diff options
| author | Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> | 2020-05-07 13:35:41 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-05-28 14:00:48 -0400 |
| commit | 562c805f83d251201abc776341fa3ba0521d3f13 (patch) | |
| tree | 8ff2f9ac82b04e3c589d162bb8e517e0ff58a555 /drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h | |
| parent | 455802c72faf7524e05295bde564728f10e94d1c (diff) | |
drm/amd/display: Support CW4 for DMUB ringbuffer inbox
[Why]
Region 4 is non cacheable and slower than using cache window 4.
[How]
Check the firmware version to determine how we should program the
base address and memory windows.
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h')
0 files changed, 0 insertions, 0 deletions