linux/drivers/gpu/drm/msm/disp/mdp5/mdp5_mixer.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2017 The Linux Foundation. All rights reserved.
 */

#include "mdp5_kms.h"

/*
 * As of now, there are only 2 combinations possible for source split:
 *
 * Left | Right
 * -----|------
 *  LM0 | LM1
 *  LM2 | LM5
 *
 */
static int lm_right_pair[] = …;

static int get_right_pair_idx(struct mdp5_kms *mdp5_kms, int lm)
{ … }

int mdp5_mixer_assign(struct drm_atomic_state *s, struct drm_crtc *crtc,
		      uint32_t caps, struct mdp5_hw_mixer **mixer,
		      struct mdp5_hw_mixer **r_mixer)
{ … }

int mdp5_mixer_release(struct drm_atomic_state *s, struct mdp5_hw_mixer *mixer)
{ … }

static const char * const mixer_names[] = …;

struct mdp5_hw_mixer *mdp5_mixer_init(struct drm_device *dev,
				      const struct mdp5_lm_instance *lm)
{ … }