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authorAlex Deucher <alexander.deucher@amd.com>2014-08-28 10:59:05 -0400
committerAlex Deucher <alexander.deucher@amd.com>2014-09-10 11:29:46 -0400
commitf266f04d33e5265e2f61ffc9d2b2f97214804995 (patch)
tree845df643f57e29098fa63f5fd1a844d424a6362f /drivers/gpu/drm/radeon/radeon_object.c
parentb76ee67a23e83bdad3e25def116c031eb007904d (diff)
drm/radeon: add RADEON_GEM_NO_CPU_ACCESS BO creation flag (v4)
Allows pinning of buffers in the non-CPU visible portion of vram. v2: incorporate Michel's comments. v3: rebase on Michel's patch v4: rebase on Michel's v2 patch Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_object.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_object.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index 3dbbd65336d5..8abee5fa93bd 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -313,6 +313,7 @@ int radeon_bo_pin_restricted(struct radeon_bo *bo, u32 domain, u64 max_offset,
for (i = 0; i < bo->placement.num_placement; i++) {
/* force to pin into visible video ram */
if ((bo->placements[i].flags & TTM_PL_FLAG_VRAM) &&
+ !(bo->flags & RADEON_GEM_NO_CPU_ACCESS) &&
(!max_offset || max_offset > bo->rdev->mc.visible_vram_size))
bo->placements[i].lpfn =
bo->rdev->mc.visible_vram_size >> PAGE_SHIFT;