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drm/i915: Use container_of() in the fbdev code

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Use container_of() instead of a cast to get struct intel_fbdev
from struct drm_fb_helper.

Also populate the fb_info->par correctly with the drm_fb_helper pointer
instead of the intel_fbdev pointer.

There's no actual functional change since the drm_fb_helper happens to
be the first member inside intel_fbdev.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ville Syrjälä 2013-05-31 20:07:05 +03:00 committed by Daniel Vetter
parent 96a764d983
commit 3430824b4b
1 changed files with 4 additions and 3 deletions
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7
drivers/gpu/drm/i915/intel_fb.c
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@ -60,8 +60,9 @@ static struct fb_ops intelfb_ops = {
static int intelfb_create(struct drm_fb_helper *helper,
struct drm_fb_helper_surface_size *sizes)
{
struct intel_fbdev *ifbdev = (struct intel_fbdev *)helper;
struct drm_device *dev = ifbdev->helper.dev;
struct intel_fbdev *ifbdev =
container_of(helper, struct intel_fbdev, helper);
struct drm_device *dev = helper->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct fb_info *info;
struct drm_framebuffer *fb;
@ -108,7 +109,7 @@ static int intelfb_create(struct drm_fb_helper *helper,
goto out_unpin;
}
info->par = ifbdev;
info->par = helper;
ret = intel_framebuffer_init(dev, &ifbdev->ifb, &mode_cmd, obj);
if (ret)