, num_cliprects, DR4); } void @@ -139,3 +146,49 @@ dri_bufmgr_check_aperture_space(dri_bo **bo_array, int count) { return bo_array[0]->bufmgr->check_aperture_space(bo_array, count); } + +int +dri_bo_flink(dri_bo *bo, uint32_t *name) +{ + if (bo->bufmgr->bo_flink) + return bo->bufmgr->bo_flink(bo, name); + + return -ENODEV; +} + +int +dri_bo_emit_reloc(dri_bo *reloc_buf, + uint32_t read_domains, uint32_t write_domain, + uint32_t delta, uint32_t offset, dri_bo *target_buf) +{ + return reloc_buf->bufmgr->bo_emit_reloc(reloc_buf, + read_domains, write_domain, + delta, offset, target_buf); +} + +int +dri_bo_pin(dri_bo *bo, uint32_t alignment) +{ + if (bo->bufmgr->bo_pin) + return bo->bufmgr->bo_pin(bo, alignment); + + return -ENODEV; +} + +int +dri_bo_unpin(dri_bo *bo) +{ + if (bo->bufmgr->bo_unpin) + return bo->bufmgr->bo_unpin(bo); + + return -ENODEV; +} + +int dri_bo_set_tiling(dri_bo *bo, uint32_t *tiling_mode) +{ + if (bo->bufmgr->bo_set_tiling) + return bo->bufmgr->bo_set_tiling(bo, tiling_mode); + + *tiling_mode = I915_TILING_NONE; + return 0; +} diff --git a/libdrm/intel/intel_bufmgr.h b/libdrm/intel/intel_bufmgr.h index 4d335210..c44d596b 100644 --- a/libdrm/intel/intel_bufmgr.h +++ b/libdrm/intel/intel_bufmgr.h @@ -31,65 +31,64 @@ * Public definitions of Intel-specific bufmgr functions. */ -#ifndef INTEL_BUFMGR_GEM_H -#define INTEL_BUFMGR_GEM_H +#ifndef INTEL_BUFMGR_H +#define INTEL_BUFMGR_H -#include "dri_bufmgr.h" +#include <stdint.h> -/** - * Intel-specific bufmgr bits that follow immediately after the - * generic bufmgr structure. - */ -struct intel_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 reloc_buf Buffer to write the relocation into. - * \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. - * \param delta Constant value to be added to the relocation target's - * offset. - * \param offset Byte offset within batch_buf of the relocated pointer. - * \param target Buffer whose offset should be written into the relocation - * entry. - */ - int (*emit_reloc)(dri_bo *reloc_buf, - uint32_t read_domains, uint32_t write_domain, - uint32_t delta, uint32_t offset, dri_bo *target); +typedef struct _dri_bufmgr dri_bufmgr; +typedef struct _dri_bo dri_bo; + +struct _dri_bo { /** - * Pin a buffer to the aperture and fix the offset until unpinned + * Size in bytes of the buffer object. * - * \param buf Buffer to pin - * \param alignment Required alignment for aperture, in bytes + * The size may be larger than the size originally requested for the + * allocation, such as being aligned to page size. */ - int (*pin) (dri_bo *buf, uint32_t alignment); + unsigned long size; /** - * Unpin a buffer from the aperture, allowing it to be removed - * - * \param buf Buffer to unpin + * Card virtual address (offset from the beginning of the aperture) for the + * object. Only valid while validated. */ - int (*unpin) (dri_bo *buf); + unsigned long offset; /** - * 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 + * Virtual address for accessing the buffer data. Only valid while mapped. */ - int (*set_tiling) (dri_bo *bo, uint32_t *tiling_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 (*flink) (dri_bo *buf, uint32_t *name); + void *virtual; + + /** Buffer manager context associated with this buffer object */ + dri_bufmgr *bufmgr; }; +dri_bo *dri_bo_alloc(dri_bufmgr *bufmgr, const char *name, unsigned long size, + unsigned int alignment); +void dri_bo_reference(dri_bo *bo); +void dri_bo_unreference(dri_bo *bo); +int dri_bo_map(dri_bo *buf, int write_enable); +int dri_bo_unmap(dri_bo *buf); + +int dri_bo_subdata(dri_bo *bo, unsigned long offset, + unsigned long size, const void *data); +int dri_bo_get_subdata(dri_bo *bo, unsigned long offset, + unsigned long size, void *data); +void dri_bo_wait_rendering(dri_bo *bo); + +void dri_bufmgr_set_debug(dri_bufmgr *bufmgr, int enable_debug); +void dri_bufmgr_destroy(dri_bufmgr *bufmgr); +int dri_bo_exec(dri_bo *bo, int used, + drm_clip_rect_t *cliprects, int num_cliprects, + int DR4); +int dri_bufmgr_check_aperture_space(dri_bo **bo_array, int count); + +int dri_bo_emit_reloc(dri_bo *reloc_buf, + uint32_t read_domains, uint32_t write_domain, + uint32_t delta, uint32_t offset, dri_bo *target_buf); +int dri_bo_pin(dri_bo *buf, uint32_t alignment); +int dri_bo_unpin(dri_bo *buf); +int dri_bo_set_tiling(dri_bo *buf, uint32_t *tiling_mode); +int dri_bo_flink(dri_bo *buf, uint32_t *name); + /* intel_bufmgr_gem.c */ dri_bufmgr *intel_bufmgr_gem_init(int fd, int batch_size); dri_bo *intel_bo_gem_create_from_name(dri_bufmgr *bufmgr, const char *name, @@ -97,34 +96,32 @@ dri_bo *intel_bo_gem_create_from_name(dri_bufmgr *bufmgr, const char *name, void intel_bufmgr_gem_enable_reuse(dri_bufmgr *bufmgr); /* intel_bufmgr_fake.c */ -dri_bufmgr *intel_bufmgr_fake_init(unsigned long low_offset, void *low_virtual, +dri_bufmgr *intel_bufmgr_fake_init(int fd, + unsigned long low_offset, void *low_virtual, unsigned long size, - unsigned int (*fence_emit)(void *private), - int (*fence_wait)(void *private, - unsigned int cookie), - void *driver_priv); + volatile unsigned int *last_dispatch); +void intel_bufmgr_fake_set_last_dispatch(dri_bufmgr *bufmgr, + volatile unsigned int *last_dispatch); +void intel_bufmgr_fake_set_exec_callback(dri_bufmgr *bufmgr, + int (*exec)(dri_bo *bo, + unsigned int used, + void *priv), + void *priv); +void intel_bufmgr_fake_set_fence_callback(dri_bufmgr *bufmgr, + unsigned int (*emit)(void *priv), + void (*wait)(unsigned int fence, + void *priv), + void *priv); dri_bo *intel_bo_fake_alloc_static(dri_bufmgr *bufmgr, const char *name, unsigned long offset, unsigned long size, void *virtual); - -void intel_bufmgr_fake_contended_lock_take(dri_bufmgr *bufmgr); void intel_bo_fake_disable_backing_store(dri_bo *bo, void (*invalidate_cb)(dri_bo *bo, void *ptr), void *ptr); -void intel_bufmgr_fake_evict_all(dri_bufmgr *bufmgr); - -int intel_bo_emit_reloc(dri_bo *reloc_buf, - uint32_t read_domains, uint32_t write_domain, - uint32_t delta, uint32_t offset, dri_bo *target_buf); - -int intel_bo_pin(dri_bo *buf, uint32_t alignment); - -int intel_bo_unpin(dri_bo *buf); -int intel_bo_set_tiling(dri_bo *buf, uint32_t *tiling_mode); - -int intel_bo_flink(dri_bo *buf, uint32_t *name); +void intel_bufmgr_fake_contended_lock_take(dri_bufmgr *bufmgr); +void intel_bufmgr_fake_evict_all(dri_bufmgr *bufmgr); -#endif /* INTEL_BUFMGR_GEM_H */ +#endif /* INTEL_BUFMGR_H */ diff --git a/libdrm/intel/intel_bufmgr_fake.c b/libdrm/intel/intel_bufmgr_fake.c index 15da398f..c88e1cb0 100644 --- a/libdrm/intel/intel_bufmgr_fake.c +++ b/libdrm/intel/intel_bufmgr_fake.c @@ -34,11 +34,17 @@ * 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 "dri_bufmgr.h" +#include <errno.h> +#include <xf86drm.h> #include "intel_bufmgr.h" +#include "intel_bufmgr_priv.h" #include "drm.h" #include "i915_drm.h" #include "mm.h" @@ -105,7 +111,6 @@ struct block { typedef struct _bufmgr_fake { dri_bufmgr bufmgr; - struct intel_bufmgr intel_bufmgr; unsigned long low_offset; unsigned long size; @@ -138,14 +143,32 @@ typedef struct _bufmgr_fake { /** * 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. */ - int (*fence_wait)(void *private, unsigned int fence_cookie); + 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)(dri_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; @@ -211,24 +234,161 @@ static int FENCE_LTE( unsigned a, unsigned b ) return 0; } +void intel_bufmgr_fake_set_fence_callback(dri_bufmgr *bufmgr, + unsigned int (*emit)(void *priv), + void (*wait)(unsigned int fence, + void *priv), + void *priv) +{ + dri_bufmgr_fake *bufmgr_fake = (dri_bufmgr_fake *)bufmgr; + + bufmgr_fake->fence_emit = emit; + bufmgr_fake->fence_wait = wait; + bufmgr_fake->fence_priv = priv; +} + static unsigned int _fence_emit_internal(dri_bufmgr_fake *bufmgr_fake) { - bufmgr_fake->last_fence = bufmgr_fake->fence_emit(bufmgr_fake->driver_priv); + struct drm_i915_irq_emit ie; + int ret, seq = 1; + + if (bufmgr_fake->fence_emit != NULL) + return bufmgr_fake->fence_emit(bufmgr_fake->fence_priv); + + 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); + bufmgr_fake->last_fence = seq; return bufmgr_fake->last_fence; } static void -_fence_wait_internal(dri_bufmgr_fake *bufmgr_fake, unsigned int cookie) +_fence_wait_internal(dri_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); + 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)); - ret = bufmgr_fake->fence_wait(bufmgr_fake->driver_priv, cookie); if (ret != 0) { - drmMsg("%s:%d: Error %d waiting for fence.\n", __FILE__, __LINE__); + drmMsg("%s:%d: Error waiting for fence: %s.\n", __FILE__, __LINE__, + strerror(-ret)); abort(); } - clear_fenced(bufmgr_fake, cookie); + clear_fenced(bufmgr_fake, seq); } static int @@ -540,7 +700,7 @@ dri_bufmgr_fake_wait_idle(dri_bufmgr_fake *bufmgr_fake) { unsigned int cookie; - cookie = bufmgr_fake->fence_emit(bufmgr_fake->driver_priv); + cookie = _fence_emit_internal(bufmgr_fake); _fence_wait_internal(bufmgr_fake, cookie); } @@ -1052,38 +1212,6 @@ dri_fake_reloc_and_validate_buffer(dri_bo *bo) return dri_fake_bo_validate(bo); } -static void * -dri_fake_process_relocs(dri_bo *batch_buf) -{ - dri_bufmgr_fake *bufmgr_fake = (dri_bufmgr_fake *)batch_buf->bufmgr; - dri_bo_fake *batch_fake = (dri_bo_fake *)batch_buf; - int ret; - int retry_count = 0; - - bufmgr_fake->performed_rendering = 0; - - dri_fake_calculate_domains(batch_buf); - - batch_fake->read_domains = I915_GEM_DOMAIN_COMMAND; - - /* we've ran out of RAM so blow the whole lot away and retry */ - restart: - ret = dri_fake_reloc_and_validate_buffer(batch_buf); - if (bufmgr_fake->fail == 1) { - if (retry_count == 0) { - retry_count++; - dri_fake_kick_all(bufmgr_fake); - bufmgr_fake->fail = 0; - goto restart; - } else /* dump out the memory here */ - mmDumpMemInfo(bufmgr_fake->heap); - } - - assert(ret == 0); - - return NULL; -} - static void dri_bo_fake_post_submit(dri_bo *bo) { @@ -1110,12 +1238,74 @@ dri_bo_fake_post_submit(dri_bo *bo) } -static void -dri_fake_post_submit(dri_bo *batch_buf) +void intel_bufmgr_fake_set_exec_callback(dri_bufmgr *bufmgr, + int (*exec)(dri_bo *bo, + unsigned int used, + void *priv), + void *priv) +{ + dri_bufmgr_fake *bufmgr_fake = (dri_bufmgr_fake *)bufmgr; + + bufmgr_fake->exec = exec; + bufmgr_fake->exec_priv = priv; +} + +static int +dri_fake_bo_exec(dri_bo *bo, int used, + drm_clip_rect_t *cliprects, int num_cliprects, + int DR4) { - dri_fake_fence_validated(batch_buf->bufmgr); + dri_bufmgr_fake *bufmgr_fake = (dri_bufmgr_fake *)bo->bufmgr; + dri_bo_fake *batch_fake = (dri_bo_fake *)bo; + struct drm_i915_batchbuffer batch; + int ret; + int retry_count = 0; + + bufmgr_fake->performed_rendering = 0; + + dri_fake_calculate_domains(bo); - dri_bo_fake_post_submit(batch_buf); + batch_fake->read_domains = I915_GEM_DOMAIN_COMMAND; + + /* we've ran out of RAM so blow the whole lot away and retry */ + restart: + ret = dri_fake_reloc_and_validate_buffer(bo); + if (bufmgr_fake->fail == 1) { + if (retry_count == 0) { + retry_count++; + dri_fake_kick_all(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) + 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); + return -errno; + } + } + + dri_fake_fence_validated(bo->bufmgr); + + dri_bo_fake_post_submit(bo); + + return 0; } /** @@ -1187,13 +1377,19 @@ intel_bufmgr_fake_evict_all(dri_bufmgr *bufmgr) free_block(bufmgr_fake, block); } } +void intel_bufmgr_fake_set_last_dispatch(dri_bufmgr *bufmgr, + volatile unsigned int *last_dispatch) +{ + dri_bufmgr_fake *bufmgr_fake = (dri_bufmgr_fake *)bufmgr; + + bufmgr_fake->last_dispatch = (volatile int *)last_dispatch; +} dri_bufmgr * -intel_bufmgr_fake_init(unsigned long low_offset, void *low_virtual, +intel_bufmgr_fake_init(int fd, + unsigned long low_offset, void *low_virtual, unsigned long size, - unsigned int (*fence_emit)(void *private), - int (*fence_wait)(void *private, unsigned int cookie), - void *driver_priv) + volatile unsigned int *last_dispatch) { dri_bufmgr_fake *bufmgr_fake; @@ -1216,16 +1412,14 @@ intel_bufmgr_fake_init(unsigned long low_offset, void *low_virtual, bufmgr_fake->bufmgr.bo_map = dri_fake_bo_map; bufmgr_fake->bufmgr.bo_unmap = dri_fake_bo_unmap; bufmgr_fake->bufmgr.bo_wait_rendering = dri_fake_bo_wait_rendering; + bufmgr_fake->bufmgr.bo_emit_reloc = dri_fake_emit_reloc; bufmgr_fake->bufmgr.destroy = dri_fake_destroy; - bufmgr_fake->bufmgr.process_relocs = dri_fake_process_relocs; - bufmgr_fake->bufmgr.post_submit = dri_fake_post_submit; + bufmgr_fake->bufmgr.bo_exec = dri_fake_bo_exec; bufmgr_fake->bufmgr.check_aperture_space = dri_fake_check_aperture_space; bufmgr_fake->bufmgr.debug = 0; - bufmgr_fake->intel_bufmgr.emit_reloc = dri_fake_emit_reloc; - bufmgr_fake->fence_emit = fence_emit; - bufmgr_fake->fence_wait = fence_wait; - bufmgr_fake->driver_priv = driver_priv; + 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 index af20efb2..4ca49d0a 100644 --- a/libdrm/intel/intel_bufmgr_gem.c +++ b/libdrm/intel/intel_bufmgr_gem.c @@ -34,6 +34,10 @@ * Dave Airlie <airlied@linux.ie> */ +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + #include <xf86drm.h> #include <stdio.h> #include <stdlib.h> @@ -44,8 +48,8 @@ #include <sys/mman.h> #include "errno.h" -#include "dri_bufmgr.h" #include "intel_bufmgr.h" +#include "intel_bufmgr_priv.h" #include "string.h" #include "i915_drm.h" @@ -76,8 +80,6 @@ struct dri_gem_bo_bucket { typedef struct _dri_bufmgr_gem { dri_bufmgr bufmgr; - struct intel_bufmgr intel_bufmgr; - int fd; int max_relocs; @@ -89,8 +91,6 @@ typedef struct _dri_bufmgr_gem { /** Array of lists of cached gem objects of power-of-two sizes */ struct dri_gem_bo_bucket cache_bucket[INTEL_GEM_BO_BUCKETS]; - - struct drm_i915_gem_execbuffer exec_arg; } dri_bufmgr_gem; struct _dri_bo_gem { @@ -316,7 +316,7 @@ dri_gem_bo_alloc(dri_bufmgr *bufmgr, const char *name, 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; + //bo_gem->bo.handle = bo_gem->gem_handle; if (ret != 0) { free(bo_gem); return NULL; @@ -358,7 +358,7 @@ intel_bo_gem_create_from_name(dri_bufmgr *bufmgr, const char *name, 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(-ret)); + name, handle, strerror(errno)); free(bo_gem); return NULL; } @@ -370,6 +370,7 @@ intel_bo_gem_create_from_name(dri_bufmgr *bufmgr, const char *name, bo_gem->refcount = 1; bo_gem->validate_index = -1; bo_gem->gem_handle = open_arg.handle; + bo_gem->global_name = handle; DBG("bo_create_from_handle: %d (%s)\n", handle, bo_gem->name); @@ -401,7 +402,7 @@ dri_gem_bo_free(dri_bo *bo) if (ret != 0) { fprintf(stderr, "DRM_IOCTL_GEM_CLOSE %d failed (%s): %s\n", - bo_gem->gem_handle, bo_gem->name, strerror(-ret)); + bo_gem->gem_handle, bo_gem->name, strerror(errno)); } free(bo); } @@ -650,8 +651,8 @@ dri_bufmgr_gem_destroy(dri_bufmgr *bufmgr) * last known offset in target_bo. */ static int -dri_gem_emit_reloc(dri_bo *bo, uint32_t read_domains, uint32_t write_domain, - uint32_t delta, uint32_t offset, dri_bo *target_bo) +dri_gem_bo_emit_reloc(dri_bo *bo, uint32_t read_domains, uint32_t write_domain, + uint32_t delta, uint32_t offset, dri_bo *target_bo) { dri_bufmgr_gem *bufmgr_gem = (dri_bufmgr_gem *)bo->bufmgr; dri_bo_gem *bo_gem = (dri_bo_gem *)bo; @@ -708,27 +709,6 @@ dri_gem_bo_process_reloc(dri_bo *bo) } } -static void * -dri_gem_process_reloc(dri_bo *batch_buf) -{ - dri_bufmgr_gem *bufmgr_gem = (dri_bufmgr_gem *) batch_buf->bufmgr; - - /* Update indices and set up the validate list. */ - dri_gem_bo_process_reloc(batch_buf); - - /* Add the batch buffer to the validation list. There are no relocations - * pointing to it. - */ - intel_add_validate_buffer(batch_buf); - - bufmgr_gem->exec_arg.buffers_ptr = (uintptr_t)bufmgr_gem->exec_objects; - bufmgr_gem->exec_arg.buffer_count = bufmgr_gem->exec_count; - bufmgr_gem->exec_arg.batch_start_offset = 0; - bufmgr_gem->exec_arg.batch_len = 0; /* written in intel_exec_ioctl */ - - return &bufmgr_gem->exec_arg; -} - static void intel_update_buffer_offsets (dri_bufmgr_gem *bufmgr_gem) { @@ -748,11 +728,35 @@ intel_update_buffer_offsets (dri_bufmgr_gem *bufmgr_gem) } } -static void -dri_gem_post_submit(dri_bo *batch_buf) +static int +dri_gem_bo_exec(dri_bo *bo, int used, + drm_clip_rect_t *cliprects, int num_cliprects, + int DR4) { - dri_bufmgr_gem *bufmgr_gem = (dri_bufmgr_gem *)batch_buf->bufmgr; - int i; + dri_bufmgr_gem *bufmgr_gem = (dri_bufmgr_gem *)bo->bufmgr; + struct drm_i915_gem_execbuffer execbuf; + int ret, i; + + /* Update indices and set up the validate list. */ + dri_gem_bo_process_reloc(bo); + + /* Add the batch buffer to the validation list. There are no relocations + * pointing to it. + */ + 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 == -EAGAIN); intel_update_buffer_offsets (bufmgr_gem); @@ -772,10 +776,12 @@ dri_gem_post_submit(dri_bo *batch_buf) bufmgr_gem->exec_bos[i] = NULL; } bufmgr_gem->exec_count = 0; + + return 0; } static int -dri_gem_pin(dri_bo *bo, uint32_t alignment) +dri_gem_bo_pin(dri_bo *bo, uint32_t alignment) { dri_bufmgr_gem *bufmgr_gem = (dri_bufmgr_gem *)bo->bufmgr; dri_bo_gem *bo_gem = (dri_bo_gem *)bo; @@ -794,7 +800,7 @@ dri_gem_pin(dri_bo *bo, uint32_t alignment) } static int -dri_gem_unpin(dri_bo *bo) +dri_gem_bo_unpin(dri_bo *bo) { dri_bufmgr_gem *bufmgr_gem = (dri_bufmgr_gem *)bo->bufmgr; dri_bo_gem *bo_gem = (dri_bo_gem *)bo; @@ -811,7 +817,7 @@ dri_gem_unpin(dri_bo *bo) } static int -dri_gem_set_tiling(dri_bo *bo, uint32_t *tiling_mode) +dri_gem_bo_set_tiling(dri_bo *bo, uint32_t *tiling_mode) { dri_bufmgr_gem *bufmgr_gem = (dri_bufmgr_gem *)bo->bufmgr; dri_bo_gem *bo_gem = (dri_bo_gem *)bo; @@ -832,7 +838,7 @@ dri_gem_set_tiling(dri_bo *bo, uint32_t *tiling_mode) } static int -dri_gem_flink(dri_bo *bo, uint32_t *name) +dri_gem_bo_flink(dri_bo *bo, uint32_t *name) { dri_bufmgr_gem *bufmgr_gem = (dri_bufmgr_gem *)bo->bufmgr; dri_bo_gem *bo_gem = (dri_bo_gem *)bo; @@ -910,16 +916,15 @@ intel_bufmgr_gem_init(int fd, int batch_size) bufmgr_gem->bufmgr.bo_subdata = dri_gem_bo_subdata; bufmgr_gem->bufmgr.bo_get_subdata = dri_gem_bo_get_subdata; bufmgr_gem->bufmgr.bo_wait_rendering = dri_gem_bo_wait_rendering; + bufmgr_gem->bufmgr.bo_emit_reloc = dri_gem_bo_emit_reloc; + bufmgr_gem->bufmgr.bo_pin = dri_gem_bo_pin; + bufmgr_gem->bufmgr.bo_unpin = dri_gem_bo_unpin; + bufmgr_gem->bufmgr.bo_set_tiling = dri_gem_bo_set_tiling; + bufmgr_gem->bufmgr.bo_flink = dri_gem_bo_flink; + bufmgr_gem->bufmgr.bo_exec = dri_gem_bo_exec; bufmgr_gem->bufmgr.destroy = dri_bufmgr_gem_destroy; - bufmgr_gem->bufmgr.process_relocs = dri_gem_process_reloc; - bufmgr_gem->bufmgr.post_submit = dri_gem_post_submit; bufmgr_gem->bufmgr.debug = 0; bufmgr_gem->bufmgr.check_aperture_space = dri_gem_check_aperture_space; - bufmgr_gem->intel_bufmgr.emit_reloc = dri_gem_emit_reloc; - bufmgr_gem->intel_bufmgr.pin = dri_gem_pin; - bufmgr_gem->intel_bufmgr.unpin = dri_gem_unpin; - bufmgr_gem->intel_bufmgr.set_tiling = dri_gem_set_tiling; - bufmgr_gem->intel_bufmgr.flink = dri_gem_flink; /* Initialize the linked lists for BO reuse cache. */ for (i = 0; i < INTEL_GEM_BO_BUCKETS; i++) bufmgr_gem->cache_bucket[i].tail = &bufmgr_gem->cache_bucket[i].head; @@ -927,67 +932,3 @@ intel_bufmgr_gem_init(int fd, int batch_size) return &bufmgr_gem->bufmgr; } -int -intel_bo_emit_reloc(dri_bo *reloc_buf, - uint32_t read_domains, uint32_t write_domain, - uint32_t delta, uint32_t offset, dri_bo *target_buf) -{ - struct intel_bufmgr *intel_bufmgr; - - intel_bufmgr = (struct intel_bufmgr *)(reloc_buf->bufmgr + 1); - - return intel_bufmgr->emit_reloc(reloc_buf, read_domains, write_domain, - delta, offset, target_buf); -} - -int -intel_bo_pin(dri_bo *bo, uint32_t alignment) -{ - struct intel_bufmgr *intel_bufmgr; - - intel_bufmgr = (struct intel_bufmgr *)(bo->bufmgr + 1); - - if (intel_bufmgr->pin) - return intel_bufmgr->pin(bo, alignment); - - return 0; -} - -int -intel_bo_unpin(dri_bo *bo) -{ - struct intel_bufmgr *intel_bufmgr; - - intel_bufmgr = (struct intel_bufmgr *)(bo->bufmgr + 1); - - if (intel_bufmgr->unpin) - return intel_bufmgr->unpin(bo); - - return 0; -} - -int intel_bo_set_tiling(dri_bo *bo, uint32_t *tiling_mode) -{ - struct intel_bufmgr *intel_bufmgr; - - intel_bufmgr = (struct intel_bufmgr *)(bo->bufmgr + 1); - - if (intel_bufmgr->set_tiling) - return intel_bufmgr->set_tiling (bo, tiling_mode); - - *tiling_mode = I915_TILING_NONE; - return 0; -} - -int intel_bo_flink(dri_bo *bo, uint32_t *name) -{ - struct intel_bufmgr *intel_bufmgr; - - intel_bufmgr = (struct intel_bufmgr *)(bo->bufmgr + 1); - - if (intel_bufmgr->flink) - return intel_bufmgr->flink (bo, name); - - return -ENODEV; -} - diff --git a/libdrm/intel/intel_bufmgr_priv.h b/libdrm/intel/intel_bufmgr_priv.h new file mode 100644 index 00000000..7f39bfc2 --- /dev/null +++ b/libdrm/intel/intel_bufmgr_priv.h @@ -0,0 +1,165 @@ +/* + * 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 _dri_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() to be used by the CPU, and validated for use using bo_validate() + * to be used from the graphics device. + */ + dri_bo *(*bo_alloc)(dri_bufmgr *bufmgr_ctx, const char *name, + unsigned long size, unsigned int alignment); + + /** Takes a reference on a buffer object */ + void (*bo_reference)(dri_bo *bo); + + /** + * Releases a reference on a buffer object, freeing the data if + * rerefences remain. + */ + void (*bo_unreference)(dri_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)(dri_bo *buf, int write_enable); + + /** Reduces the refcount on the userspace mapping of the buffer object. */ + int (*bo_unmap)(dri_bo *buf); + + /** + * Write data into an object. + * + * This is an optional function, if missing, + * dri_bo will map/memcpy/unmap. + */ + int (*bo_subdata) (dri_bo *buf, unsigned long offset, + unsigned long size, const void *data); + + /** + * Read data from an object + * + * This is an optional function, if missing, + * dri_bo will map/memcpy/unmap. + */ + int (*bo_get_subdata) (dri_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) (dri_bo *bo); + + /** + * Tears down the buffer manager instance. + */ + void (*destroy)(dri_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 reloc_buf Buffer to write the relocation into. + * \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. + * \param delta Constant value to be added to the relocation target's + * offset. + * \param offset Byte offset within batch_buf of the relocated pointer. + * \param target Buffer whose offset should be written into the relocation + * entry. + */ + int (*bo_emit_reloc)(dri_bo *reloc_buf, + uint32_t read_domains, uint32_t write_domain, + uint32_t delta, uint32_t offset, dri_bo *target); + + /** Executes the command buffer pointed to by bo. */ + int (*bo_exec)(dri_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) (dri_bo *buf, uint32_t alignment); + /** + * Unpin a buffer from the aperture, allowing it to be removed + * + * \param buf Buffer to unpin + */ + int (*bo_unpin) (dri_bo *buf); + /** + * 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) (dri_bo *bo, uint32_t *tiling_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) (dri_bo *buf, uint32_t *name); + + int (*check_aperture_space)(dri_bo **bo_array, int count); + int debug; /**< Enables verbose debugging printouts */ +}; + +#endif /* INTEL_BUFMGR_PRIV_H */ + diff --git a/libdrm/xf86drm.c b/libdrm/xf86drm.c index 64765339..94f5dfad 100644 --- a/libdrm/xf86drm.c +++ b/libdrm/xf86drm.c @@ -178,7 +178,7 @@ static char *drmStrdup(const char *s) * Call ioctl, restarting if it is interupted */ static int -drmIoctl(int fd, int request, void *arg) +drmIoctl(int fd, unsigned long request, void *arg) { int ret; @@ -300,6 +300,7 @@ static int drmOpenDevice(long dev, int minor, int type) group = (serv_group >= 0) ? serv_group : DRM_DEV_GID; } +#if !defined(UDEV) if (stat(DRM_DIR_NAME, &st)) { if (!isroot) return DRM_ERR_NOT_ROOT; @@ -320,6 +321,30 @@ static int drmOpenDevice(long dev, int minor, int type) chown(buf, user, group); chmod(buf, devmode); } +#else + /* if we modprobed then wait for udev */ + { + int udev_count = 0; +wait_for_udev: + if (stat(DRM_DIR_NAME, &st)) { + usleep(20); + udev_count++; + + if (udev_count == 50) + return -1; + goto wait_for_udev; + } + + if (stat(buf, &st)) { + usleep(20); + udev_count++; + + if (udev_count == 50) + return -1; + goto wait_for_udev; + } + } +#endif fd = open(buf, O_RDWR, 0); drmMsg("drmOpenDevice: open result is %d, (%s)\n", |