diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c')
| -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( |