1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/gpu/drm/mga/mga_drv.h b/drivers/gpu/drm/mga/mga_drv.h
index ca4bc54ea214..fe453213600a 100644
--- a/drivers/gpu/drm/mga/mga_drv.h
+++ b/drivers/gpu/drm/mga/mga_drv.h
@@ -186,14 +186,14 @@ extern void mga_disable_vblank(struct drm_device *dev, int crtc);
 extern u32 mga_get_vblank_counter(struct drm_device *dev, int crtc);
 extern int mga_driver_fence_wait(struct drm_device *dev, unsigned int *sequence);
 extern int mga_driver_vblank_wait(struct drm_device *dev, unsigned int *sequence);
-extern irqreturn_t mga_driver_irq_handler(DRM_IRQ_ARGS);
+extern irqreturn_t mga_driver_irq_handler(int irq, void *arg);
 extern void mga_driver_irq_preinstall(struct drm_device *dev);
 extern int mga_driver_irq_postinstall(struct drm_device *dev);
 extern void mga_driver_irq_uninstall(struct drm_device *dev);
 extern long mga_compat_ioctl(struct file *filp, unsigned int cmd,
                              unsigned long arg);
 
-#define mga_flush_write_combine()       DRM_WRITEMEMORYBARRIER()
+#define mga_flush_write_combine()       wmb()
 
 #define MGA_READ8(reg)          DRM_READ8(dev_priv->mmio, (reg))
 #define MGA_READ(reg)           DRM_READ32(dev_priv->mmio, (reg))