redonkable/alistair23-linux
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drm/mgag200: 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.

v3:
- Don't touch remove_conflicting_framebuffers

v2:
- remove unused goto label 'out'

Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: David Airlie <airlied@linux.ie>
Cc: Alex Deucher <alexander.deucher@amd.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 2015-07-31 16:21:53 +05:30 committed by Daniel Vetter
parent 231e6faf02
commit 4f72a6eaed
1 changed files with 8 additions and 31 deletions
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39
drivers/gpu/drm/mgag200/mgag200_fb.c
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@ -101,7 +101,7 @@ static void mga_fillrect(struct fb_info *info,
const struct fb_fillrect *rect)
{
struct mga_fbdev *mfbdev = info->par;
sys_fillrect(info, rect);
drm_fb_helper_sys_fillrect(info, rect);
mga_dirty_update(mfbdev, rect->dx, rect->dy, rect->width,
rect->height);
}
@ -110,7 +110,7 @@ static void mga_copyarea(struct fb_info *info,
const struct fb_copyarea *area)
{
struct mga_fbdev *mfbdev = info->par;
sys_copyarea(info, area);
drm_fb_helper_sys_copyarea(info, area);
mga_dirty_update(mfbdev, area->dx, area->dy, area->width,
area->height);
}
@ -119,7 +119,7 @@ static void mga_imageblit(struct fb_info *info,
const struct fb_image *image)
{
struct mga_fbdev *mfbdev = info->par;
sys_imageblit(info, image);
drm_fb_helper_sys_imageblit(info, image);
mga_dirty_update(mfbdev, image->dx, image->dy, image->width,
image->height);
}
@ -166,7 +166,6 @@ static int mgag200fb_create(struct drm_fb_helper *helper,
struct fb_info *info;
struct drm_framebuffer *fb;
struct drm_gem_object *gobj = NULL;
struct device *device = &dev->pdev->dev;
int ret;
void *sysram;
int size;
@ -189,9 +188,9 @@ static int mgag200fb_create(struct drm_fb_helper *helper,
if (!sysram)
return -ENOMEM;
info = framebuffer_alloc(0, device);
if (info == NULL)
return -ENOMEM;
info = drm_fb_helper_alloc_fbi(helper);
if (IS_ERR(info))
return PTR_ERR(info);
info->par = mfbdev;
@ -206,14 +205,6 @@ static int mgag200fb_create(struct drm_fb_helper *helper,
/* setup helper */
mfbdev->helper.fb = fb;
mfbdev->helper.fbdev = info;
ret = fb_alloc_cmap(&info->cmap, 256, 0);
if (ret) {
DRM_ERROR("%s: can't allocate color map\n", info->fix.id);
ret = -ENOMEM;
goto out;
}
strcpy(info->fix.id, "mgadrmfb");
@ -221,11 +212,6 @@ static int mgag200fb_create(struct drm_fb_helper *helper,
info->fbops = &mgag200fb_ops;
/* setup aperture base/size for vesafb takeover */
info->apertures = alloc_apertures(1);
if (!info->apertures) {
ret = -ENOMEM;
goto out;
}
info->apertures->ranges[0].base = mdev->dev->mode_config.fb_base;
info->apertures->ranges[0].size = mdev->mc.vram_size;
@ -240,24 +226,15 @@ static int mgag200fb_create(struct drm_fb_helper *helper,
DRM_DEBUG_KMS("allocated %dx%d\n",
fb->width, fb->height);
return 0;
out:
return ret;
}
static int mga_fbdev_destroy(struct drm_device *dev,
struct mga_fbdev *mfbdev)
{
struct fb_info *info;
struct mga_framebuffer *mfb = &mfbdev->mfb;
if (mfbdev->helper.fbdev) {
info = mfbdev->helper.fbdev;
unregister_framebuffer(info);
if (info->cmap.len)
fb_dealloc_cmap(&info->cmap);
framebuffer_release(info);
}
drm_fb_helper_unregister_fbi(&mfbdev->helper);
drm_fb_helper_release_fbi(&mfbdev->helper);
if (mfb->obj) {
drm_gem_object_unreference_unlocked(mfb->obj);