diff options
| author | Swapnil Patel <Swapnil.Patel@amd.com> | 2023-02-25 04:16:09 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-03-14 22:34:43 +0300 |
| commit | 932698c88dc414e36e0683fbf6cf551b928441ac (patch) | |
| tree | d185cb693a485e571a0b8cb258cc8662e1b3852c /drivers/gpu/drm/amd/display | |
| parent | 54c7b715b5efe405dfd5fdafcaf930214b9c1fa9 (diff) | |
| download | linux-932698c88dc414e36e0683fbf6cf551b928441ac.tar.xz | |
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: 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>
Diffstat (limited to 'drivers/gpu/drm/amd/display')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 92783cb97439..1629a750dc55 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -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( |