Use drm_fb_cma_fbdev_init() and drm_fb_cma_fbdev_fini() which relies on the fact that drm_device holds a pointer to the drm_fb_helper structure. This means that the driver doesn't have to keep track of that. Also use the drm_fb_helper functions directly.
Cc: Shawn Guo shawnguo@kernel.org Signed-off-by: Noralf Trønnes noralf@tronnes.org --- drivers/gpu/drm/zte/zx_drm_drv.c | 48 +++++----------------------------------- 1 file changed, 6 insertions(+), 42 deletions(-)
diff --git a/drivers/gpu/drm/zte/zx_drm_drv.c b/drivers/gpu/drm/zte/zx_drm_drv.c index e8b8266c0cde..6f4205e80378 100644 --- a/drivers/gpu/drm/zte/zx_drm_drv.c +++ b/drivers/gpu/drm/zte/zx_drm_drv.c @@ -29,37 +29,19 @@ #include "zx_drm_drv.h" #include "zx_vou.h"
-struct zx_drm_private { - struct drm_fbdev_cma *fbdev; -}; - -static void zx_drm_fb_output_poll_changed(struct drm_device *drm) -{ - struct zx_drm_private *priv = drm->dev_private; - - drm_fbdev_cma_hotplug_event(priv->fbdev); -} - static const struct drm_mode_config_funcs zx_drm_mode_config_funcs = { .fb_create = drm_gem_fb_create, - .output_poll_changed = zx_drm_fb_output_poll_changed, + .output_poll_changed = drm_fb_helper_output_poll_changed, .atomic_check = drm_atomic_helper_check, .atomic_commit = drm_atomic_helper_commit, };
-static void zx_drm_lastclose(struct drm_device *drm) -{ - struct zx_drm_private *priv = drm->dev_private; - - drm_fbdev_cma_restore_mode(priv->fbdev); -} - DEFINE_DRM_GEM_CMA_FOPS(zx_drm_fops);
static struct drm_driver zx_drm_driver = { .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_ATOMIC, - .lastclose = zx_drm_lastclose, + .lastclose = drm_fb_helper_lastclose, .gem_free_object_unlocked = drm_gem_cma_free_object, .gem_vm_ops = &drm_gem_cma_vm_ops, .dumb_create = drm_gem_cma_dumb_create, @@ -83,18 +65,12 @@ static struct drm_driver zx_drm_driver = { static int zx_drm_bind(struct device *dev) { struct drm_device *drm; - struct zx_drm_private *priv; int ret;
- priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); - if (!priv) - return -ENOMEM; - drm = drm_dev_alloc(&zx_drm_driver, dev); if (IS_ERR(drm)) return PTR_ERR(drm);
- drm->dev_private = priv; dev_set_drvdata(dev, drm);
drm_mode_config_init(drm); @@ -125,12 +101,9 @@ static int zx_drm_bind(struct device *dev) drm_mode_config_reset(drm); drm_kms_helper_poll_init(drm);
- priv->fbdev = drm_fbdev_cma_init(drm, 32, - drm->mode_config.num_connector); - if (IS_ERR(priv->fbdev)) { - ret = PTR_ERR(priv->fbdev); + ret = drm_fb_cma_fbdev_init(drm, 32, 0); + if (ret) { DRM_DEV_ERROR(dev, "failed to init cma fbdev: %d\n", ret); - priv->fbdev = NULL; goto out_poll_fini; }
@@ -141,10 +114,7 @@ static int zx_drm_bind(struct device *dev) return 0;
out_fbdev_fini: - if (priv->fbdev) { - drm_fbdev_cma_fini(priv->fbdev); - priv->fbdev = NULL; - } + drm_fb_cma_fbdev_fini(drm); out_poll_fini: drm_kms_helper_poll_fini(drm); drm_mode_config_cleanup(drm); @@ -152,7 +122,6 @@ static int zx_drm_bind(struct device *dev) component_unbind_all(dev, drm); out_unregister: dev_set_drvdata(dev, NULL); - drm->dev_private = NULL; drm_dev_unref(drm); return ret; } @@ -160,18 +129,13 @@ static int zx_drm_bind(struct device *dev) static void zx_drm_unbind(struct device *dev) { struct drm_device *drm = dev_get_drvdata(dev); - struct zx_drm_private *priv = drm->dev_private;
drm_dev_unregister(drm); - if (priv->fbdev) { - drm_fbdev_cma_fini(priv->fbdev); - priv->fbdev = NULL; - } + drm_fb_cma_fbdev_fini(drm); drm_kms_helper_poll_fini(drm); drm_mode_config_cleanup(drm); component_unbind_all(dev, drm); dev_set_drvdata(dev, NULL); - drm->dev_private = NULL; drm_dev_unref(drm); }