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drm/amd/display: Default max bpc to 16 for eDP 

[Why]
Some 10bit eDP panels don't lightup after we cap bpc to 8.

[How]
Set default max_bpc to 16 for edp connector type.

Signed-off-by: Roman Li <roman.li@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Roman Li 2019-11-22 10:58:10 -05:00 committed by Alex Deucher
parent b9f1246df1
commit 4a8ca46bae
1 changed files with 3 additions and 3 deletions
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6
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@ -5561,9 +5561,9 @@ void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm,
drm_connector_attach_max_bpc_property(&aconnector->base, 8, 16);
/* This defaults to the max in the range, but we want 8bpc. */
aconnector->base.state->max_bpc = 8;
aconnector->base.state->max_requested_bpc = 8;
/* This defaults to the max in the range, but we want 8bpc for non-edp. */
aconnector->base.state->max_bpc = (connector_type == DRM_MODE_CONNECTOR_eDP) ? 16 : 8;
aconnector->base.state->max_requested_bpc = aconnector->base.state->max_bpc;
if (connector_type == DRM_MODE_CONNECTOR_eDP &&
dc_is_dmcu_initialized(adev->dm.dc)) {