diff options
| author | Martin Tsai <martin.tsai@amd.com> | 2024-02-02 09:39:29 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-02-15 01:15:09 +0300 |
| commit | bfeefe6ea5f18cabb8fda55364079573804623f9 (patch) | |
| tree | 261ea038dbb248a5c4ed41905e67924aa0a3b92b /drivers | |
| parent | ae3986e7276df8fe1298bab01e66807c2a33fc01 (diff) | |
| download | linux-bfeefe6ea5f18cabb8fda55364079573804623f9.tar.xz | |
drm/amd/display: should support dmub hw lock on Replay
[Why]
Without acquiring DMCUB hw lock, a race condition is caused with
Panel Replay feature, which will trigger a hang. Indicate that a
lock is necessary to prevent this when replay feature is enabled.
[How]
To allow dmub hw lock on Replay.
Reviewed-by: Robin Chen <robin.chen@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Martin Tsai <martin.tsai@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c b/drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c index ba1fec3016d5..bf636b28e3e1 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c @@ -65,5 +65,9 @@ bool should_use_dmub_lock(struct dc_link *link) { if (link->psr_settings.psr_version == DC_PSR_VERSION_SU_1) return true; + + if (link->replay_settings.replay_feature_enabled) + return true; + return false; } |