diff options
| author | Mikita Lipski <mikita.lipski@amd.com> | 2017-12-18 10:34:56 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-02-19 14:17:21 -0500 |
| commit | 03736f4cf83cb03aa6bdbc768941a4148d9b929c (patch) | |
| tree | 2fe988288860e48f279ea1484994031a61cacc14 /drivers/gpu/drm/amd/display | |
| parent | 3bc4aaa95204669e39b22849f2f0eb38f0212fc2 (diff) | |
drm/amd/display: Prevent master programming in multisync
Verify that the stream is master - and program only the slave displays
Signed-off-by: Mikita Lipski <mikita.lipski@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc.c | 4 | ||||
| -rw-r--r-- | 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 cf3518f9a6ed..bb1872782fb5 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -2348,7 +2348,7 @@ 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"); |