diff options
Diffstat (limited to 'linux-core/radeon_buffer.c')
| -rw-r--r-- | linux-core/radeon_buffer.c | 453 |
1 files changed, 453 insertions, 0 deletions
diff --git a/linux-core/radeon_buffer.c b/linux-core/radeon_buffer.c new file mode 100644 index 00000000..f047b1ac --- /dev/null +++ b/linux-core/radeon_buffer.c @@ -0,0 +1,453 @@ +/************************************************************************** + * + * Copyright 2007 Dave Airlie + * 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: Dave Airlie <airlied@linux.ie> + */ + +#include "drmP.h" +#include "radeon_drm.h" +#include "radeon_drv.h" + +struct drm_ttm_backend *radeon_create_ttm_backend_entry(struct drm_device * dev) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + + if (dev_priv->flags & RADEON_IS_AGP) + return drm_agp_init_ttm(dev); + else + return ati_pcigart_init_ttm(dev, &dev_priv->gart_info, radeon_gart_flush); +} + +int radeon_fence_types(struct drm_buffer_object *bo, uint32_t * class, uint32_t * type) +{ + *class = 0; + *type = 1; + return 0; +} + +int radeon_invalidate_caches(struct drm_device * dev, uint64_t flags) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + RING_LOCALS; + + if (!dev_priv->cp_running) + return 0; + + BEGIN_RING(6); + RADEON_PURGE_CACHE(); + RADEON_PURGE_ZCACHE(); + RADEON_WAIT_UNTIL_3D_IDLE(); + ADVANCE_RING(); + COMMIT_RING(); + return 0; +} + +int radeon_init_mem_type(struct drm_device * dev, uint32_t type, + struct drm_mem_type_manager * man) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + + switch (type) { + case DRM_BO_MEM_LOCAL: + man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE | + _DRM_FLAG_MEMTYPE_CACHED; + man->drm_bus_maptype = 0; + break; + case DRM_BO_MEM_VRAM: + man->flags = _DRM_FLAG_MEMTYPE_FIXED | _DRM_FLAG_MEMTYPE_MAPPABLE | _DRM_FLAG_NEEDS_IOREMAP; + man->io_addr = NULL; + man->drm_bus_maptype = _DRM_FRAME_BUFFER; + man->io_offset = drm_get_resource_start(dev, 0); + man->io_size = drm_get_resource_len(dev, 0); + break; + case DRM_BO_MEM_TT: + if (dev_priv->flags & RADEON_IS_AGP) { + if (!(drm_core_has_AGP(dev) && dev->agp)) { + DRM_ERROR("AGP is not enabled for memory type %u\n", + (unsigned)type); + return -EINVAL; + } + man->io_offset = dev->agp->agp_info.aper_base; + man->io_size = dev->agp->agp_info.aper_size * 1024 * 1024; + man->io_addr = NULL; + man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE | + _DRM_FLAG_MEMTYPE_CSELECT | _DRM_FLAG_NEEDS_IOREMAP; + man->drm_bus_maptype = _DRM_AGP; + } else { + man->io_offset = dev_priv->gart_vm_start; + man->io_size = dev_priv->gart_size; + man->io_addr = NULL; + man->flags = _DRM_FLAG_MEMTYPE_CSELECT | _DRM_FLAG_MEMTYPE_MAPPABLE | _DRM_FLAG_MEMTYPE_CMA; + man->drm_bus_maptype = _DRM_SCATTER_GATHER; + } + break; + default: + DRM_ERROR("Unsupported memory type %u\n", (unsigned)type); + return -EINVAL; + } + return 0; +} + +void radeon_emit_copy_blit(struct drm_device * dev, + uint32_t src_offset, + uint32_t dst_offset, + uint32_t pages) +{ + uint32_t cur_pages; + uint32_t stride_bytes = PAGE_SIZE; + drm_radeon_private_t *dev_priv = dev->dev_private; + uint32_t format, pitch; + const uint32_t clip = (0x1fff) | (0x1fff << 16); + uint32_t stride_pixels; + RING_LOCALS; + + if (!dev_priv) + return; + + /* 32-bit copy format */ + format = RADEON_COLOR_FORMAT_ARGB8888; + + /* radeon limited to 16k stride */ + stride_bytes &= 0x3fff; + /* radeon pitch is /64 */ + pitch = stride_bytes / 64; + + stride_pixels = stride_bytes / 4; + + while(pages > 0) { + cur_pages = pages; + if (cur_pages > 8191) + cur_pages = 8191; + pages -= cur_pages; + + /* pages are in Y direction - height + page width in X direction - width */ + BEGIN_RING(10); + OUT_RING(CP_PACKET3(RADEON_CNTL_BITBLT_MULTI, 8)); + OUT_RING(RADEON_GMC_SRC_PITCH_OFFSET_CNTL | + RADEON_GMC_DST_PITCH_OFFSET_CNTL | + RADEON_GMC_SRC_CLIPPING | RADEON_GMC_DST_CLIPPING | + RADEON_GMC_BRUSH_NONE | + (format << 8) | + RADEON_GMC_SRC_DATATYPE_COLOR | + RADEON_ROP3_S | + RADEON_DP_SRC_SOURCE_MEMORY | + RADEON_GMC_CLR_CMP_CNTL_DIS | RADEON_GMC_WR_MSK_DIS); + OUT_RING((pitch << 22) | (src_offset >> 10)); + OUT_RING((pitch << 22) | (dst_offset >> 10)); + OUT_RING(clip); // SRC _SC BOT_RITE + OUT_RING(0); // SC_TOP_LEFT + OUT_RING(clip); // SC_BOT_RITE + + OUT_RING(pages); + OUT_RING(pages); /* x - y */ + OUT_RING(cur_pages | (stride_pixels << 16)); + ADVANCE_RING(); + } + + BEGIN_RING(6); + OUT_RING(CP_PACKET0(RADEON_RB2D_DSTCACHE_CTLSTAT, 0)); + OUT_RING(RADEON_RB2D_DC_FLUSH_ALL); + RADEON_WAIT_UNTIL_2D_IDLE(); + OUT_RING(CP_PACKET2()); + OUT_RING(CP_PACKET2()); + ADVANCE_RING(); + + COMMIT_RING(); + return; +} + +int radeon_move_blit(struct drm_buffer_object * bo, + int evict, int no_wait, struct drm_bo_mem_reg *new_mem, + struct drm_bo_mem_reg *old_mem) +{ + struct drm_device *dev = bo->dev; + drm_radeon_private_t *dev_priv = dev->dev_private; + uint32_t old_start, new_start; + + old_start = old_mem->mm_node->start << PAGE_SHIFT; + new_start = new_mem->mm_node->start << PAGE_SHIFT; + + if (old_mem->mem_type == DRM_BO_MEM_VRAM) + old_start += dev_priv->fb_location; + if (old_mem->mem_type == DRM_BO_MEM_TT) + old_start += dev_priv->gart_vm_start; + + if (new_mem->mem_type == DRM_BO_MEM_VRAM) + new_start += dev_priv->fb_location; + if (new_mem->mem_type == DRM_BO_MEM_TT) + new_start += dev_priv->gart_vm_start; + + radeon_emit_copy_blit(bo->dev, + old_start, + new_start, + new_mem->num_pages); + + /* invalidate the chip caches */ + + return drm_bo_move_accel_cleanup(bo, evict, no_wait, 0, + DRM_FENCE_TYPE_EXE, 0, + new_mem); +} + +void radeon_emit_solid_fill(struct drm_device * dev, + uint32_t dst_offset, + uint32_t pages, uint8_t value) +{ + uint32_t cur_pages; + uint32_t stride_bytes = PAGE_SIZE; + drm_radeon_private_t *dev_priv = dev->dev_private; + uint32_t format, pitch; + const uint32_t clip = (0x1fff) | (0x1fff << 16); + uint32_t stride_pixels; + RING_LOCALS; + + if (!dev_priv) + return; + + /* 32-bit copy format */ + format = RADEON_COLOR_FORMAT_ARGB8888; + + /* radeon limited to 16k stride */ + stride_bytes &= 0x3fff; + /* radeon pitch is /64 */ + pitch = stride_bytes / 64; + + stride_pixels = stride_bytes / 4; + + while(pages > 0) { + cur_pages = pages; + if (cur_pages > 8191) + cur_pages = 8191; + pages -= cur_pages; + + /* pages are in Y direction - height + page width in X direction - width */ + BEGIN_RING(8); + OUT_RING(CP_PACKET3(RADEON_CNTL_PAINT_MULTI, 6)); + OUT_RING(RADEON_GMC_DST_PITCH_OFFSET_CNTL | + RADEON_GMC_DST_CLIPPING | + RADEON_GMC_BRUSH_SOLID_COLOR | + (format << 8) | + RADEON_ROP3_P | + RADEON_CLR_CMP_SRC_SOURCE | + RADEON_GMC_CLR_CMP_CNTL_DIS | RADEON_GMC_WR_MSK_DIS); + OUT_RING((pitch << 22) | (dst_offset >> 10)); // PITCH + OUT_RING(0); // SC_TOP_LEFT // DST CLIPPING + OUT_RING(clip); // SC_BOT_RITE + + OUT_RING(0); // COLOR + + OUT_RING(pages); /* x - y */ + OUT_RING(cur_pages | (stride_pixels << 16)); + ADVANCE_RING(); + } + + BEGIN_RING(8); + OUT_RING(CP_PACKET0(RADEON_RB2D_DSTCACHE_CTLSTAT, 0)); + OUT_RING(RADEON_RB2D_DC_FLUSH_ALL); + RADEON_WAIT_UNTIL_2D_IDLE(); + OUT_RING(CP_PACKET2()); + OUT_RING(CP_PACKET2()); + OUT_RING(CP_PACKET2()); + OUT_RING(CP_PACKET2()); + ADVANCE_RING(); + + COMMIT_RING(); + return; +} + +int radeon_move_zero_fill(struct drm_buffer_object * bo, + int evict, int no_wait, struct drm_bo_mem_reg *new_mem) +{ + struct drm_device *dev = bo->dev; + drm_radeon_private_t *dev_priv = dev->dev_private; + uint32_t new_start; + + new_start = new_mem->mm_node->start << PAGE_SHIFT; + + if (new_mem->mem_type == DRM_BO_MEM_VRAM) + new_start += dev_priv->fb_location; + + radeon_emit_solid_fill(bo->dev, + new_start, + new_mem->num_pages, 0); + + /* invalidate the chip caches */ + + return drm_bo_move_accel_cleanup(bo, 1, no_wait, 0, + DRM_FENCE_TYPE_EXE, 0, + new_mem); +} + +static int radeon_move_flip(struct drm_buffer_object * bo, + int evict, int no_wait, struct drm_bo_mem_reg * new_mem) +{ + struct drm_device *dev = bo->dev; + struct drm_bo_mem_reg tmp_mem; + int ret; + + tmp_mem = *new_mem; + + /* if we are flipping into LOCAL memory we have no TTM so create one */ + if (new_mem->mem_type == DRM_BO_MEM_LOCAL) { + tmp_mem.mm_node = NULL; + tmp_mem.proposed_flags = DRM_BO_FLAG_MEM_TT; + + ret = drm_bo_mem_space(bo, &tmp_mem, no_wait); + if (ret) + return ret; + + ret = drm_ttm_bind(bo->ttm, &tmp_mem); + if (ret) + goto out_cleanup; + } + + ret = radeon_move_blit(bo, 1, no_wait, &tmp_mem, &bo->mem); + if (ret) + goto out_cleanup; + + if (new_mem->mem_type == DRM_BO_MEM_LOCAL) { + ret = drm_bo_move_ttm(bo, evict, no_wait, new_mem); + } else { + tmp_mem.mm_node = NULL; + new_mem->mm_node = NULL; + } + +out_cleanup: + if (tmp_mem.mm_node) { + mutex_lock(&dev->struct_mutex); + if (tmp_mem.mm_node != bo->pinned_node) + drm_mm_put_block(tmp_mem.mm_node); + tmp_mem.mm_node = NULL; + mutex_unlock(&dev->struct_mutex); + } + return ret; +} + +static int radeon_move_vram(struct drm_buffer_object * bo, + int evict, int no_wait, struct drm_bo_mem_reg * new_mem) +{ + struct drm_device *dev = bo->dev; + struct drm_bo_mem_reg tmp_mem; + struct drm_bo_mem_reg *old_mem = &bo->mem; + int ret; + + /* old - LOCAL memory node bo->mem + tmp - TT type memory node + new - VRAM memory node */ + + tmp_mem = *old_mem; + tmp_mem.mm_node = NULL; + + if (old_mem->mem_type == DRM_BO_MEM_LOCAL) { + tmp_mem.proposed_flags = DRM_BO_FLAG_MEM_TT; + + ret = drm_bo_mem_space(bo, &tmp_mem, no_wait); + if (ret) + return ret; + } + + if (!bo->ttm) { + ret = drm_bo_add_ttm(bo); + if (ret) + goto out_cleanup; + } + + if (old_mem->mem_type == DRM_BO_MEM_LOCAL) { + ret = drm_bo_move_ttm(bo, evict, no_wait, &tmp_mem); + if (ret) + return ret; + } + + ret = radeon_move_blit(bo, 1, no_wait, new_mem, &bo->mem); + if (ret) + goto out_cleanup; + +out_cleanup: + if (tmp_mem.mm_node) { + mutex_lock(&dev->struct_mutex); + if (tmp_mem.mm_node != bo->pinned_node) + drm_mm_put_block(tmp_mem.mm_node); + tmp_mem.mm_node = NULL; + mutex_unlock(&dev->struct_mutex); + } + return ret; +} + +int radeon_move(struct drm_buffer_object * bo, + int evict, int no_wait, struct drm_bo_mem_reg *new_mem) +{ + struct drm_device *dev = bo->dev; + drm_radeon_private_t *dev_priv = dev->dev_private; + + if (!dev_priv->cp_running) + goto fallback; + + if (bo->mem.flags & DRM_BO_FLAG_CLEAN) /* need to implement solid fill */ + { + if (radeon_move_zero_fill(bo, evict, no_wait, new_mem)) + return drm_bo_move_zero(bo, evict, no_wait, new_mem); + return 0; + } + + if (new_mem->mem_type == DRM_BO_MEM_VRAM) { + if (radeon_move_vram(bo, evict, no_wait, new_mem)) + goto fallback; + } else { + if (radeon_move_flip(bo, evict, no_wait, new_mem)) + goto fallback; + } + return 0; +fallback: + if (bo->mem.flags & DRM_BO_FLAG_CLEAN) + return drm_bo_move_zero(bo, evict, no_wait, new_mem); + else + return drm_bo_move_memcpy(bo, evict, no_wait, new_mem); +} + + +/* + * i915_evict_flags: + * + * @bo: the buffer object to be evicted + * + * Return the bo flags for a buffer which is not mapped to the hardware. + * These will be placed in proposed_flags so that when the move is + * finished, they'll end up in bo->mem.flags + */ +uint64_t radeon_evict_flags(struct drm_buffer_object *bo) +{ + switch (bo->mem.mem_type) { + case DRM_BO_MEM_LOCAL: + case DRM_BO_MEM_TT: + return DRM_BO_FLAG_MEM_LOCAL; + default: + return DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_MEM_LOCAL; + } +} |