6.9-stable review patch. If anyone has any objections, please let me know.
------------------
From: Roman Li <roman.li@xxxxxxx>
commit e2654a4453ba3dac9baacf9980d841d84e15b869 upstream.
[Why]
Disable idle optimization for each atomic commit is unnecessary,
and can lead to a potential race condition.
[How]
Remove idle optimization check from amdgpu_dm_atomic_commit_tail()
Fixes: 196107eb1e15 ("drm/amd/display: Add IPS checks before dcn register access")
Cc: stable@xxxxxxxxxxxxxxx
Reviewed-by: Hamza Mahfooz <hamza.mahfooz@xxxxxxx>
Acked-by: Roman Li <roman.li@xxxxxxx>
Signed-off-by: Roman Li <roman.li@xxxxxxx>
Tested-by: Daniel Wheeler <daniel.wheeler@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 3 ---
1 file changed, 3 deletions(-)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -9149,9 +9149,6 @@ static void amdgpu_dm_atomic_commit_tail
trace_amdgpu_dm_atomic_commit_tail_begin(state);
- if (dm->dc->caps.ips_support && dm->dc->idle_optimizations_allowed)
- dc_allow_idle_optimizations(dm->dc, false);
-
drm_atomic_helper_update_legacy_modeset_state(dev, state);
drm_dp_mst_atomic_wait_for_dependencies(state);
