drm/bochs: atomic: add atomic_flush+atomic_enable callbacks. (0f0eb98e) · Commits · 戴 / test

drivers/gpu/drm/bochs/bochs_kms.c

+25 −0

Original line number	Diff line number	Diff line
		@@ -115,6 +115,29 @@ static int bochs_crtc_page_flip(struct drm_crtc *crtc,
		return 0;
		}

		static void bochs_crtc_atomic_enable(struct drm_crtc *crtc,
		struct drm_crtc_state *old_crtc_state)
		{
		}

		static void bochs_crtc_atomic_flush(struct drm_crtc *crtc,
		struct drm_crtc_state *old_crtc_state)
		{
		struct drm_device *dev = crtc->dev;
		struct drm_pending_vblank_event *event;

		if (crtc->state && crtc->state->event) {
		unsigned long irqflags;

		spin_lock_irqsave(&dev->event_lock, irqflags);
		event = crtc->state->event;
		crtc->state->event = NULL;
		drm_crtc_send_vblank_event(crtc, event);
		spin_unlock_irqrestore(&dev->event_lock, irqflags);
		}
		}


		/* These provide the minimum set of functions required to handle a CRTC */
		static const struct drm_crtc_funcs bochs_crtc_funcs = {
		.set_config = drm_crtc_helper_set_config,
		@@ -128,6 +151,8 @@ static const struct drm_crtc_helper_funcs bochs_helper_funcs = {
		.mode_set_base = bochs_crtc_mode_set_base,
		.prepare = bochs_crtc_prepare,
		.commit = bochs_crtc_commit,
		.atomic_enable = bochs_crtc_atomic_enable,
		.atomic_flush = bochs_crtc_atomic_flush,
		};

		static const uint32_t bochs_formats[] = {