From: Thierry Reding Date: Thu, 6 Jul 2017 13:00:22 +0000 (+0200) Subject: drm/exynos: Remove custom FB helper deferred setup X-Git-Tag: v4.14-rc1~8^2~52^2~4 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=812fc6f2a8b791c2449457a90eb21afbad489680;p=platform%2Fkernel%2Flinux-rpi3.git drm/exynos: Remove custom FB helper deferred setup The FB helper core now supports deferred setup, so the driver's custom implementation can be removed. v2: Drop NULL check, drm_fb_helper_hotplug_event handles that already. Cc: Inki Dae Cc: Joonyoung Shim Cc: Seung-Woo Kim Cc: Kyungmin Park Signed-off-by: Thierry Reding (v1) Reviewed-by: Inki Dae Tested-by: Inki Dae Signed-off-by: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/20170706130023.28417-4-daniel.vetter@ffwll.ch Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c index 35a8dfc..cab9e12 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c @@ -395,8 +395,9 @@ static int exynos_drm_bind(struct device *dev) /* init kms poll for handling hpd */ drm_kms_helper_poll_init(drm); - /* force connectors detection */ - drm_helper_hpd_irq_event(drm); + ret = exynos_drm_fbdev_init(drm); + if (ret) + goto err_cleanup_poll; /* register the DRM device */ ret = drm_dev_register(drm, 0); @@ -407,6 +408,7 @@ static int exynos_drm_bind(struct device *dev) err_cleanup_fbdev: exynos_drm_fbdev_fini(drm); +err_cleanup_poll: drm_kms_helper_poll_fini(drm); exynos_drm_device_subdrv_remove(drm); err_unbind_all: diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c index 6415312..c3a0684 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c @@ -183,24 +183,6 @@ static const struct drm_fb_helper_funcs exynos_drm_fb_helper_funcs = { .fb_probe = exynos_drm_fbdev_create, }; -static bool exynos_drm_fbdev_is_anything_connected(struct drm_device *dev) -{ - struct drm_connector *connector; - bool ret = false; - - mutex_lock(&dev->mode_config.mutex); - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { - if (connector->status != connector_status_connected) - continue; - - ret = true; - break; - } - mutex_unlock(&dev->mode_config.mutex); - - return ret; -} - int exynos_drm_fbdev_init(struct drm_device *dev) { struct exynos_drm_fbdev *fbdev; @@ -211,9 +193,6 @@ int exynos_drm_fbdev_init(struct drm_device *dev) if (!dev->mode_config.num_crtc || !dev->mode_config.num_connector) return 0; - if (!exynos_drm_fbdev_is_anything_connected(dev)) - return 0; - fbdev = kzalloc(sizeof(*fbdev), GFP_KERNEL); if (!fbdev) return -ENOMEM; @@ -304,8 +283,5 @@ void exynos_drm_output_poll_changed(struct drm_device *dev) struct exynos_drm_private *private = dev->dev_private; struct drm_fb_helper *fb_helper = private->fb_helper; - if (fb_helper) - drm_fb_helper_hotplug_event(fb_helper); - else - exynos_drm_fbdev_init(dev); + drm_fb_helper_hotplug_event(fb_helper); }