C++ (Cpp) multiple_pipes_ok示例

示例#1

文件： intel_fbc.c 项目： IntelBUAP/Repo-Linux-RT

void intel_fbc_pre_update(struct intel_crtc *crtc)
{
	struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;
	struct intel_fbc *fbc = &dev_priv->fbc;

	if (!fbc_supported(dev_priv))
		return;

	mutex_lock(&fbc->lock);

	if (!multiple_pipes_ok(crtc)) {
		fbc->no_fbc_reason = "more than one pipe active";
		goto deactivate;
	}

	if (!fbc->enabled || fbc->crtc != crtc)
		goto unlock;

	intel_fbc_update_state_cache(crtc);

deactivate:
	intel_fbc_deactivate(dev_priv);
unlock:
	mutex_unlock(&fbc->lock);
}

示例#2

文件： intel_fbc.c 项目： krzk/linux

void intel_fbc_pre_update(struct intel_crtc *crtc,
			  struct intel_crtc_state *crtc_state,
			  struct intel_plane_state *plane_state)
{
	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
	struct intel_fbc *fbc = &dev_priv->fbc;
	const char *reason = "update pending";

	if (!fbc_supported(dev_priv))
		return;

	mutex_lock(&fbc->lock);

	if (!multiple_pipes_ok(crtc, plane_state)) {
		reason = "more than one pipe active";
		goto deactivate;
	}

	if (!fbc->enabled || fbc->crtc != crtc)
		goto unlock;

	intel_fbc_update_state_cache(crtc, crtc_state, plane_state);

deactivate:
	intel_fbc_deactivate(dev_priv, reason);
unlock:
	mutex_unlock(&fbc->lock);
}