diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_dma.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 5 |
2 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 1867e2619e73..1763fbf34e1d 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1596,6 +1596,9 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) if (!drm_core_check_feature(dev, DRIVER_MODESET) && !dev->agp) return -EINVAL; + /* For the ugly agnostic INTEL_INFO macro */ + BUILD_BUG_ON(sizeof(*dev_priv) == sizeof(*dev)); + dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL); if (dev_priv == NULL) return -ENOMEM; diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 8a55f07d80cb..6959c1b2d648 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1981,7 +1981,10 @@ struct drm_i915_cmd_table { int count; }; -#define INTEL_INFO(p) (&to_i915(p)->info) +/* Note that the (struct drm_i915_private *) cast is just to shut up gcc. */ +#define __I915__(p) ((sizeof(*(p)) == sizeof(struct drm_i915_private)) ? \ + (struct drm_i915_private *)(p) : to_i915(p)) +#define INTEL_INFO(p) (&__I915__(p)->info) #define INTEL_DEVID(p) (INTEL_INFO(p)->device_id) #define IS_I830(dev) (INTEL_DEVID(dev) == 0x3577) |