Implement struct drm_client_funcs with the respective helpers and remove the custom code from the emulation. The generic helpers are equivalent in functionality. Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx> --- drivers/gpu/drm/radeon/radeon_fbdev.c | 66 ++------------------------- drivers/gpu/drm/tegra/fbdev.c | 58 ++--------------------- 2 files changed, 6 insertions(+), 118 deletions(-) diff --git a/drivers/gpu/drm/radeon/radeon_fbdev.c b/drivers/gpu/drm/radeon/radeon_fbdev.c index 02bf25759059a..cf790922174ea 100644 --- a/drivers/gpu/drm/radeon/radeon_fbdev.c +++ b/drivers/gpu/drm/radeon/radeon_fbdev.c @@ -29,7 +29,6 @@ #include <linux/pm_runtime.h> #include <linux/vga_switcheroo.h> -#include <drm/drm_crtc_helper.h> #include <drm/drm_drv.h> #include <drm/drm_fb_helper.h> #include <drm/drm_fourcc.h> @@ -293,71 +292,12 @@ static const struct drm_fb_helper_funcs radeon_fbdev_fb_helper_funcs = { }; /* - * Fbdev client and struct drm_client_funcs + * struct drm_client_funcs */ -static void radeon_fbdev_client_unregister(struct drm_client_dev *client) -{ - struct drm_fb_helper *fb_helper = drm_fb_helper_from_client(client); - struct drm_device *dev = fb_helper->dev; - struct radeon_device *rdev = dev->dev_private; - - if (fb_helper->info) { - vga_switcheroo_client_fb_set(rdev->pdev, NULL); - drm_helper_force_disable_all(dev); - drm_fb_helper_unregister_info(fb_helper); - } else { - drm_client_release(&fb_helper->client); - drm_fb_helper_unprepare(fb_helper); - kfree(fb_helper); - } -} - -static int radeon_fbdev_client_restore(struct drm_client_dev *client) -{ - drm_fb_helper_lastclose(client->dev); - vga_switcheroo_process_delayed_switch(); - - return 0; -} - -static int radeon_fbdev_client_hotplug(struct drm_client_dev *client) -{ - struct drm_fb_helper *fb_helper = drm_fb_helper_from_client(client); - struct drm_device *dev = client->dev; - struct radeon_device *rdev = dev->dev_private; - int ret; - - if (dev->fb_helper) - return drm_fb_helper_hotplug_event(dev->fb_helper); - - ret = drm_fb_helper_init(dev, fb_helper); - if (ret) - goto err_drm_err; - - if (!drm_drv_uses_atomic_modeset(dev)) - drm_helper_disable_unused_functions(dev); - - ret = drm_fb_helper_initial_config(fb_helper); - if (ret) - goto err_drm_fb_helper_fini; - - vga_switcheroo_client_fb_set(rdev->pdev, fb_helper->info); - - return 0; - -err_drm_fb_helper_fini: - drm_fb_helper_fini(fb_helper); -err_drm_err: - drm_err(dev, "Failed to setup radeon fbdev emulation (ret=%d)\n", ret); - return ret; -} - static const struct drm_client_funcs radeon_fbdev_client_funcs = { - .owner = THIS_MODULE, - .unregister = radeon_fbdev_client_unregister, - .restore = radeon_fbdev_client_restore, - .hotplug = radeon_fbdev_client_hotplug, + .owner = THIS_MODULE, + DRM_FBDEV_HELPER_CLIENT_FUNCS, }; void radeon_fbdev_setup(struct radeon_device *rdev) diff --git a/drivers/gpu/drm/tegra/fbdev.c b/drivers/gpu/drm/tegra/fbdev.c index db6eaac3d30e6..f9cc365cfed94 100644 --- a/drivers/gpu/drm/tegra/fbdev.c +++ b/drivers/gpu/drm/tegra/fbdev.c @@ -12,7 +12,6 @@ #include <linux/vmalloc.h> #include <drm/drm_drv.h> -#include <drm/drm_crtc_helper.h> #include <drm/drm_fb_helper.h> #include <drm/drm_fourcc.h> #include <drm/drm_framebuffer.h> @@ -150,63 +149,12 @@ static const struct drm_fb_helper_funcs tegra_fb_helper_funcs = { }; /* - * struct drm_client + * struct drm_client_funcs */ -static void tegra_fbdev_client_unregister(struct drm_client_dev *client) -{ - struct drm_fb_helper *fb_helper = drm_fb_helper_from_client(client); - - if (fb_helper->info) { - drm_fb_helper_unregister_info(fb_helper); - } else { - drm_client_release(&fb_helper->client); - drm_fb_helper_unprepare(fb_helper); - kfree(fb_helper); - } -} - -static int tegra_fbdev_client_restore(struct drm_client_dev *client) -{ - drm_fb_helper_lastclose(client->dev); - - return 0; -} - -static int tegra_fbdev_client_hotplug(struct drm_client_dev *client) -{ - struct drm_fb_helper *fb_helper = drm_fb_helper_from_client(client); - struct drm_device *dev = client->dev; - int ret; - - if (dev->fb_helper) - return drm_fb_helper_hotplug_event(dev->fb_helper); - - ret = drm_fb_helper_init(dev, fb_helper); - if (ret) - goto err_drm_err; - - if (!drm_drv_uses_atomic_modeset(dev)) - drm_helper_disable_unused_functions(dev); - - ret = drm_fb_helper_initial_config(fb_helper); - if (ret) - goto err_drm_fb_helper_fini; - - return 0; - -err_drm_fb_helper_fini: - drm_fb_helper_fini(fb_helper); -err_drm_err: - drm_err(dev, "Failed to setup fbdev emulation (ret=%d)\n", ret); - return ret; -} - static const struct drm_client_funcs tegra_fbdev_client_funcs = { - .owner = THIS_MODULE, - .unregister = tegra_fbdev_client_unregister, - .restore = tegra_fbdev_client_restore, - .hotplug = tegra_fbdev_client_hotplug, + .owner = THIS_MODULE, + DRM_FBDEV_HELPER_CLIENT_FUNCS, }; void tegra_fbdev_setup(struct drm_device *dev) -- 2.44.0