C++ (Cpp) drm_atomic_helper_check_modeset Beispiele

Beispiel #1

Datei: imx-drm-core.c Projekt: AlexShiLucky/linux

static int imx_drm_atomic_check(struct drm_device *dev,
				struct drm_atomic_state *state)
{
	int ret;

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

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

	/*
	 * Check modeset again in case crtc_state->mode_changed is
	 * updated in plane's ->atomic_check callback.
	 */
	ret = drm_atomic_helper_check_modeset(dev, state);
	if (ret)
		return ret;

	/* Assign PRG/PRE channels and check if all constrains are satisfied. */
	ret = ipu_planes_assign_pre(dev, state);
	if (ret)
		return ret;

	return ret;
}

Beispiel #2

Datei: msm_atomic.c Projekt: 513855417/linux

int msm_atomic_check(struct drm_device *dev,
		     struct drm_atomic_state *state)
{
	int ret;

	/*
	 * msm ->atomic_check can update ->mode_changed for pixel format
	 * changes, hence must be run before we check the modeset changes.
	 */
	ret = drm_atomic_helper_check_planes(dev, state);
	if (ret)
		return ret;

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

	return ret;
}