diff options
Diffstat (limited to 'drivers/gpu/drm/udl/udl_modeset.c')
| -rw-r--r-- | drivers/gpu/drm/udl/udl_modeset.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c index 6582c9d27a87..44a741f463c9 100644 --- a/drivers/gpu/drm/udl/udl_modeset.c +++ b/drivers/gpu/drm/udl/udl_modeset.c @@ -332,11 +332,9 @@ static int udl_crtc_mode_set(struct drm_crtc *crtc, wrptr = udl_dummy_render(wrptr); - if (old_fb) { - struct udl_framebuffer *uold_fb = to_udl_fb(old_fb); - uold_fb->active_16 = false; - } - ufb->active_16 = true; + spin_lock(&udl->active_fb_16_lock); + udl->active_fb_16 = &ufb->base; + spin_unlock(&udl->active_fb_16_lock); udl->mode_buf_len = wrptr - buf; /* damage all of it */ @@ -364,13 +362,11 @@ static int udl_crtc_page_flip(struct drm_crtc *crtc, { struct udl_framebuffer *ufb = to_udl_fb(fb); struct drm_device *dev = crtc->dev; + struct udl_device *udl = dev->dev_private; - 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; + spin_lock(&udl->active_fb_16_lock); + udl->active_fb_16 = fb; + spin_unlock(&udl->active_fb_16_lock); udl_handle_damage(ufb, 0, 0, fb->width, fb->height); |