We're moving all uses of ddc_bus to drm_connector where they belong. Also cleanup the error handling in psb_intel_lvds_init() and remove unused ddc_bus in psb_intel_lvds_priv.
Signed-off-by: Patrik Jakobsson patrik.r.jakobsson@gmail.com --- drivers/gpu/drm/gma500/psb_intel_lvds.c | 72 +++++++++++++------------ 1 file changed, 37 insertions(+), 35 deletions(-)
diff --git a/drivers/gpu/drm/gma500/psb_intel_lvds.c b/drivers/gpu/drm/gma500/psb_intel_lvds.c index c28fabdcfd73..1121bb155c5e 100644 --- a/drivers/gpu/drm/gma500/psb_intel_lvds.c +++ b/drivers/gpu/drm/gma500/psb_intel_lvds.c @@ -50,7 +50,6 @@ struct psb_intel_lvds_priv { uint32_t saveBLC_PWM_CTL;
struct gma_i2c_chan *i2c_bus; - struct gma_i2c_chan *ddc_bus; };
@@ -512,20 +511,12 @@ static int psb_intel_lvds_get_modes(struct drm_connector *connector) return 0; }
-/** - * psb_intel_lvds_destroy - unregister and free LVDS structures - * @connector: connector to free - * - * Unregister the DDC bus for this connector then free the driver private - * structure. - */ void psb_intel_lvds_destroy(struct drm_connector *connector) { struct gma_connector *gma_connector = to_gma_connector(connector); - struct gma_encoder *gma_encoder = gma_attached_encoder(connector); - struct psb_intel_lvds_priv *lvds_priv = gma_encoder->dev_priv; + struct gma_i2c_chan *ddc_bus = to_gma_i2c_chan(connector->ddc);
- gma_i2c_destroy(lvds_priv->ddc_bus); + gma_i2c_destroy(ddc_bus); drm_connector_cleanup(connector); kfree(gma_connector); } @@ -639,25 +630,28 @@ void psb_intel_lvds_init(struct drm_device *dev, struct drm_display_mode *scan; /* *modes, *bios_mode; */ struct drm_crtc *crtc; struct drm_psb_private *dev_priv = to_drm_psb_private(dev); + struct gma_i2c_chan *ddc_bus; u32 lvds; int pipe; + int ret;
gma_encoder = kzalloc(sizeof(struct gma_encoder), GFP_KERNEL); if (!gma_encoder) { dev_err(dev->dev, "gma_encoder allocation error\n"); return; } + encoder = &gma_encoder->base;
gma_connector = kzalloc(sizeof(struct gma_connector), GFP_KERNEL); if (!gma_connector) { dev_err(dev->dev, "gma_connector allocation error\n"); - goto failed_encoder; + goto err_free_encoder; }
lvds_priv = kzalloc(sizeof(struct psb_intel_lvds_priv), GFP_KERNEL); if (!lvds_priv) { dev_err(dev->dev, "LVDS private allocation error\n"); - goto failed_connector; + goto err_free_connector; }
gma_encoder->dev_priv = lvds_priv; @@ -666,12 +660,24 @@ void psb_intel_lvds_init(struct drm_device *dev, gma_connector->save = psb_intel_lvds_save; gma_connector->restore = psb_intel_lvds_restore;
- encoder = &gma_encoder->base; - drm_connector_init(dev, connector, - &psb_intel_lvds_connector_funcs, - DRM_MODE_CONNECTOR_LVDS); + /* Set up the DDC bus. */ + ddc_bus = gma_i2c_create(dev, GPIOC, "LVDSDDC_C"); + if (!ddc_bus) { + dev_printk(KERN_ERR, dev->dev, + "DDC bus registration " "failed.\n"); + goto err_free_lvds_priv; + } + + ret = drm_connector_init_with_ddc(dev, connector, + &psb_intel_lvds_connector_funcs, + DRM_MODE_CONNECTOR_LVDS, + &ddc_bus->base); + if (ret) + goto err_ddc_destroy;
- drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_LVDS); + ret = drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_LVDS); + if (ret) + goto err_connector_cleanup;
gma_connector_attach_encoder(gma_connector, gma_encoder); gma_encoder->type = INTEL_OUTPUT_LVDS; @@ -699,7 +705,7 @@ void psb_intel_lvds_init(struct drm_device *dev, if (!lvds_priv->i2c_bus) { dev_printk(KERN_ERR, dev->dev, "I2C bus registration failed.\n"); - goto failed_blc_i2c; + goto err_encoder_cleanup; } lvds_priv->i2c_bus->slave_addr = 0x2C; dev_priv->lvds_i2c_bus = lvds_priv->i2c_bus; @@ -714,20 +720,13 @@ void psb_intel_lvds_init(struct drm_device *dev, * if closed, act like it's not there for now */
- /* Set up the DDC bus. */ - lvds_priv->ddc_bus = gma_i2c_create(dev, GPIOC, "LVDSDDC_C"); - if (!lvds_priv->ddc_bus) { - dev_printk(KERN_ERR, dev->dev, - "DDC bus registration " "failed.\n"); - goto failed_ddc; - } - /* * Attempt to get the fixed panel mode from DDC. Assume that the * preferred mode is the right one. */ mutex_lock(&dev->mode_config.mutex); - psb_intel_ddc_get_modes(connector, &lvds_priv->ddc_bus->base); + psb_intel_ddc_get_modes(connector, &ddc_bus->base); + list_for_each_entry(scan, &connector->probed_modes, head) { if (scan->type & DRM_MODE_TYPE_PREFERRED) { mode_dev->panel_fixed_mode = @@ -773,7 +772,7 @@ void psb_intel_lvds_init(struct drm_device *dev, /* If we still don't have a mode after all that, give up. */ if (!mode_dev->panel_fixed_mode) { dev_err(dev->dev, "Found no modes on the lvds, ignoring the LVDS\n"); - goto failed_find; + goto err_unlock; }
/* @@ -784,17 +783,20 @@ void psb_intel_lvds_init(struct drm_device *dev, mutex_unlock(&dev->mode_config.mutex); return;
-failed_find: +err_unlock: mutex_unlock(&dev->mode_config.mutex); - gma_i2c_destroy(lvds_priv->ddc_bus); -failed_ddc: gma_i2c_destroy(lvds_priv->i2c_bus); -failed_blc_i2c: +err_encoder_cleanup: drm_encoder_cleanup(encoder); +err_connector_cleanup: drm_connector_cleanup(connector); -failed_connector: +err_ddc_destroy: + gma_i2c_destroy(ddc_bus); +err_free_lvds_priv: + kfree(lvds_priv); +err_free_connector: kfree(gma_connector); -failed_encoder: +err_free_encoder: kfree(gma_encoder); }