From: Mikita Lipski <mikita.lipski@xxxxxxx> Verify that the stream is master - and program only the slave displays Signed-off-by: Mikita Lipski <mikita.lipski at amd.com> Reviewed-by: Tony Cheng <Tony.Cheng at amd.com> Acked-by: Harry Wentland <harry.wentland at amd.com> --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 +- drivers/gpu/drm/amd/display/dc/core/dc.c | 4 +++- drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c | 2 +- 3 files changed, 5 insertions(+), 3 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 8f3b06aaafd4..f0b9660658fb 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -2353,7 +2353,7 @@ static void set_master_stream(struct dc_stream_state *stream_set[], } } for (j = 0; j < stream_count; j++) { - if (stream_set[j] && j != master_stream) + if (stream_set[j]) stream_set[j]->triggered_crtc_reset.event_source = stream_set[master_stream]; } } diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 59ad71a8ced0..7938c1746841 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -521,11 +521,13 @@ static void enable_timing_multisync( if (!ctx->res_ctx.pipe_ctx[i].stream || !ctx->res_ctx.pipe_ctx[i].stream->triggered_crtc_reset.enabled) continue; + if (ctx->res_ctx.pipe_ctx[i].stream == ctx->res_ctx.pipe_ctx[i].stream->triggered_crtc_reset.event_source) + continue; multisync_pipes[multisync_count] = &ctx->res_ctx.pipe_ctx[i]; multisync_count++; } - if (multisync_count > 1) { + if (multisync_count > 0) { dc->hwss.enable_per_frame_crtc_position_reset( dc, multisync_count, multisync_pipes); } diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c index 52e31e798921..0f5a22e3a491 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c @@ -1097,7 +1097,7 @@ static void dcn10_enable_per_frame_crtc_position_reset( DC_SYNC_INFO("Waiting for trigger\n"); - for (i = 1; i < group_size; i++) + for (i = 0; i < group_size; i++) wait_for_reset_trigger_to_occur(dc_ctx, grouped_pipes[i]->stream_res.tg); DC_SYNC_INFO("Multi-display sync is complete\n"); -- 2.14.1