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| author | Samuel Li <Samuel.Li@amd.com> | 2017-12-08 16:18:59 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-02-19 14:17:41 -0500 |
| commit | 09052fc3769c98e1ce1c4f3398da8201548fc449 (patch) | |
| tree | 3e0458c399b494996ed5268fc2969bb36419b8c7 /drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | |
| parent | 6e227308a91db544c6f91edcf37c56764db2ae47 (diff) | |
| download | lwn-09052fc3769c98e1ce1c4f3398da8201548fc449.tar.gz lwn-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 <Samuel.Li@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index d96f9ac9e5fd..0bb34db265ec 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -870,7 +870,7 @@ static struct drm_driver kms_driver = { .prime_handle_to_fd = drm_gem_prime_handle_to_fd, .prime_fd_to_handle = drm_gem_prime_fd_to_handle, .gem_prime_export = amdgpu_gem_prime_export, - .gem_prime_import = drm_gem_prime_import, + .gem_prime_import = amdgpu_gem_prime_import, .gem_prime_pin = amdgpu_gem_prime_pin, .gem_prime_unpin = amdgpu_gem_prime_unpin, .gem_prime_res_obj = amdgpu_gem_prime_res_obj, |