If the CRTC is going from enabled to disabled and it is a port sync
slave, it needs to check to the old state to be disabled before the
port sync master.
Cc: Manasi Navare <manasi.d.nav...@intel.com>
Cc: Matt Roper <matthew.d.ro...@intel.com>
Cc: Maarten Lankhorst <maarten.lankho...@linux.intel.com>
Cc: Ville Syrjälä <ville.syrj...@linux.intel.com>
Signed-off-by: José Roberto de Souza <jose.so...@intel.com>
---
drivers/gpu/drm/i915/display/intel_display.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_display.c
b/drivers/gpu/drm/i915/display/intel_display.c
index 1b1fbb6d8acc..801b975c7d39 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -14460,9 +14460,9 @@ static void intel_commit_modeset_disables(struct
intel_atomic_state *state)
* slave CRTCs are disabled first and then master CRTC since
* Slave vblanks are masked till Master Vblanks.
*/
- if (!is_trans_port_sync_mode(new_crtc_state))
+ if (!is_trans_port_sync_mode(old_crtc_state))
continue;
- if (is_trans_port_sync_master(new_crtc_state))
+ if (is_trans_port_sync_master(old_crtc_state))
continue;
intel_pre_plane_update(old_crtc_state, new_crtc_state);
--
2.24.0
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