Merge branches 'pm-cpuidle', 'pm-core' and 'pm-sleep'

[linux-2.6-microblaze.git] / drivers / gpu / drm / i915 / display / intel_fbdev.c

diff --git a/drivers/gpu/drm/i915/display/intel_fbdev.c b/drivers/gpu/drm/i915/display/intel_fbdev.c
index 5575d7a..f76c06b 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_fbdev.c
+++ b/drivers/gpu/drm/i915/display/intel_fbdev.c
@@ -328,8 +328,20 @@ out_unlock:
        return ret;
 }
 
+static int intelfb_dirty(struct drm_fb_helper *helper, struct drm_clip_rect *clip)
+{
+       if (!(clip->x1 < clip->x2 && clip->y1 < clip->y2))
+               return 0;
+
+       if (helper->fb->funcs->dirty)
+               return helper->fb->funcs->dirty(helper->fb, NULL, 0, 0, clip, 1);
+
+       return 0;
+}
+
 static const struct drm_fb_helper_funcs intel_fb_helper_funcs = {
        .fb_probe = intelfb_create,
+       .fb_dirty = intelfb_dirty,
 };
 
 static void intel_fbdev_destroy(struct intel_fbdev *ifbdev)