diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_fbdev.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_fbdev.c | 130 |
1 files changed, 17 insertions, 113 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c index ea4b3d248aac..637927818dfe 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c @@ -8,12 +8,15 @@ * Seung-Woo Kim <sw0312.kim@samsung.com> */ +#include <linux/fb.h> + #include <drm/drm_crtc_helper.h> #include <drm/drm_drv.h> #include <drm/drm_fb_helper.h> #include <drm/drm_framebuffer.h> #include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_prime.h> +#include <drm/drm_print.h> #include <drm/exynos_drm.h> #include "exynos_drm_drv.h" @@ -21,7 +24,6 @@ #include "exynos_drm_fbdev.h" #define MAX_CONNECTOR 4 -#define PREFERRED_BPP 32 static int exynos_drm_fb_mmap(struct fb_info *info, struct vm_area_struct *vma) { @@ -41,19 +43,14 @@ static void exynos_drm_fb_destroy(struct fb_info *info) 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_DMAMEM_OPS_RDWR, DRM_FB_HELPER_DEFAULT_OPS, + __FB_DEFAULT_DMAMEM_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, }; @@ -61,18 +58,11 @@ static int exynos_drm_fbdev_update(struct drm_fb_helper *helper, struct drm_fb_helper_surface_size *sizes, struct exynos_drm_gem *exynos_gem) { - struct fb_info *fbi; + struct fb_info *fbi = helper->info; struct drm_framebuffer *fb = helper->fb; unsigned int size = fb->width * fb->height * fb->format->cpp[0]; unsigned long offset; - fbi = drm_fb_helper_alloc_info(helper); - if (IS_ERR(fbi)) { - DRM_DEV_ERROR(to_dma_dev(helper->dev), - "failed to allocate fb info.\n"); - return PTR_ERR(fbi); - } - fbi->fbops = &exynos_drm_fb_ops; drm_fb_helper_fill_info(fbi, helper, sizes); @@ -80,6 +70,7 @@ static int exynos_drm_fbdev_update(struct drm_fb_helper *helper, offset = fbi->var.xoffset * fb->format->cpp[0]; offset += fbi->var.yoffset * fb->pitches[0]; + fbi->flags |= FBINFO_VIRTFB; fbi->screen_buffer = exynos_gem->kvaddr + offset; fbi->screen_size = size; fbi->fix.smem_len = size; @@ -87,8 +78,11 @@ static int exynos_drm_fbdev_update(struct drm_fb_helper *helper, return 0; } -static int exynos_drm_fbdev_create(struct drm_fb_helper *helper, - struct drm_fb_helper_surface_size *sizes) +static const struct drm_fb_helper_funcs exynos_drm_fbdev_helper_funcs = { +}; + +int exynos_drm_fbdev_driver_fbdev_probe(struct drm_fb_helper *helper, + struct drm_fb_helper_surface_size *sizes) { struct exynos_drm_gem *exynos_gem; struct drm_device *dev = helper->dev; @@ -114,12 +108,16 @@ static int exynos_drm_fbdev_create(struct drm_fb_helper *helper, return PTR_ERR(exynos_gem); helper->fb = - exynos_drm_framebuffer_init(dev, &mode_cmd, &exynos_gem, 1); + exynos_drm_framebuffer_init(dev, + drm_get_format_info(dev, mode_cmd.pixel_format, + mode_cmd.modifier[0]), + &mode_cmd, &exynos_gem, 1); if (IS_ERR(helper->fb)) { DRM_DEV_ERROR(dev->dev, "failed to create drm framebuffer.\n"); ret = PTR_ERR(helper->fb); goto err_destroy_gem; } + helper->funcs = &exynos_drm_fbdev_helper_funcs; ret = exynos_drm_fbdev_update(helper, sizes, exynos_gem); if (ret < 0) @@ -134,97 +132,3 @@ err_destroy_gem: exynos_drm_gem_destroy(exynos_gem); return ret; } - -static const struct drm_fb_helper_funcs exynos_drm_fb_helper_funcs = { - .fb_probe = exynos_drm_fbdev_create, -}; - -/* - * struct drm_client - */ - -static void exynos_drm_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 exynos_drm_fbdev_client_restore(struct drm_client_dev *client) -{ - drm_fb_helper_lastclose(client->dev); - - return 0; -} - -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; - - 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 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_fb_helper *fb_helper; - int ret; - - drm_WARN(dev, !dev->registered, "Device has not been registered.\n"); - drm_WARN(dev, dev->fb_helper, "fb_helper is already set!\n"); - - 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); - - ret = drm_client_init(dev, &fb_helper->client, "fbdev", &exynos_drm_fbdev_client_funcs); - if (ret) - goto err_drm_client_init; - - ret = exynos_drm_fbdev_client_hotplug(&fb_helper->client); - if (ret) - drm_dbg_kms(dev, "client hotplug ret=%d\n", ret); - - drm_client_register(&fb_helper->client); - - return; - -err_drm_client_init: - drm_fb_helper_unprepare(fb_helper); - kfree(fb_helper); -} |