示例#1
0
void msm_atomic_commit_tail(struct drm_atomic_state *state)
{
	struct drm_device *dev = state->dev;
	struct msm_drm_private *priv = dev->dev_private;
	struct msm_kms *kms = priv->kms;

	kms->funcs->prepare_commit(kms, state);

	drm_atomic_helper_commit_modeset_disables(dev, state);

	drm_atomic_helper_commit_planes(dev, state, 0);

	drm_atomic_helper_commit_modeset_enables(dev, state);

	if (kms->funcs->commit) {
		DRM_DEBUG_ATOMIC("triggering commit\n");
		kms->funcs->commit(kms, state);
	}

	msm_atomic_wait_for_commit_done(dev, state);

	kms->funcs->complete_commit(kms, state);

	drm_atomic_helper_commit_hw_done(state);

	drm_atomic_helper_cleanup_planes(dev, state);
}
示例#2
0
static void
atmel_hlcdc_dc_atomic_complete(struct atmel_hlcdc_dc_commit *commit)
{
	struct drm_device *dev = commit->dev;
	struct atmel_hlcdc_dc *dc = dev->dev_private;
	struct drm_atomic_state *old_state = commit->state;

	/* Apply the atomic update. */
	drm_atomic_helper_commit_modeset_disables(dev, old_state);
	drm_atomic_helper_commit_planes(dev, old_state, 0);
	drm_atomic_helper_commit_modeset_enables(dev, old_state);

	drm_atomic_helper_wait_for_vblanks(dev, old_state);

	drm_atomic_helper_cleanup_planes(dev, old_state);

	drm_atomic_state_free(old_state);

	/* Complete the commit, wake up any waiter. */
	spin_lock(&dc->commit.wait.lock);
	dc->commit.pending = false;
	wake_up_all_locked(&dc->commit.wait);
	spin_unlock(&dc->commit.wait.lock);

	kfree(commit);
}
示例#3
0
/* The (potentially) asynchronous part of the commit.  At this point
 * nothing can fail short of armageddon.
 */
static void complete_commit(struct msm_commit *c)
{
	struct drm_atomic_state *state = c->state;
	struct drm_device *dev = state->dev;

	drm_atomic_helper_commit_modeset_disables(dev, state);

	drm_atomic_helper_commit_planes(dev, state);

	drm_atomic_helper_commit_modeset_enables(dev, state);

	/* NOTE: _wait_for_vblanks() only waits for vblank on
	 * enabled CRTCs.  So we end up faulting when disabling
	 * due to (potentially) unref'ing the outgoing fb's
	 * before the vblank when the disable has latched.
	 *
	 * But if it did wait on disabled (or newly disabled)
	 * CRTCs, that would be racy (ie. we could have missed
	 * the irq.  We need some way to poll for pipe shut
	 * down.  Or just live with occasionally hitting the
	 * timeout in the CRTC disable path (which really should
	 * not be critical path)
	 */

	drm_atomic_helper_wait_for_vblanks(dev, state);

	drm_atomic_helper_cleanup_planes(dev, state);

	drm_atomic_state_free(state);

	end_atomic(dev->dev_private, c->crtc_mask);

	kfree(c);
}
示例#4
0
static void vgdev_atomic_commit_tail(struct drm_atomic_state *state)
{
	struct drm_device *dev = state->dev;

	drm_atomic_helper_commit_modeset_disables(dev, state);
	drm_atomic_helper_commit_modeset_enables(dev, state);
	drm_atomic_helper_commit_planes(dev, state, 0);

	drm_atomic_helper_commit_hw_done(state);

	drm_atomic_helper_wait_for_vblanks(dev, state);
	drm_atomic_helper_cleanup_planes(dev, state);
}
示例#5
0
static void omap_atomic_commit_tail(struct drm_atomic_state *old_state)
{
	struct drm_device *dev = old_state->dev;
	struct omap_drm_private *priv = dev->dev_private;

	priv->dispc_ops->runtime_get();

	/* Apply the atomic update. */
	drm_atomic_helper_commit_modeset_disables(dev, old_state);

	if (priv->omaprev != 0x3430) {
		/* With the current dss dispc implementation we have to enable
		 * the new modeset before we can commit planes. The dispc ovl
		 * configuration relies on the video mode configuration been
		 * written into the HW when the ovl configuration is
		 * calculated.
		 *
		 * This approach is not ideal because after a mode change the
		 * plane update is executed only after the first vblank
		 * interrupt. The dispc implementation should be fixed so that
		 * it is able use uncommitted drm state information.
		 */
		drm_atomic_helper_commit_modeset_enables(dev, old_state);
		omap_atomic_wait_for_completion(dev, old_state);

		drm_atomic_helper_commit_planes(dev, old_state, 0);

		drm_atomic_helper_commit_hw_done(old_state);
	} else {
		/*
		 * OMAP3 DSS seems to have issues with the work-around above,
		 * resulting in endless sync losts if a crtc is enabled without
		 * a plane. For now, skip the WA for OMAP3.
		 */
		drm_atomic_helper_commit_planes(dev, old_state, 0);

		drm_atomic_helper_commit_modeset_enables(dev, old_state);

		drm_atomic_helper_commit_hw_done(old_state);
	}

	/*
	 * Wait for completion of the page flips to ensure that old buffers
	 * can't be touched by the hardware anymore before cleaning up planes.
	 */
	omap_atomic_wait_for_completion(dev, old_state);

	drm_atomic_helper_cleanup_planes(dev, old_state);

	priv->dispc_ops->runtime_put();
}
示例#6
0
/**
 * intel_atomic_commit - commit validated state object
 * @dev: DRM device
 * @state: the top-level driver state object
 * @async: asynchronous commit
 *
 * This function commits a top-level state object that has been validated
 * with drm_atomic_helper_check().
 *
 * FIXME:  Atomic modeset support for i915 is not yet complete.  At the moment
 * we can only handle plane-related operations and do not yet support
 * asynchronous commit.
 *
 * RETURNS
 * Zero for success or -errno.
 */
int intel_atomic_commit(struct drm_device *dev,
			struct drm_atomic_state *state,
			bool async)
{
	int ret;
	int i;

	if (async) {
		DRM_DEBUG_KMS("i915 does not yet support async commit\n");
		return -EINVAL;
	}

	ret = drm_atomic_helper_prepare_planes(dev, state);
	if (ret)
		return ret;

	/* Point of no return */

	/*
	 * FIXME:  The proper sequence here will eventually be:
	 *
	 * drm_atomic_helper_swap_state(dev, state)
	 * drm_atomic_helper_commit_pre_planes(dev, state);
	 * drm_atomic_helper_commit_planes(dev, state);
	 * drm_atomic_helper_commit_post_planes(dev, state);
	 * drm_atomic_helper_wait_for_vblanks(dev, state);
	 * drm_atomic_helper_cleanup_planes(dev, state);
	 * drm_atomic_state_free(state);
	 *
	 * once we have full atomic modeset.  For now, just manually update
	 * plane states to avoid clobbering good states with dummy states
	 * while nuclear pageflipping.
	 */
	for (i = 0; i < dev->mode_config.num_total_plane; i++) {
		struct drm_plane *plane = state->planes[i];

		if (!plane)
			continue;

		plane->state->state = state;
		swap(state->plane_states[i], plane->state);
		plane->state->state = NULL;
	}
	drm_atomic_helper_commit_planes(dev, state);
	drm_atomic_helper_wait_for_vblanks(dev, state);
	drm_atomic_helper_cleanup_planes(dev, state);
	drm_atomic_state_free(state);

	return 0;
}
static void malidp_atomic_commit_tail(struct drm_atomic_state *state)
{
	struct drm_device *drm = state->dev;

	drm_atomic_helper_commit_modeset_disables(drm, state);
	drm_atomic_helper_commit_modeset_enables(drm, state);
	drm_atomic_helper_commit_planes(drm, state, true);

	malidp_atomic_commit_hw_done(state);

	drm_atomic_helper_wait_for_vblanks(drm, state);

	drm_atomic_helper_cleanup_planes(drm, state);
}
示例#8
0
static int atmel_hlcdc_dc_atomic_commit(struct drm_device *dev,
					struct drm_atomic_state *state,
					bool async)
{
	struct atmel_hlcdc_dc *dc = dev->dev_private;
	struct atmel_hlcdc_dc_commit *commit;
	int ret;

	ret = drm_atomic_helper_prepare_planes(dev, state);
	if (ret)
		return ret;

	/* Allocate the commit object. */
	commit = kzalloc(sizeof(*commit), GFP_KERNEL);
	if (!commit) {
		ret = -ENOMEM;
		goto error;
	}

	INIT_WORK(&commit->work, atmel_hlcdc_dc_atomic_work);
	commit->dev = dev;
	commit->state = state;

	spin_lock(&dc->commit.wait.lock);
	ret = wait_event_interruptible_locked(dc->commit.wait,
					      !dc->commit.pending);
	if (ret == 0)
		dc->commit.pending = true;
	spin_unlock(&dc->commit.wait.lock);

	if (ret) {
		kfree(commit);
		goto error;
	}

	/* Swap the state, this is the point of no return. */
	drm_atomic_helper_swap_state(state, true);

	if (async)
		queue_work(dc->wq, &commit->work);
	else
		atmel_hlcdc_dc_atomic_complete(commit);

	return 0;

error:
	drm_atomic_helper_cleanup_planes(dev, state);
	return ret;
}
示例#9
0
static void komeda_kms_commit_tail(struct drm_atomic_state *old_state)
{
	struct drm_device *dev = old_state->dev;

	drm_atomic_helper_commit_modeset_disables(dev, old_state);

	drm_atomic_helper_commit_planes(dev, old_state, 0);

	drm_atomic_helper_commit_modeset_enables(dev, old_state);

	drm_atomic_helper_wait_for_flip_done(dev, old_state);

	drm_atomic_helper_commit_hw_done(old_state);

	drm_atomic_helper_cleanup_planes(dev, old_state);
}
示例#10
0
文件: drm.c 项目: AlexShiLucky/linux
static void tegra_atomic_commit_tail(struct drm_atomic_state *old_state)
{
	struct drm_device *drm = old_state->dev;
	struct tegra_drm *tegra = drm->dev_private;

	if (tegra->hub) {
		drm_atomic_helper_commit_modeset_disables(drm, old_state);
		tegra_display_hub_atomic_commit(drm, old_state);
		drm_atomic_helper_commit_planes(drm, old_state, 0);
		drm_atomic_helper_commit_modeset_enables(drm, old_state);
		drm_atomic_helper_commit_hw_done(old_state);
		drm_atomic_helper_wait_for_vblanks(drm, old_state);
		drm_atomic_helper_cleanup_planes(drm, old_state);
	} else {
		drm_atomic_helper_commit_tail_rpm(old_state);
	}
}
示例#11
0
static void
rockchip_atomic_commit_tail(struct drm_atomic_state *state)
{
	struct drm_device *dev = state->dev;

	drm_atomic_helper_commit_modeset_disables(dev, state);

	drm_atomic_helper_commit_modeset_enables(dev, state);

	drm_atomic_helper_commit_planes(dev, state,
					DRM_PLANE_COMMIT_ACTIVE_ONLY);

	drm_atomic_helper_commit_hw_done(state);

	drm_atomic_helper_wait_for_vblanks(dev, state);

	drm_atomic_helper_cleanup_planes(dev, state);
}
示例#12
0
/* The (potentially) asynchronous part of the commit.  At this point
 * nothing can fail short of armageddon.
 */
static void complete_commit(struct msm_commit *c, bool async)
{
	struct drm_atomic_state *state = c->state;
	struct drm_device *dev = state->dev;
	struct msm_drm_private *priv = dev->dev_private;
	struct msm_kms *kms = priv->kms;

	drm_atomic_helper_wait_for_fences(dev, state, false);

	kms->funcs->prepare_commit(kms, state);

	drm_atomic_helper_commit_modeset_disables(dev, state);

	drm_atomic_helper_commit_planes(dev, state, 0);

	drm_atomic_helper_commit_modeset_enables(dev, state);

	/* NOTE: _wait_for_vblanks() only waits for vblank on
	 * enabled CRTCs.  So we end up faulting when disabling
	 * due to (potentially) unref'ing the outgoing fb's
	 * before the vblank when the disable has latched.
	 *
	 * But if it did wait on disabled (or newly disabled)
	 * CRTCs, that would be racy (ie. we could have missed
	 * the irq.  We need some way to poll for pipe shut
	 * down.  Or just live with occasionally hitting the
	 * timeout in the CRTC disable path (which really should
	 * not be critical path)
	 */

	msm_atomic_wait_for_commit_done(dev, state);

	drm_atomic_helper_cleanup_planes(dev, state);

	kms->funcs->complete_commit(kms, state);

	drm_atomic_state_put(state);

	commit_destroy(c);
}
示例#13
0
文件: msm_atomic.c 项目: krzk/linux
void msm_atomic_commit_tail(struct drm_atomic_state *state)
{
	struct drm_device *dev = state->dev;
	struct msm_drm_private *priv = dev->dev_private;
	struct msm_kms *kms = priv->kms;

	kms->funcs->prepare_commit(kms, state);

	drm_atomic_helper_commit_modeset_disables(dev, state);

	drm_atomic_helper_commit_planes(dev, state, 0);

	drm_atomic_helper_commit_modeset_enables(dev, state);

	msm_atomic_wait_for_commit_done(dev, state);

	kms->funcs->complete_commit(kms, state);

	drm_atomic_helper_wait_for_vblanks(dev, state);

	drm_atomic_helper_commit_hw_done(state);

	drm_atomic_helper_cleanup_planes(dev, state);
}
示例#14
0
/**
 * drm_atomic_helper_commit - commit validated state object
 * @dev: DRM device
 * @state: the driver state object
 * @nonblock: nonblocking commit
 *
 * This function commits a with drm_atomic_helper_check() pre-validated state
 * object. This can still fail when e.g. the framebuffer reservation fails.
 *
 * RETURNS
 * Zero for success or -errno.
 */
int msm_atomic_commit(struct drm_device *dev,
		struct drm_atomic_state *state, bool nonblock)
{
	struct msm_drm_private *priv = dev->dev_private;
	int nplanes = dev->mode_config.num_total_plane;
	int ncrtcs = dev->mode_config.num_crtc;
	struct msm_commit *c;
	int i, ret;

	ret = drm_atomic_helper_prepare_planes(dev, state);
	if (ret)
		return ret;

	c = commit_init(state);
	if (!c) {
		ret = -ENOMEM;
		goto error;
	}

	/*
	 * Figure out what crtcs we have:
	 */
	for (i = 0; i < ncrtcs; i++) {
		struct drm_crtc *crtc = state->crtcs[i];
		if (!crtc)
			continue;
		c->crtc_mask |= (1 << drm_crtc_index(crtc));
	}

	/*
	 * Figure out what fence to wait for:
	 */
	for (i = 0; i < nplanes; i++) {
		struct drm_plane *plane = state->planes[i];
		struct drm_plane_state *new_state = state->plane_states[i];

		if (!plane)
			continue;

		if ((plane->state->fb != new_state->fb) && new_state->fb) {
			struct drm_gem_object *obj = msm_framebuffer_bo(new_state->fb, 0);
			struct msm_gem_object *msm_obj = to_msm_bo(obj);

			new_state->fence = reservation_object_get_excl_rcu(msm_obj->resv);
		}
	}

	/*
	 * Wait for pending updates on any of the same crtc's and then
	 * mark our set of crtc's as busy:
	 */
	ret = start_atomic(dev->dev_private, c->crtc_mask);
	if (ret) {
		kfree(c);
		goto error;
	}

	/*
	 * This is the point of no return - everything below never fails except
	 * when the hw goes bonghits. Which means we can commit the new state on
	 * the software side now.
	 */

	drm_atomic_helper_swap_state(dev, state);

	/*
	 * Everything below can be run asynchronously without the need to grab
	 * any modeset locks at all under one conditions: It must be guaranteed
	 * that the asynchronous work has either been cancelled (if the driver
	 * supports it, which at least requires that the framebuffers get
	 * cleaned up with drm_atomic_helper_cleanup_planes()) or completed
	 * before the new state gets committed on the software side with
	 * drm_atomic_helper_swap_state().
	 *
	 * This scheme allows new atomic state updates to be prepared and
	 * checked in parallel to the asynchronous completion of the previous
	 * update. Which is important since compositors need to figure out the
	 * composition of the next frame right after having submitted the
	 * current layout.
	 */

	if (nonblock) {
		queue_work(priv->atomic_wq, &c->work);
		return 0;
	}

	complete_commit(c, false);

	return 0;

error:
	drm_atomic_helper_cleanup_planes(dev, state);
	return ret;
}