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authorTom Chung <[email protected]>2023-05-29 18:00:09 +0800
committerAlex Deucher <[email protected]>2023-06-13 17:14:52 -0400
commitea2062dd1f0384ae1b136d333ee4ced15bedae38 (patch)
treef0a6be86f8e2f1e17f57d9d579eb21eeab80cc19
parente749dd10e5f292061ad63d2b030194bf7d7d452c (diff)
drm/amd/display: fix the system hang while disable PSR
[Why] When the PSR enabled. If you try to adjust the timing parameters, it may cause system hang. Because the timing mismatch with the DMCUB settings. [How] Disable the PSR before adjusting timing parameters. Cc: Mario Limonciello <[email protected]> Cc: Alex Deucher <[email protected]> Cc: [email protected] Acked-by: Stylon Wang <[email protected]> Signed-off-by: Tom Chung <[email protected]> Reviewed-by: Wayne Lin <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 2b8d42de1f73..7acd73e5004f 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -8204,6 +8204,12 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
if (acrtc_state->abm_level != dm_old_crtc_state->abm_level)
bundle->stream_update.abm_level = &acrtc_state->abm_level;
+ mutex_lock(&dm->dc_lock);
+ if ((acrtc_state->update_type > UPDATE_TYPE_FAST) &&
+ acrtc_state->stream->link->psr_settings.psr_allow_active)
+ amdgpu_dm_psr_disable(acrtc_state->stream);
+ mutex_unlock(&dm->dc_lock);
+
/*
* If FreeSync state on the stream has changed then we need to
* re-adjust the min/max bounds now that DC doesn't handle this
@@ -8217,10 +8223,6 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
spin_unlock_irqrestore(&pcrtc->dev->event_lock, flags);
}
mutex_lock(&dm->dc_lock);
- if ((acrtc_state->update_type > UPDATE_TYPE_FAST) &&
- acrtc_state->stream->link->psr_settings.psr_allow_active)
- amdgpu_dm_psr_disable(acrtc_state->stream);
-
update_planes_and_stream_adapter(dm->dc,
acrtc_state->update_type,
planes_count,