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-rw-r--r--drivers/gpu/drm/udl/udl_modeset.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c
index 1701f1dfb23f..677190a65e82 100644
--- a/drivers/gpu/drm/udl/udl_modeset.c
+++ b/drivers/gpu/drm/udl/udl_modeset.c
@@ -340,11 +340,11 @@ static int udl_crtc_mode_set(struct drm_crtc *crtc,
wrptr = udl_dummy_render(wrptr);
- ufb->active_16 = true;
if (old_fb) {
struct udl_framebuffer *uold_fb = to_udl_fb(old_fb);
uold_fb->active_16 = false;
}
+ ufb->active_16 = true;
udl->mode_buf_len = wrptr - buf;
/* damage all of it */
@@ -373,6 +373,13 @@ static int udl_crtc_page_flip(struct drm_crtc *crtc,
struct drm_device *dev = crtc->dev;
unsigned long flags;
+ struct drm_framebuffer *old_fb = crtc->primary->fb;
+ if (old_fb) {
+ struct udl_framebuffer *uold_fb = to_udl_fb(old_fb);
+ uold_fb->active_16 = false;
+ }
+ ufb->active_16 = true;
+
udl_handle_damage(ufb, 0, 0, fb->width, fb->height);
spin_lock_irqsave(&dev->event_lock, flags);