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drm/udl: properly set active_16 flag in udl_crtc_page_flip(). (v2)

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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>
This commit is contained in:
Haixia Shi 2015-01-30 10:57:27 -08:00 • committed by Dave Airlie
parent 56a8620a15
commit 6c3912d69b
1 changed files with 8 additions and 1 deletions
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9
drivers/gpu/drm/udl/udl_modeset.c
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@ -340,11 +340,11 @@ static int udl_crtc_mode_set(struct drm_crtc *crtc,
wrptr = udl_dummy_render(wrptr); wrptr = udl_dummy_render(wrptr);
ufb->active_16 = true;
if (old_fb) { if (old_fb) {
struct udl_framebuffer *uold_fb = to_udl_fb(old_fb); struct udl_framebuffer *uold_fb = to_udl_fb(old_fb);
uold_fb->active_16 = false; uold_fb->active_16 = false;
} }
ufb->active_16 = true;
udl->mode_buf_len = wrptr - buf; udl->mode_buf_len = wrptr - buf;
/* damage all of it */ /* damage all of it */
@ -373,6 +373,13 @@ static int udl_crtc_page_flip(struct drm_crtc *crtc,
struct drm_device *dev = crtc->dev; struct drm_device *dev = crtc->dev;
unsigned long flags; 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); udl_handle_damage(ufb, 0, 0, fb->width, fb->height);
spin_lock_irqsave(&dev->event_lock, flags); spin_lock_irqsave(&dev->event_lock, flags);