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

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[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

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3

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

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3

drivers/gpu/drm/amd/display/dc/dc_dsc.h

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16

drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c

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