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authorHaixia Shi <hshi@chromium.org>2015-01-30 21:57:27 +0300
committerDave Airlie <airlied@gmail.com>2015-01-31 03:12:23 +0300
commit6c3912d69b23e33e8f8b9479cd7bf5331345615d (patch)
tree70e89f9a990eb01e05df33c26cca185541138219 /drivers/gpu/drm/udl/udl_modeset.c
parent56a8620a15bbc05d8ef57ace7fc769372de1178a (diff)
downloadlinux-6c3912d69b23e33e8f8b9479cd7bf5331345615d.tar.xz
drm/udl: properly set active_16 flag in udl_crtc_page_flip(). (v2)
When page flipping, we need to mark the new fb as active and unmark the active flag for the old fb (if different). Signed-off-by: Haixia Shi <hshi@chromium.org> Reviewed-by: Stéphane Marchesin <marcheu@chromium.org> Signed-off-by: Dave Airlie <airlied@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/udl/udl_modeset.c')
-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);