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| author | Samuel Li <[email protected]> | 2017-12-08 21:18:59 +0000 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2018-02-19 19:17:41 +0000 |
| commit | 09052fc3769c98e1ce1c4f3398da8201548fc449 (patch) | |
| tree | 3e0458c399b494996ed5268fc2969bb36419b8c7 /drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h | |
| parent | drm/amd/display: Enable VM support only on APUs newer than CZ (diff) | |
| download | kernel-09052fc3769c98e1ce1c4f3398da8201548fc449.tar.gz kernel-09052fc3769c98e1ce1c4f3398da8201548fc449.zip | |
drm/amdgpu: Move to gtt before cpu accesses dma buf.
To improve cpu read performance. This is implemented for APUs currently.
v2: Adapt to change https://lists.freedesktop.org/archives/amd-gfx/2017-October/015174.html
v3: Adapt to change "forward begin_cpu_access callback to drivers"
v4: Instead of v3, reuse drm_gem dmabuf_ops here. Also some minor fixes as suggested.
v5: only set dma_buf ops when it is valid (Samuel)
Signed-off-by: Samuel Li <[email protected]>
Reviewed-by: Christian König <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h')
0 files changed, 0 insertions, 0 deletions