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drm/exynos: Use new drm_fb_helper functions

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Use the newly created wrapper drm_fb_helper functions instead of calling
core fbdev functions directly. They also simplify the fb_info creation.

v2:
- Remove unnecessary dealloc cmap in error handling path

Cc: Inki Dae <inki.dae@samsung.com>
Cc: Joonyoung Shim <jy0922.shim@samsung.com>
Cc: Seung-Woo Kim <sw0312.kim@samsung.com>

Signed-off-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Archit Taneja 2015-07-22 14:58:09 +05:30 committed by Daniel Vetter
parent 778014f0c8
commit 7c7d4507fb
1 changed files with 12 additions and 35 deletions
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47
drivers/gpu/drm/exynos/exynos_drm_fbdev.c
View File

@ -65,9 +65,9 @@ static int exynos_drm_fb_mmap(struct fb_info *info,
static struct fb_ops exynos_drm_fb_ops = {
.owner = THIS_MODULE,
.fb_mmap = exynos_drm_fb_mmap,
.fb_fillrect = cfb_fillrect,
.fb_copyarea = cfb_copyarea,
.fb_imageblit = cfb_imageblit,
.fb_fillrect = drm_fb_helper_cfb_fillrect,
.fb_copyarea = drm_fb_helper_cfb_copyarea,
.fb_imageblit = drm_fb_helper_cfb_imageblit,
.fb_check_var = drm_fb_helper_check_var,
.fb_set_par = drm_fb_helper_set_par,
.fb_blank = drm_fb_helper_blank,
@ -142,10 +142,10 @@ static int exynos_drm_fbdev_create(struct drm_fb_helper *helper,
mutex_lock(&dev->struct_mutex);
fbi = framebuffer_alloc(0, &pdev->dev);
if (!fbi) {
fbi = drm_fb_helper_alloc_fbi(helper);
if (IS_ERR(fbi)) {
DRM_ERROR("failed to allocate fb info.\n");
ret = -ENOMEM;
ret = PTR_ERR(fbi);
goto out;
}
@ -165,7 +165,7 @@ static int exynos_drm_fbdev_create(struct drm_fb_helper *helper,
if (IS_ERR(exynos_gem_obj)) {
ret = PTR_ERR(exynos_gem_obj);
goto err_release_framebuffer;
goto err_release_fbi;
}
exynos_fbdev->exynos_gem_obj = exynos_gem_obj;
@ -178,33 +178,23 @@ static int exynos_drm_fbdev_create(struct drm_fb_helper *helper,
goto err_destroy_gem;
}
helper->fbdev = fbi;
fbi->par = helper;
fbi->flags = FBINFO_FLAG_DEFAULT;
fbi->fbops = &exynos_drm_fb_ops;
ret = fb_alloc_cmap(&fbi->cmap, 256, 0);
if (ret) {
DRM_ERROR("failed to allocate cmap.\n");
goto err_destroy_framebuffer;
}
ret = exynos_drm_fbdev_update(helper, sizes, helper->fb);
if (ret < 0)
goto err_dealloc_cmap;
goto err_destroy_framebuffer;
mutex_unlock(&dev->struct_mutex);
return ret;
err_dealloc_cmap:
fb_dealloc_cmap(&fbi->cmap);
err_destroy_framebuffer:
drm_framebuffer_cleanup(helper->fb);
err_destroy_gem:
exynos_drm_gem_destroy(exynos_gem_obj);
err_release_framebuffer:
framebuffer_release(fbi);
err_release_fbi:
drm_fb_helper_release_fbi(helper);
/*
* if failed, all resources allocated above would be released by
@ -312,21 +302,8 @@ static void exynos_drm_fbdev_destroy(struct drm_device *dev,
}
}
/* release linux framebuffer */
if (fb_helper->fbdev) {
struct fb_info *info;
int ret;
info = fb_helper->fbdev;
ret = unregister_framebuffer(info);
if (ret < 0)
DRM_DEBUG_KMS("failed unregister_framebuffer()\n");
if (info->cmap.len)
fb_dealloc_cmap(&info->cmap);
framebuffer_release(info);
}
drm_fb_helper_unregister_fbi(fb_helper);
drm_fb_helper_release_fbi(fb_helper);
drm_fb_helper_fini(fb_helper);
}