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drm/amd/display: Validate DSC caps on MST endpoints

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During MST mode enumeration, if a new dc_sink is created,
populate it with dsc caps as appropriate.

Use drm_dp_mst_dsc_aux_for_port to get the raw caps,
then parse them onto dc_sink with dc_dsc_parse_dsc_dpcd.

Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Signed-off-by: David Francis <David.Francis@amd.com>
Signed-off-by: Mikita Lipski <mikita.lipski@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
David Francis
2019-06-19 14:47:33 -04:00
committed by Alex Deucher
parent b6adc57cff
commit ec0ca697dd
2 changed files with 29 additions and 1 deletions
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1
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
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@@ -330,6 +330,7 @@ struct amdgpu_dm_connector {
struct drm_dp_mst_port *port;
struct amdgpu_dm_connector *mst_port;
struct amdgpu_encoder *mst_encoder;
struct drm_dp_aux *dsc_aux;
/* TODO see if we can merge with ddc_bus or make a dm_connector */
struct amdgpu_i2c_adapter *i2c;