diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_legacy_encoders.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_legacy_encoders.c | 33 |
1 files changed, 22 insertions, 11 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c index 9910fe494744..ec00deaab9ca 100644 --- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c @@ -290,10 +290,9 @@ static uint8_t radeon_legacy_lvds_level(struct backlight_device *bd) return level; } -static int radeon_legacy_backlight_update_status(struct backlight_device *bd) +void +radeon_legacy_set_backlight_level(struct radeon_encoder *radeon_encoder, u8 level) { - struct radeon_backlight_privdata *pdata = bl_get_data(bd); - struct radeon_encoder *radeon_encoder = pdata->encoder; struct drm_device *dev = radeon_encoder->base.dev; struct radeon_device *rdev = dev->dev_private; int dpms_mode = DRM_MODE_DPMS_ON; @@ -301,19 +300,31 @@ static int radeon_legacy_backlight_update_status(struct backlight_device *bd) if (radeon_encoder->enc_priv) { if (rdev->is_atom_bios) { struct radeon_encoder_atom_dig *lvds = radeon_encoder->enc_priv; - dpms_mode = lvds->dpms_mode; - lvds->backlight_level = radeon_legacy_lvds_level(bd); + if (lvds->backlight_level > 0) + dpms_mode = lvds->dpms_mode; + else + dpms_mode = DRM_MODE_DPMS_OFF; + lvds->backlight_level = level; } else { struct radeon_encoder_lvds *lvds = radeon_encoder->enc_priv; - dpms_mode = lvds->dpms_mode; - lvds->backlight_level = radeon_legacy_lvds_level(bd); + if (lvds->backlight_level > 0) + dpms_mode = lvds->dpms_mode; + else + dpms_mode = DRM_MODE_DPMS_OFF; + lvds->backlight_level = level; } } - if (bd->props.brightness > 0) - radeon_legacy_lvds_update(&radeon_encoder->base, dpms_mode); - else - radeon_legacy_lvds_update(&radeon_encoder->base, DRM_MODE_DPMS_OFF); + radeon_legacy_lvds_update(&radeon_encoder->base, dpms_mode); +} + +static int radeon_legacy_backlight_update_status(struct backlight_device *bd) +{ + struct radeon_backlight_privdata *pdata = bl_get_data(bd); + struct radeon_encoder *radeon_encoder = pdata->encoder; + + radeon_legacy_set_backlight_level(radeon_encoder, + radeon_legacy_lvds_level(bd)); return 0; } |