Commit 932698c8 authored by Swapnil Patel's avatar Swapnil Patel Committed by Alex Deucher
Browse files

drm/amd/display: default values for luminance range if they are 0 



[why]
Currently if invalid luminescence range is reported in edid,
then the driver doesn't have default range to fallback to.

[How]
Add default range if, the range is 0.

Reviewed-by: default avatarRoman Li <Roman.Li@amd.com>
Acked-by: default avatarQingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: default avatarSwapnil Patel <Swapnil.Patel@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 54c7b715

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

+8 −2
Original line number Diff line number Diff line
@@ -3007,8 +3007,14 @@ static void update_connector_ext_caps(struct amdgpu_dm_connector *aconnector) 
		caps->aux_support = true;



	luminance_range = &conn_base->display_info.luminance_range;



	if (luminance_range->max_luminance) {

		caps->aux_min_input_signal = luminance_range->min_luminance;

		caps->aux_max_input_signal = luminance_range->max_luminance;

	} else {

		caps->aux_min_input_signal = 0;

		caps->aux_max_input_signal = 512;

	}

}



void amdgpu_dm_update_connector_after_detect(