bybrooklyn/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-04-26 02:22:28 -04:00
Code Issues Packages Projects Releases Wiki Activity

drm/amd/display: Fix DSC force enable on SST

Browse Source 
[why]
Previously when force enabling DSC on SST display we unknowingly
supressed lane count, which caused DSC to be enabled automatically.

[how]
By adding an additional flag to force enable DSC in dc_dsc.c DSC can
always be enabled with debugfs dsc_clock_en forced to 1

Cc: stable@vger.kernel.org
Signed-off-by: Eryk Brol <eryk.brol@amd.com>
Signed-off-by: Mikita Lipski <mikita.lipski@amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Eryk Brol
2020-06-19 14:42:09 -04:00
committed by Alex Deucher
parent 4bb23a5446
commit bcc6aa61c8
3 changed files with 21 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
View File

@@ -4646,6 +4646,9 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector,
#if defined(CONFIG_DRM_AMD_DC_DCN)
if (dsc_caps.is_dsc_supported) {
/* Set DSC policy according to dsc_clock_en */
dc_dsc_policy_set_enable_dsc_when_not_needed(aconnector->dsc_settings.dsc_clock_en);
if (dc_dsc_compute_config(aconnector->dc_link->ctx->dc->res_pool->dscs[0],
&dsc_caps,
aconnector->dc_link->ctx->dc->debug.dsc_min_slice_height_override,