From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_fb.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c
index e8389df..60d0cf6 100644
--- a/drivers/gpu/drm/i915/intel_fb.c
+++ b/drivers/gpu/drm/i915/intel_fb.c
@@ -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)
--
1.8.1.5
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