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 | 17 |
1 files changed, 9 insertions, 8 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 45e062022461..34f34823bab5 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -1320,7 +1320,12 @@ static int amdgpu_dm_backlight_update_status(struct backlight_device *bd) static int amdgpu_dm_backlight_get_brightness(struct backlight_device *bd) { - return bd->props.brightness; + struct amdgpu_display_manager *dm = bl_get_data(bd); + int ret = dc_link_get_backlight_level(dm->backlight_link); + + if (ret == DC_ERROR_UNEXPECTED) + return bd->props.brightness; + return ret; } static const struct backlight_ops amdgpu_dm_backlight_ops = { @@ -1335,6 +1340,7 @@ amdgpu_dm_register_backlight_device(struct amdgpu_display_manager *dm) struct backlight_properties props = { 0 }; props.max_brightness = AMDGPU_MAX_BL_LEVEL; + props.brightness = AMDGPU_MAX_BL_LEVEL; props.type = BACKLIGHT_RAW; snprintf(bl_name, sizeof(bl_name), "amdgpu_bl%d", @@ -2109,13 +2115,8 @@ convert_color_depth_from_display_info(const struct drm_connector *connector) static enum dc_aspect_ratio get_aspect_ratio(const struct drm_display_mode *mode_in) { - int32_t width = mode_in->crtc_hdisplay * 9; - int32_t height = mode_in->crtc_vdisplay * 16; - - if ((width - height) < 10 && (width - height) > -10) - return ASPECT_RATIO_16_9; - else - return ASPECT_RATIO_4_3; + /* 1-1 mapping, since both enums follow the HDMI spec. */ + return (enum dc_aspect_ratio) mode_in->picture_aspect_ratio; } static enum dc_color_space |