diff options
Diffstat (limited to 'drivers/gpu/drm/exynos')
| -rw-r--r-- | drivers/gpu/drm/exynos/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_drv.c | 13 | ||||
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_drv.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_fb.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_fbdev.c | 181 | ||||
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_fbdev.h | 20 |
6 files changed, 98 insertions, 121 deletions
diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig index 0cb92d651ff1..7ca7e1dab52c 100644 --- a/drivers/gpu/drm/exynos/Kconfig +++ b/drivers/gpu/drm/exynos/Kconfig @@ -7,6 +7,7 @@ config DRM_EXYNOS select DRM_DISPLAY_HELPER if DRM_EXYNOS_DP select DRM_KMS_HELPER select VIDEOMODE_HELPERS + select FB_IO_HELPERS if DRM_FBDEV_EMULATION select SND_SOC_HDMI_CODEC if SND_SOC help Choose this option if you have a Samsung SoC Exynos chipset. diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c index 16c539657f73..6b73fb7a83c3 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c @@ -16,7 +16,6 @@ #include <drm/drm_atomic.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_drv.h> -#include <drm/drm_fb_helper.h> #include <drm/drm_file.h> #include <drm/drm_fourcc.h> #include <drm/drm_ioctl.h> @@ -108,7 +107,6 @@ static const struct drm_driver exynos_drm_driver = { .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC | DRIVER_RENDER, .open = exynos_drm_open, - .lastclose = drm_fb_helper_lastclose, .postclose = exynos_drm_postclose, .dumb_create = exynos_drm_gem_dumb_create, .prime_handle_to_fd = drm_gem_prime_handle_to_fd, @@ -288,19 +286,15 @@ static int exynos_drm_bind(struct device *dev) /* init kms poll for handling hpd */ drm_kms_helper_poll_init(drm); - ret = exynos_drm_fbdev_init(drm); - if (ret) - goto err_cleanup_poll; - /* register the DRM device */ ret = drm_dev_register(drm, 0); if (ret < 0) - goto err_cleanup_fbdev; + goto err_cleanup_poll; + + exynos_drm_fbdev_setup(drm); return 0; -err_cleanup_fbdev: - exynos_drm_fbdev_fini(drm); err_cleanup_poll: drm_kms_helper_poll_fini(drm); err_unbind_all: @@ -321,7 +315,6 @@ static void exynos_drm_unbind(struct device *dev) drm_dev_unregister(drm); - exynos_drm_fbdev_fini(drm); drm_kms_helper_poll_fini(drm); component_unbind_all(drm->dev, drm); diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h index 6ae9056e7a18..81d501efd013 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.h +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h @@ -197,8 +197,6 @@ struct drm_exynos_file_private { * @wait: wait an atomic commit to finish */ struct exynos_drm_private { - struct drm_fb_helper *fb_helper; - struct device *g2d_dev; struct device *dma_dev; void *mapping; diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.c b/drivers/gpu/drm/exynos/exynos_drm_fb.c index 97f2dee2db29..fc1c5608db96 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fb.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fb.c @@ -11,7 +11,6 @@ #include <drm/drm_atomic.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_crtc.h> -#include <drm/drm_fb_helper.h> #include <drm/drm_framebuffer.h> #include <drm/drm_fourcc.h> #include <drm/drm_gem_framebuffer_helper.h> @@ -157,7 +156,6 @@ static struct drm_mode_config_helper_funcs exynos_drm_mode_config_helpers = { static const struct drm_mode_config_funcs exynos_drm_mode_config_funcs = { .fb_create = exynos_user_fb_create, - .output_poll_changed = drm_fb_helper_output_poll_changed, .atomic_check = drm_atomic_helper_check, .atomic_commit = drm_atomic_helper_commit, }; diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c index 4929ffe5a09a..fdf65587f1fe 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c @@ -8,16 +8,14 @@ * Seung-Woo Kim <sw0312.kim@samsung.com> */ -#include <linux/console.h> -#include <linux/dma-mapping.h> -#include <linux/vmalloc.h> +#include <linux/fb.h> -#include <drm/drm_crtc.h> +#include <drm/drm_crtc_helper.h> +#include <drm/drm_drv.h> #include <drm/drm_fb_helper.h> -#include <drm/drm_fourcc.h> #include <drm/drm_framebuffer.h> +#include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_prime.h> -#include <drm/drm_probe_helper.h> #include <drm/exynos_drm.h> #include "exynos_drm_drv.h" @@ -27,33 +25,35 @@ #define MAX_CONNECTOR 4 #define PREFERRED_BPP 32 -#define to_exynos_fbdev(x) container_of(x, struct exynos_drm_fbdev,\ - drm_fb_helper) +static int exynos_drm_fb_mmap(struct fb_info *info, struct vm_area_struct *vma) +{ + struct drm_fb_helper *helper = info->par; + struct drm_gem_object *obj = drm_gem_fb_get_obj(helper->fb, 0); -struct exynos_drm_fbdev { - struct drm_fb_helper drm_fb_helper; - struct exynos_drm_gem *exynos_gem; -}; + return drm_gem_prime_mmap(obj, vma); +} -static int exynos_drm_fb_mmap(struct fb_info *info, - struct vm_area_struct *vma) +static void exynos_drm_fb_destroy(struct fb_info *info) { - struct drm_fb_helper *helper = info->par; - struct exynos_drm_fbdev *exynos_fbd = to_exynos_fbdev(helper); - struct exynos_drm_gem *exynos_gem = exynos_fbd->exynos_gem; + struct drm_fb_helper *fb_helper = info->par; + struct drm_framebuffer *fb = fb_helper->fb; - return drm_gem_prime_mmap(&exynos_gem->base, vma); + drm_fb_helper_fini(fb_helper); + + drm_framebuffer_remove(fb); + + drm_client_release(&fb_helper->client); + drm_fb_helper_unprepare(fb_helper); + kfree(fb_helper); } static const struct fb_ops exynos_drm_fb_ops = { .owner = THIS_MODULE, + __FB_DEFAULT_IO_OPS_RDWR, DRM_FB_HELPER_DEFAULT_OPS, + __FB_DEFAULT_IO_OPS_DRAW, .fb_mmap = exynos_drm_fb_mmap, - .fb_read = drm_fb_helper_cfb_read, - .fb_write = drm_fb_helper_cfb_write, - .fb_fillrect = drm_fb_helper_cfb_fillrect, - .fb_copyarea = drm_fb_helper_cfb_copyarea, - .fb_imageblit = drm_fb_helper_cfb_imageblit, + .fb_destroy = exynos_drm_fb_destroy, }; static int exynos_drm_fbdev_update(struct drm_fb_helper *helper, @@ -89,7 +89,6 @@ static int exynos_drm_fbdev_update(struct drm_fb_helper *helper, static int exynos_drm_fbdev_create(struct drm_fb_helper *helper, struct drm_fb_helper_surface_size *sizes) { - struct exynos_drm_fbdev *exynos_fbdev = to_exynos_fbdev(helper); struct exynos_drm_gem *exynos_gem; struct drm_device *dev = helper->dev; struct drm_mode_fb_cmd2 mode_cmd = { 0 }; @@ -113,8 +112,6 @@ static int exynos_drm_fbdev_create(struct drm_fb_helper *helper, if (IS_ERR(exynos_gem)) return PTR_ERR(exynos_gem); - exynos_fbdev->exynos_gem = exynos_gem; - helper->fb = exynos_drm_framebuffer_init(dev, &mode_cmd, &exynos_gem, 1); if (IS_ERR(helper->fb)) { @@ -127,19 +124,13 @@ static int exynos_drm_fbdev_create(struct drm_fb_helper *helper, if (ret < 0) goto err_destroy_framebuffer; - return ret; + return 0; err_destroy_framebuffer: drm_framebuffer_cleanup(helper->fb); + helper->fb = NULL; err_destroy_gem: exynos_drm_gem_destroy(exynos_gem); - - /* - * if failed, all resources allocated above would be released by - * drm_mode_config_cleanup() when drm_load() had been called prior - * to any specific driver such as fimd or hdmi driver. - */ - return ret; } @@ -147,80 +138,92 @@ static const struct drm_fb_helper_funcs exynos_drm_fb_helper_funcs = { .fb_probe = exynos_drm_fbdev_create, }; -int exynos_drm_fbdev_init(struct drm_device *dev) +/* + * struct drm_client + */ + +static void exynos_drm_fbdev_client_unregister(struct drm_client_dev *client) { - struct exynos_drm_fbdev *fbdev; - struct exynos_drm_private *private = dev->dev_private; - struct drm_fb_helper *helper; - int ret; + 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); + } +} - if (!dev->mode_config.num_crtc) - return 0; +static int exynos_drm_fbdev_client_restore(struct drm_client_dev *client) +{ + drm_fb_helper_lastclose(client->dev); - fbdev = kzalloc(sizeof(*fbdev), GFP_KERNEL); - if (!fbdev) - return -ENOMEM; + return 0; +} - private->fb_helper = helper = &fbdev->drm_fb_helper; +static int exynos_drm_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; - drm_fb_helper_prepare(dev, helper, PREFERRED_BPP, &exynos_drm_fb_helper_funcs); + if (dev->fb_helper) + return drm_fb_helper_hotplug_event(dev->fb_helper); - ret = drm_fb_helper_init(dev, helper); - if (ret < 0) { - DRM_DEV_ERROR(dev->dev, - "failed to initialize drm fb helper.\n"); - goto err_init; - } + ret = drm_fb_helper_init(dev, fb_helper); + if (ret) + goto err_drm_err; - ret = drm_fb_helper_initial_config(helper); - if (ret < 0) { - DRM_DEV_ERROR(dev->dev, - "failed to set up hw configuration.\n"); - goto err_setup; - } + if (!drm_drv_uses_atomic_modeset(dev)) + drm_helper_disable_unused_functions(dev); - return 0; + ret = drm_fb_helper_initial_config(fb_helper); + if (ret) + goto err_drm_fb_helper_fini; -err_setup: - drm_fb_helper_fini(helper); -err_init: - drm_fb_helper_unprepare(helper); - private->fb_helper = NULL; - kfree(fbdev); + 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 void exynos_drm_fbdev_destroy(struct drm_device *dev, - struct drm_fb_helper *fb_helper) +static const struct drm_client_funcs exynos_drm_fbdev_client_funcs = { + .owner = THIS_MODULE, + .unregister = exynos_drm_fbdev_client_unregister, + .restore = exynos_drm_fbdev_client_restore, + .hotplug = exynos_drm_fbdev_client_hotplug, +}; + +void exynos_drm_fbdev_setup(struct drm_device *dev) { - struct drm_framebuffer *fb; + struct drm_fb_helper *fb_helper; + int ret; - /* release drm framebuffer and real buffer */ - if (fb_helper->fb && fb_helper->fb->funcs) { - fb = fb_helper->fb; - if (fb) - drm_framebuffer_remove(fb); - } + drm_WARN(dev, !dev->registered, "Device has not been registered.\n"); + drm_WARN(dev, dev->fb_helper, "fb_helper is already set!\n"); - drm_fb_helper_unregister_info(fb_helper); + fb_helper = kzalloc(sizeof(*fb_helper), GFP_KERNEL); + if (!fb_helper) + return; + drm_fb_helper_prepare(dev, fb_helper, PREFERRED_BPP, &exynos_drm_fb_helper_funcs); - drm_fb_helper_fini(fb_helper); -} + ret = drm_client_init(dev, &fb_helper->client, "fbdev", &exynos_drm_fbdev_client_funcs); + if (ret) + goto err_drm_client_init; -void exynos_drm_fbdev_fini(struct drm_device *dev) -{ - struct exynos_drm_private *private = dev->dev_private; - struct exynos_drm_fbdev *fbdev; + ret = exynos_drm_fbdev_client_hotplug(&fb_helper->client); + if (ret) + drm_dbg_kms(dev, "client hotplug ret=%d\n", ret); - if (!private || !private->fb_helper) - return; + drm_client_register(&fb_helper->client); - fbdev = to_exynos_fbdev(private->fb_helper); + return; - exynos_drm_fbdev_destroy(dev, private->fb_helper); - drm_fb_helper_unprepare(private->fb_helper); - kfree(fbdev); - private->fb_helper = NULL; +err_drm_client_init: + drm_fb_helper_unprepare(fb_helper); + kfree(fb_helper); } - diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.h b/drivers/gpu/drm/exynos/exynos_drm_fbdev.h index 3b1e98e84580..1e1dea627cd9 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.h +++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.h @@ -12,27 +12,11 @@ #define _EXYNOS_DRM_FBDEV_H_ #ifdef CONFIG_DRM_FBDEV_EMULATION - -int exynos_drm_fbdev_init(struct drm_device *dev); -void exynos_drm_fbdev_fini(struct drm_device *dev); - +void exynos_drm_fbdev_setup(struct drm_device *dev); #else - -static inline int exynos_drm_fbdev_init(struct drm_device *dev) -{ - return 0; -} - -static inline void exynos_drm_fbdev_fini(struct drm_device *dev) +static inline void exynos_drm_fbdev_setup(struct drm_device *dev) { } - -static inline void exynos_drm_fbdev_restore_mode(struct drm_device *dev) -{ -} - -#define exynos_drm_output_poll_changed (NULL) - #endif #endif |