drm/udl: properly set active_16 flag in udl_crtc_page_flip(). (v2) (6c3912d6) · Commits · 戴 / test

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:

drivers/gpu/drm/udl/udl_modeset.c

+8 −1

Original line number	Diff line number	Diff line
		@@ -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);