summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/gpu/drm/bochs/bochs_kms.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/drm/bochs/bochs_kms.c b/drivers/gpu/drm/bochs/bochs_kms.c
index 5ffd489..85f0f8cf 100644
--- a/drivers/gpu/drm/bochs/bochs_kms.c
+++ b/drivers/gpu/drm/bochs/bochs_kms.c
@@ -109,11 +109,32 @@ static void bochs_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
{
}
+static int bochs_crtc_page_flip(struct drm_crtc *crtc,
+ struct drm_framebuffer *fb,
+ struct drm_pending_vblank_event *event,
+ uint32_t page_flip_flags)
+{
+ struct bochs_device *bochs =
+ container_of(crtc, struct bochs_device, crtc);
+ struct drm_framebuffer *old_fb = crtc->primary->fb;
+ unsigned long irqflags;
+
+ crtc->primary->fb = fb;
+ bochs_crtc_mode_set_base(crtc, 0, 0, old_fb);
+ if (event) {
+ spin_lock_irqsave(&bochs->dev->event_lock, irqflags);
+ drm_send_vblank_event(bochs->dev, -1, event);
+ spin_unlock_irqrestore(&bochs->dev->event_lock, irqflags);
+ }
+ return 0;
+}
+
/* These provide the minimum set of functions required to handle a CRTC */
static const struct drm_crtc_funcs bochs_crtc_funcs = {
.gamma_set = bochs_crtc_gamma_set,
.set_config = drm_crtc_helper_set_config,
.destroy = drm_crtc_cleanup,
+ .page_flip = bochs_crtc_page_flip,
};
static const struct drm_crtc_helper_funcs bochs_helper_funcs = {
OpenPOWER on IntegriCloud