Patch "drm/amd/display: Fix tiled display misalignment" has been added to the 6.7-stable tree

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



This is a note to let you know that I've just added the patch titled

    drm/amd/display: Fix tiled display misalignment

to the 6.7-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     drm-amd-display-fix-tiled-display-misalignment.patch
and it can be found in the queue-6.7 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit ba9b96c53ce5b104d5977b2e36a15c74ff9efc3d
Author: Meenakshikumar Somasundaram <meenakshikumar.somasundaram@xxxxxxx>
Date:   Thu Nov 9 00:04:36 2023 -0500

    drm/amd/display: Fix tiled display misalignment
    
    [ Upstream commit c4b8394e76adba4f50a3c2696c75b214a291e24a ]
    
    [Why]
    When otg workaround is applied during clock update, otgs of
    tiled display went out of sync.
    
    [How]
    To call dc_trigger_sync() after clock update to sync otgs again.
    
    Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx>
    Acked-by: Hamza Mahfooz <hamza.mahfooz@xxxxxxx>
    Signed-off-by: Meenakshikumar Somasundaram <meenakshikumar.somasundaram@xxxxxxx>
    Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index bc098098345c..bbdeda489768 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -1964,6 +1964,10 @@ static enum dc_status dc_commit_state_no_check(struct dc *dc, struct dc_state *c
 		wait_for_no_pipes_pending(dc, context);
 		/* pplib is notified if disp_num changed */
 		dc->hwss.optimize_bandwidth(dc, context);
+		/* Need to do otg sync again as otg could be out of sync due to otg
+		 * workaround applied during clock update
+		 */
+		dc_trigger_sync(dc, context);
 	}
 
 	if (dc->hwss.update_dsc_pg)




[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux