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drm/radeon: Fall back to evicting BOs with memcpy if necessary.

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Otherwise if there's no GTT space we would fail the eviction, leading to
cascaded failure.

Signed-off-by: Michel Dänzer <daenzer@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Michel Dänzer 2009-07-28 12:30:56 +02:00 committed by Dave Airlie
parent e46074effd
commit 1ab2e10599
1 changed files with 9 additions and 6 deletions
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15
drivers/gpu/drm/radeon/radeon_ttm.c
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@ -355,23 +355,26 @@ static int radeon_bo_move(struct ttm_buffer_object *bo,
if (!rdev->cp.ready) {
/* use memcpy */
DRM_ERROR("CP is not ready use memcpy.\n");
return ttm_bo_move_memcpy(bo, evict, no_wait, new_mem);
goto memcpy;
}
if (old_mem->mem_type == TTM_PL_VRAM &&
new_mem->mem_type == TTM_PL_SYSTEM) {
return radeon_move_vram_ram(bo, evict, interruptible,
r = radeon_move_vram_ram(bo, evict, interruptible,
no_wait, new_mem);
} else if (old_mem->mem_type == TTM_PL_SYSTEM &&
new_mem->mem_type == TTM_PL_VRAM) {
return radeon_move_ram_vram(bo, evict, interruptible,
r = radeon_move_ram_vram(bo, evict, interruptible,
no_wait, new_mem);
} else {
r = radeon_move_blit(bo, evict, no_wait, new_mem, old_mem);
if (unlikely(r)) {
return r;
}
}
if (r) {
memcpy:
r = ttm_bo_move_memcpy(bo, evict, no_wait, new_mem);
}
return r;
}