diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2012-08-03 11:39:43 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2012-09-20 13:10:37 -0400 |
| commit | 37e9b6a62fb775276f8edb5bd2b9f13a3102b9dd (patch) | |
| tree | 558e7267ff977b1851613102f8de01aa9c6b994e /drivers/gpu/drm/radeon/radeon_legacy_encoders.c | |
| parent | e3a1592085988c60a2207eb492b89493573a0303 (diff) | |
drm/radeon: rework the backlight control to be an asic callback
This cleans up the interface a bit as well.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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; } |