diff options
| author | Chiawen Huang <chiawen.huang@amd.com> | 2020-09-25 10:54:50 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-09-29 16:08:44 -0400 |
| commit | ba578afd5a4f6139ffe564f07575875ca51a0f4f (patch) | |
| tree | 9feea5db2abf55b0a75907757aab4bb08846ad40 /drivers/gpu/drm/amd/display/dc/dce110 | |
| parent | 89b151ade71495ebe2e48923812571e8e6a92918 (diff) | |
drm/amd/display: disable stream if pixel clock changed with link active
[Why]
Vbios uses preferred timing to turn on edp but OS could use other
timing. If change pixel clock when link active, there is unexpected
garbage on monitor.
[How]
Once pixel clock changed, the driver needs to disable stream.
Signed-off-by: Chiawen Huang <chiawen.huang@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce110')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c index 27a1262a20f6..c73768ed250e 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -1654,7 +1654,7 @@ void dce110_enable_accelerated_mode(struct dc *dc, struct dc_state *context) // enable fastboot if backend is enabled on eDP if (edp_link->link_enc->funcs->is_dig_enabled(edp_link->link_enc)) { /* Set optimization flag on eDP stream*/ - if (edp_stream) { + if (edp_stream && edp_link->link_status.link_active) { edp_stream->apply_edp_fast_boot_optimization = true; can_apply_edp_fast_boot = true; } |