diff options
Diffstat (limited to 'linux-core')
| -rw-r--r-- | linux-core/radeon_buffer.c | 134 |
1 files changed, 132 insertions, 2 deletions
diff --git a/linux-core/radeon_buffer.c b/linux-core/radeon_buffer.c index 67e6c585..611d0d6a 100644 --- a/linux-core/radeon_buffer.c +++ b/linux-core/radeon_buffer.c @@ -1,6 +1,6 @@ /************************************************************************** * - * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA + * Copyright 2007 Dave Airlie * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a @@ -26,7 +26,7 @@ * **************************************************************************/ /* - * Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com> + * Authors: Dave Airlie <airlied@linux.ie> */ #include "drmP.h" @@ -87,6 +87,14 @@ int radeon_init_mem_type(drm_device_t * dev, uint32_t type, _DRM_FLAG_MEMTYPE_CACHED; man->drm_bus_maptype = 0; break; + case DRM_BO_MEM_VRAM: + man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE | + _DRM_FLAG_MEMTYPE_FIXED | _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)) { @@ -115,6 +123,122 @@ int radeon_init_mem_type(drm_device_t * dev, uint32_t type, return 0; } +static void radeon_emit_copy_blit(drm_device_t * dev, + uint32_t src_offset, + uint32_t dst_offset, + uint32_t pages, int direction) +{ + uint32_t cur_pages; + uint32_t stride = PAGE_SIZE; + drm_radeon_private_t *dev_priv = dev->dev_private; + uint32_t format, height; + RING_LOCALS; + + if (!dev_priv) + return; + + /* 32-bit copy format */ + format = RADEON_COLOR_FORMAT_ARGB8888; + + /* radeon limited to 16k stride */ + stride &= 0x3fff; + while(pages > 0) { + cur_pages = pages; + if (cur_pages > 2048) + cur_pages = 2048; + pages -= cur_pages; + + /* needs verification */ + BEGIN_RING(7); + OUT_RING(CP_PACKET3(RADEON_CNTL_BITBLT_MULTI, 5)); + OUT_RING(RADEON_GMC_SRC_PITCH_OFFSET_CNTL | + RADEON_GMC_DST_PITCH_OFFSET_CNTL | + 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); + if (direction) { + OUT_RING((stride << 22) | (src_offset >> 10)); + OUT_RING((stride << 22) | (dst_offset >> 10)); + } else { + OUT_RING((stride << 22) | (dst_offset >> 10)); + OUT_RING((stride << 22) | (src_offset >> 10)); + } + OUT_RING(0); + OUT_RING(pages); /* x - y */ + OUT_RING((stride << 16) | cur_pages); + ADVANCE_RING(); + } + + BEGIN_RING(2); + RADEON_WAIT_UNTIL_2D_IDLE(); + ADVANCE_RING(); + + return; +} + +static int radeon_move_blit(drm_buffer_object_t * bo, + int evict, int no_wait, drm_bo_mem_reg_t *new_mem) +{ + drm_bo_mem_reg_t *old_mem = &bo->mem; + int dir = 0; + + if ((old_mem->mem_type == new_mem->mem_type) && + (new_mem->mm_node->start < + old_mem->mm_node->start + old_mem->mm_node->size)) { + dir = 1; + } + + radeon_emit_copy_blit(bo->dev, + old_mem->mm_node->start << PAGE_SHIFT, + new_mem->mm_node->start << PAGE_SHIFT, + new_mem->num_pages, dir); + + + return drm_bo_move_accel_cleanup(bo, evict, no_wait, 0, + DRM_FENCE_TYPE_EXE | + DRM_RADEON_FENCE_TYPE_RW, + DRM_RADEON_FENCE_FLAG_FLUSHED, new_mem); +} + +static int radeon_move_flip(drm_buffer_object_t * bo, + int evict, int no_wait, drm_bo_mem_reg_t * new_mem) +{ + drm_device_t *dev = bo->dev; + drm_bo_mem_reg_t tmp_mem; + int ret; + + tmp_mem = *new_mem; + tmp_mem.mm_node = NULL; + tmp_mem.mask = DRM_BO_FLAG_MEM_TT | + DRM_BO_FLAG_CACHED | DRM_BO_FLAG_FORCE_CACHING; + + ret = drm_bo_mem_space(bo, &tmp_mem, no_wait); + if (ret) + return ret; + + ret = drm_bind_ttm(bo->ttm, 1, tmp_mem.mm_node->start); + if (ret) + goto out_cleanup; + + ret = radeon_move_blit(bo, 1, no_wait, &tmp_mem); + if (ret) + goto out_cleanup; + + ret = drm_bo_move_ttm(bo, evict, no_wait, new_mem); +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(drm_buffer_object_t * bo, int evict, int no_wait, drm_bo_mem_reg_t * new_mem) { @@ -123,6 +247,12 @@ int radeon_move(drm_buffer_object_t * bo, DRM_DEBUG("\n"); if (old_mem->mem_type == DRM_BO_MEM_LOCAL) { return drm_bo_move_memcpy(bo, evict, no_wait, new_mem); + } else if (new_mem->mem_type == DRM_BO_MEM_LOCAL) { + if (radeon_move_flip(bo, evict, no_wait, new_mem)) + return drm_bo_move_memcpy(bo, evict, no_wait, new_mem); + } else { + if (radeon_move_blit(bo, evict, no_wait, new_mem)) + return drm_bo_move_memcpy(bo, evict, no_wait, new_mem); } return 0; } |