drm: Push dirtyfb ioctl kms locking down to drivers

Not all drivers will need take all the modeset locks for dirtyfb, so
push the locking down to the drivers.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/gpu/drm/omapdrm/omap_fb.c b/drivers/gpu/drm/omapdrm/omap_fb.c
index f2b8f0668c0c..f466c4aaee94 100644
--- a/drivers/gpu/drm/omapdrm/omap_fb.c
+++ b/drivers/gpu/drm/omapdrm/omap_fb.c
@@ -123,12 +123,16 @@ static int omap_framebuffer_dirty(struct drm_framebuffer *fb,
 {
         int i;
 
+        drm_modeset_lock_all(fb->dev);
+
         for (i = 0; i < num_clips; i++) {
                 omap_framebuffer_flush(fb, clips[i].x1, clips[i].y1,
                                         clips[i].x2 - clips[i].x1,
                                         clips[i].y2 - clips[i].y1);
         }
 
+        drm_modeset_unlock_all(fb->dev);
+
         return 0;
 }