diff options
| author |   Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> | 2024-01-12 10:06:15 -0500 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2024-01-29 15:41:36 -0500 |
| commit | 2812b5add41ea1b608923d5fb6a0d4f5b0d3186c (patch) | |
| tree | 88b0151e67a08cea1eb0ce8e1a4101baaff94984 /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c | |
| parent | drm/amd/display: Wait before sending idle allow and after idle disallow (diff) | |
| download | linux-rng-2812b5add41ea1b608923d5fb6a0d4f5b0d3186c.tar.xz linux-rng-2812b5add41ea1b608923d5fb6a0d4f5b0d3186c.zip | |
drm/amd/display: Wait for mailbox ready when powering up DMCUB
[Why]
Otherwise we can send commands too early and they don't execute until
the next command is sent.
[How]
Check the extra status bit when polling for HW powered up.
Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c')
0 files changed, 0 insertions, 0 deletions