drm/exynos: cleanup exynos_user_fb_create()

Using exynos_drm_framebuffer_init(), redundant codes can be removed.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.c b/drivers/gpu/drm/exynos/exynos_drm_fb.c
index 8f94eac93b1d820c45d7b1f2126179193f0e4c30..849925ca0cdd6471efc7b3dac003936d5609d289 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos_drm_fb.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fb.c
@@ -174,57 +174,36 @@ static struct drm_framebuffer *
 exynos_user_fb_create(struct drm_device *dev, struct drm_file *file_priv,
                      struct drm_mode_fb_cmd2 *mode_cmd)
 {
+       struct exynos_drm_gem_obj *gem_objs[MAX_FB_BUFFER];
        struct drm_gem_object *obj;
-       struct exynos_drm_gem_obj *exynos_gem_obj;
-       struct exynos_drm_fb *exynos_fb;
-       int i, ret;
-
-       exynos_fb = kzalloc(sizeof(*exynos_fb), GFP_KERNEL);
-       if (!exynos_fb)
-               return ERR_PTR(-ENOMEM);
-
-       exynos_fb->buf_cnt = drm_format_num_planes(mode_cmd->pixel_format);
-
-       DRM_DEBUG_KMS("buf_cnt = %d\n", exynos_fb->buf_cnt);
+       struct drm_framebuffer *fb;
+       int i;
+       int ret;
 
-       for (i = 0; i < exynos_fb->buf_cnt; i++) {
+       for (i = 0; i < drm_format_num_planes(mode_cmd->pixel_format); i++) {
                obj = drm_gem_object_lookup(dev, file_priv,
-                               mode_cmd->handles[i]);
+                                           mode_cmd->handles[i]);
                if (!obj) {
                        DRM_ERROR("failed to lookup gem object\n");
                        ret = -ENOENT;
-                       exynos_fb->buf_cnt = i;
                        goto err;
                }
 
-               exynos_gem_obj = to_exynos_gem_obj(obj);
-               exynos_fb->exynos_gem_obj[i] = exynos_gem_obj;
-
-               ret = check_fb_gem_memory_type(dev, exynos_gem_obj);
-               if (ret < 0)
-                       goto err;
+               gem_objs[i] = to_exynos_gem_obj(obj);
        }
 
-       drm_helper_mode_fill_fb_struct(&exynos_fb->fb, mode_cmd);
-
-       ret = drm_framebuffer_init(dev, &exynos_fb->fb, &exynos_drm_fb_funcs);
-       if (ret) {
-               DRM_ERROR("failed to init framebuffer.\n");
+       fb = exynos_drm_framebuffer_init(dev, mode_cmd, gem_objs, i);
+       if (IS_ERR(fb)) {
+               ret = PTR_ERR(fb);
                goto err;
        }
 
-       return &exynos_fb->fb;
+       return fb;
 
 err:
-       for (i = 0; i < exynos_fb->buf_cnt; i++) {
-               struct drm_gem_object *obj;
+       while (i--)
+               drm_gem_object_unreference_unlocked(&gem_objs[i]->base);
 
-               obj = &exynos_fb->exynos_gem_obj[i]->base;
-               if (obj)
-                       drm_gem_object_unreference_unlocked(obj);
-       }
-
-       kfree(exynos_fb);
        return ERR_PTR(ret);
 }