Am 26.01.2016 um 08:40 schrieb Michel Dänzer:
From: Michel Dänzer <michel.daen...@amd.com>
Failing to do this was resulting in the kernel driver unnecessarily
leaving open the possibility of CPU access to tiled BOs.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=93862
(This change shouldn't be backported to stable branches, because
released versions of xf86-video-amdgpu unnecessarily try to map the
front buffer)
Signed-off-by: Michel Dänzer <michel.daen...@amd.com>
For those two Reviewed-by: Christian König <christian.koe...@amd.com>.
---
src/gallium/winsys/amdgpu/drm/amdgpu_bo.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/src/gallium/winsys/amdgpu/drm/amdgpu_bo.c
b/src/gallium/winsys/amdgpu/drm/amdgpu_bo.c
index 30a1aa8..1e997d9 100644
--- a/src/gallium/winsys/amdgpu/drm/amdgpu_bo.c
+++ b/src/gallium/winsys/amdgpu/drm/amdgpu_bo.c
@@ -292,6 +292,8 @@ static struct amdgpu_winsys_bo *amdgpu_create_bo(struct
amdgpu_winsys *ws,
request.preferred_heap |= AMDGPU_GEM_DOMAIN_VRAM;
if (flags & RADEON_FLAG_CPU_ACCESS)
request.flags |= AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
+ if (flags & RADEON_FLAG_NO_CPU_ACCESS)
+ request.flags |= AMDGPU_GEM_CREATE_NO_CPU_ACCESS;
}
if (initial_domain & RADEON_DOMAIN_GTT) {
request.preferred_heap |= AMDGPU_GEM_DOMAIN_GTT;
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