summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/gpu/drm/drm_crtc.c4
-rw-r--r--drivers/gpu/drm/radeon/atombios_encoders.c19
-rw-r--r--drivers/gpu/drm/radeon/radeon_encoders.c1
-rw-r--r--drivers/gpu/drm/radeon/radeon_legacy_encoders.c1
4 files changed, 18 insertions, 7 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 33d877c..8328e70 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -4105,7 +4105,7 @@ drm_property_create_blob(struct drm_device *dev, size_t length,
struct drm_property_blob *blob;
int ret;
- if (!length)
+ if (!length || length > ULONG_MAX - sizeof(struct drm_property_blob))
return ERR_PTR(-EINVAL);
blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL);
@@ -4454,7 +4454,7 @@ int drm_mode_createblob_ioctl(struct drm_device *dev,
* not associated with any file_priv. */
mutex_lock(&dev->mode_config.blob_lock);
out_resp->blob_id = blob->base.id;
- list_add_tail(&file_priv->blobs, &blob->head_file);
+ list_add_tail(&blob->head_file, &file_priv->blobs);
mutex_unlock(&dev->mode_config.blob_lock);
return 0;
diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
index 65adb9c..bb29214 100644
--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -237,6 +237,7 @@ void radeon_atom_backlight_init(struct radeon_encoder *radeon_encoder,
backlight_update_status(bd);
DRM_INFO("radeon atom DIG backlight initialized\n");
+ rdev->mode_info.bl_encoder = radeon_encoder;
return;
@@ -1624,9 +1625,14 @@ radeon_atom_encoder_dpms_avivo(struct drm_encoder *encoder, int mode)
} else
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
- struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
+ if (rdev->mode_info.bl_encoder) {
+ struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
- atombios_set_backlight_level(radeon_encoder, dig->backlight_level);
+ atombios_set_backlight_level(radeon_encoder, dig->backlight_level);
+ } else {
+ args.ucAction = ATOM_LCD_BLON;
+ atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+ }
}
break;
case DRM_MODE_DPMS_STANDBY:
@@ -1706,8 +1712,13 @@ radeon_atom_encoder_dpms_dig(struct drm_encoder *encoder, int mode)
if (ASIC_IS_DCE4(rdev))
atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_ON, 0);
}
- if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
- atombios_set_backlight_level(radeon_encoder, dig->backlight_level);
+ if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
+ if (rdev->mode_info.bl_encoder)
+ atombios_set_backlight_level(radeon_encoder, dig->backlight_level);
+ else
+ atombios_dig_transmitter_setup(encoder,
+ ATOM_TRANSMITTER_ACTION_LCD_BLON, 0, 0);
+ }
if (ext_encoder)
atombios_external_encoder_setup(encoder, ext_encoder, ATOM_ENABLE);
break;
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
index ef99917..c6ee802 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -194,7 +194,6 @@ static void radeon_encoder_add_backlight(struct radeon_encoder *radeon_encoder,
radeon_atom_backlight_init(radeon_encoder, connector);
else
radeon_legacy_backlight_init(radeon_encoder, connector);
- rdev->mode_info.bl_encoder = radeon_encoder;
}
}
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
index 4571530..30de433 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
@@ -441,6 +441,7 @@ void radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder,
backlight_update_status(bd);
DRM_INFO("radeon legacy LVDS backlight initialized\n");
+ rdev->mode_info.bl_encoder = radeon_encoder;
return;