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

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[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: Roman Li <Roman.Li@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Swapnil Patel <Swapnil.Patel@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Swapnil Patel 2023-02-24 20:16:09 -05:00 committed by Alex Deucher
parent 54c7b715b5
commit 932698c88d
1 changed files with 8 additions and 2 deletions
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10
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@ -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;
caps->aux_min_input_signal = luminance_range->min_luminance;
caps->aux_max_input_signal = luminance_range->max_luminance;
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(