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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Jun 2024 16:16:24.9242 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: a45ae37b-ba61-42b6-ee69-08dc91445505 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CH2PEPF00000099.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV2PR12MB5869 From: TungYu Lu [WHY] Tiled displays showed not aligned on 8K60hz when system resumed from S3/S4. [HOW] Do dc_trigger_sync to re-sync pipes to ensure OTG become synced. Reviewed-by: Alvin Lee Cc: Mario Limonciello Cc: Alex Deucher Cc: stable@vger.kernel.org Acked-by: Alex Hung Signed-off-by: TungYu Lu --- drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c index bdbb4a71651f..fe62478fbcde 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c @@ -1254,6 +1254,8 @@ void dcn32_resync_fifo_dccg_dio(struct dce_hwseq *hws, struct dc *dc, struct dc_ pipe->stream_res.tg->funcs->enable_crtc(pipe->stream_res.tg); } } + + dc_trigger_sync(dc, dc->current_state); } void dcn32_unblank_stream(struct pipe_ctx *pipe_ctx, -- 2.34.1