diff options
| author | Mario Limonciello <[email protected]> | 2025-06-19 14:29:13 +0000 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2025-06-30 15:59:09 +0000 |
| commit | 51496c7737d06a74b599d0aa7974c3d5a4b1162e (patch) | |
| tree | 5ecebd3eaf9c04e7306e12bf75c06e062f8d11d9 | |
| parent | drm/amd/display: Added case for when RR equals panel's max RR using freesync (diff) | |
| download | kernel-51496c7737d06a74b599d0aa7974c3d5a4b1162e.tar.gz kernel-51496c7737d06a74b599d0aa7974c3d5a4b1162e.zip | |
drm/amd/display: Don't allow OLED to go down to fully off
[Why]
OLED panels can be fully off, but this behavior is unexpected.
[How]
Ensure that minimum luminance is at least 1.
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4338
Reviewed-by: Alex Hung <[email protected]>
Signed-off-by: Mario Limonciello <[email protected]>
Signed-off-by: Ray Wu <[email protected]>
Tested-by: Daniel Wheeler <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 12 |
1 files changed, 7 insertions, 5 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 9310cb7629a2..3dd4f9e9931d 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -3644,13 +3644,15 @@ static void update_connector_ext_caps(struct amdgpu_dm_connector *aconnector) luminance_range = &conn_base->display_info.luminance_range; - if (luminance_range->max_luminance) { - caps->aux_min_input_signal = luminance_range->min_luminance; + if (luminance_range->max_luminance) caps->aux_max_input_signal = luminance_range->max_luminance; - } else { - caps->aux_min_input_signal = 0; + else caps->aux_max_input_signal = 512; - } + + if (luminance_range->min_luminance) + caps->aux_min_input_signal = luminance_range->min_luminance; + else + caps->aux_min_input_signal = 1; min_input_signal_override = drm_get_panel_min_brightness_quirk(aconnector->drm_edid); if (min_input_signal_override >= 0) |