diff options
| -rw-r--r-- | drivers/gpu/drm/tilcdc/tilcdc_crtc.c | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/tilcdc/tilcdc_drv.c | 101 | ||||
| -rw-r--r-- | drivers/gpu/drm/tilcdc/tilcdc_drv.h | 3 |
3 files changed, 43 insertions, 71 deletions
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c index ea79e09e4c6f..62773633ef5a 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c @@ -177,14 +177,12 @@ static void tilcdc_crtc_enable(struct drm_crtc *crtc) tilcdc_crtc->enabled = true; } -void tilcdc_crtc_disable(struct drm_crtc *crtc) +void tilcdc_crtc_off(struct drm_crtc *crtc) { struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc); struct drm_device *dev = crtc->dev; struct tilcdc_drm_private *priv = dev->dev_private; - WARN_ON(!drm_modeset_is_locked(&crtc->mutex)); - if (!tilcdc_crtc->enabled) return; @@ -228,6 +226,12 @@ void tilcdc_crtc_disable(struct drm_crtc *crtc) tilcdc_crtc->enabled = false; } +static void tilcdc_crtc_disable(struct drm_crtc *crtc) +{ + WARN_ON(!drm_modeset_is_locked(&crtc->mutex)); + tilcdc_crtc_off(crtc); +} + static bool tilcdc_crtc_is_on(struct drm_crtc *crtc) { return crtc->state && crtc->state->enable && crtc->state->active; diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c index c54e92a207fe..48757f1a1a59 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c @@ -158,8 +158,6 @@ static int modeset_init(struct drm_device *dev) struct tilcdc_drm_private *priv = dev->dev_private; struct tilcdc_module *mod; - drm_mode_config_init(dev); - priv->crtc = tilcdc_crtc_create(dev); list_for_each_entry(mod, &module_list, list) { @@ -198,22 +196,25 @@ static void tilcdc_fini(struct drm_device *dev) { struct tilcdc_drm_private *priv = dev->dev_private; - drm_modeset_lock_crtc(priv->crtc, NULL); - tilcdc_crtc_disable(priv->crtc); - drm_modeset_unlock_crtc(priv->crtc); + if (priv->crtc) + tilcdc_crtc_off(priv->crtc); - drm_dev_unregister(dev); + if (priv->is_registered) + drm_dev_unregister(dev); drm_kms_helper_poll_fini(dev); - drm_fbdev_cma_fini(priv->fbdev); + + if (priv->fbdev) + drm_fbdev_cma_fini(priv->fbdev); + drm_irq_uninstall(dev); drm_mode_config_cleanup(dev); - tilcdc_remove_external_encoders(dev); #ifdef CONFIG_CPU_FREQ - cpufreq_unregister_notifier(&priv->freq_transition, - CPUFREQ_TRANSITION_NOTIFIER); + if (priv->freq_transition.notifier_call) + cpufreq_unregister_notifier(&priv->freq_transition, + CPUFREQ_TRANSITION_NOTIFIER); #endif if (priv->clk) @@ -222,8 +223,10 @@ static void tilcdc_fini(struct drm_device *dev) if (priv->mmio) iounmap(priv->mmio); - flush_workqueue(priv->wq); - destroy_workqueue(priv->wq); + if (priv->wq) { + flush_workqueue(priv->wq); + destroy_workqueue(priv->wq); + } dev->dev_private = NULL; @@ -254,6 +257,8 @@ static int tilcdc_init(struct drm_driver *ddrv, struct device *dev) ddev->platformdev = pdev; ddev->dev_private = priv; + platform_set_drvdata(pdev, ddev); + drm_mode_config_init(ddev); priv->is_componentized = tilcdc_get_external_components(dev, NULL) > 0; @@ -261,28 +266,28 @@ static int tilcdc_init(struct drm_driver *ddrv, struct device *dev) priv->wq = alloc_ordered_workqueue("tilcdc", 0); if (!priv->wq) { ret = -ENOMEM; - goto fail_unset_priv; + goto init_failed; } res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) { dev_err(dev, "failed to get memory resource\n"); ret = -EINVAL; - goto fail_free_wq; + goto init_failed; } priv->mmio = ioremap_nocache(res->start, resource_size(res)); if (!priv->mmio) { dev_err(dev, "failed to ioremap\n"); ret = -ENOMEM; - goto fail_free_wq; + goto init_failed; } priv->clk = clk_get(dev, "fck"); if (IS_ERR(priv->clk)) { dev_err(dev, "failed to get functional clock\n"); ret = -ENODEV; - goto fail_iounmap; + goto init_failed; } #ifdef CONFIG_CPU_FREQ @@ -291,7 +296,8 @@ static int tilcdc_init(struct drm_driver *ddrv, struct device *dev) CPUFREQ_TRANSITION_NOTIFIER); if (ret) { dev_err(dev, "failed to register cpufreq notifier\n"); - goto fail_put_clk; + priv->freq_transition.notifier_call = NULL; + goto init_failed; } #endif @@ -367,37 +373,35 @@ static int tilcdc_init(struct drm_driver *ddrv, struct device *dev) ret = modeset_init(ddev); if (ret < 0) { dev_err(dev, "failed to initialize mode setting\n"); - goto fail_cpufreq_unregister; + goto init_failed; } - platform_set_drvdata(pdev, ddev); - if (priv->is_componentized) { ret = component_bind_all(dev, ddev); if (ret < 0) - goto fail_mode_config_cleanup; + goto init_failed; ret = tilcdc_add_external_encoders(ddev); if (ret < 0) - goto fail_component_cleanup; + goto init_failed; } if ((priv->num_encoders == 0) || (priv->num_connectors == 0)) { dev_err(dev, "no encoders/connectors found\n"); ret = -ENXIO; - goto fail_external_cleanup; + goto init_failed; } ret = drm_vblank_init(ddev, 1); if (ret < 0) { dev_err(dev, "failed to initialize vblank\n"); - goto fail_external_cleanup; + goto init_failed; } ret = drm_irq_install(ddev, platform_get_irq(pdev, 0)); if (ret < 0) { dev_err(dev, "failed to install IRQ handler\n"); - goto fail_vblank_cleanup; + goto init_failed; } drm_mode_config_reset(ddev); @@ -407,57 +411,20 @@ static int tilcdc_init(struct drm_driver *ddrv, struct device *dev) ddev->mode_config.num_connector); if (IS_ERR(priv->fbdev)) { ret = PTR_ERR(priv->fbdev); - goto fail_irq_uninstall; + goto init_failed; } drm_kms_helper_poll_init(ddev); ret = drm_dev_register(ddev, 0); if (ret) - goto fail_platform_init; + goto init_failed; + priv->is_registered = true; return 0; -fail_platform_init: - drm_kms_helper_poll_fini(ddev); - drm_fbdev_cma_fini(priv->fbdev); - -fail_irq_uninstall: - drm_irq_uninstall(ddev); - -fail_vblank_cleanup: - drm_vblank_cleanup(ddev); - -fail_component_cleanup: - if (priv->is_componentized) - component_unbind_all(dev, dev); - -fail_mode_config_cleanup: - drm_mode_config_cleanup(ddev); - -fail_external_cleanup: - tilcdc_remove_external_encoders(ddev); - -fail_cpufreq_unregister: - pm_runtime_disable(dev); -#ifdef CONFIG_CPU_FREQ - cpufreq_unregister_notifier(&priv->freq_transition, - CPUFREQ_TRANSITION_NOTIFIER); - -fail_put_clk: -#endif - clk_put(priv->clk); - -fail_iounmap: - iounmap(priv->mmio); - -fail_free_wq: - flush_workqueue(priv->wq); - destroy_workqueue(priv->wq); - -fail_unset_priv: - ddev->dev_private = NULL; - drm_dev_unref(ddev); +init_failed: + tilcdc_fini(ddev); return ret; } diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.h b/drivers/gpu/drm/tilcdc/tilcdc_drv.h index 9780c37ec4cd..7db23f27e9fb 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_drv.h +++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.h @@ -89,6 +89,7 @@ struct tilcdc_drm_private { struct drm_connector *connectors[8]; const struct drm_connector_helper_funcs *connector_funcs[8]; + bool is_registered; bool is_componentized; }; @@ -172,7 +173,7 @@ void tilcdc_crtc_set_simulate_vesa_sync(struct drm_crtc *crtc, bool simulate_vesa_sync); int tilcdc_crtc_mode_valid(struct drm_crtc *crtc, struct drm_display_mode *mode); int tilcdc_crtc_max_width(struct drm_crtc *crtc); -void tilcdc_crtc_disable(struct drm_crtc *crtc); +void tilcdc_crtc_off(struct drm_crtc *crtc); int tilcdc_crtc_update_fb(struct drm_crtc *crtc, struct drm_framebuffer *fb, struct drm_pending_vblank_event *event); |