linux/drivers/gpu/drm/msm/disp/mdp4/mdp4_plane.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2013 Red Hat
 * Author: Rob Clark <[email protected]>
 */

#include <drm/drm_atomic.h>
#include <drm/drm_damage_helper.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_framebuffer.h>
#include <drm/drm_gem_atomic_helper.h>

#include "mdp4_kms.h"

#define DOWN_SCALE_MAX …
#define UP_SCALE_MAX …

struct mdp4_plane { … };
#define to_mdp4_plane(x) …

/* MDP format helper functions */
static inline
enum mdp4_frame_format mdp4_get_frame_format(struct drm_framebuffer *fb)
{ … }

static void mdp4_plane_set_scanout(struct drm_plane *plane,
		struct drm_framebuffer *fb);
static int mdp4_plane_mode_set(struct drm_plane *plane,
		struct drm_crtc *crtc, struct drm_framebuffer *fb,
		int crtc_x, int crtc_y,
		unsigned int crtc_w, unsigned int crtc_h,
		uint32_t src_x, uint32_t src_y,
		uint32_t src_w, uint32_t src_h);

static struct mdp4_kms *get_kms(struct drm_plane *plane)
{ … }

/* helper to install properties which are common to planes and crtcs */
static void mdp4_plane_install_properties(struct drm_plane *plane,
		struct drm_mode_object *obj)
{ … }

static int mdp4_plane_set_property(struct drm_plane *plane,
		struct drm_property *property, uint64_t val)
{ … }

static const struct drm_plane_funcs mdp4_plane_funcs = …;

static int mdp4_plane_prepare_fb(struct drm_plane *plane,
				 struct drm_plane_state *new_state)
{ … }

static void mdp4_plane_cleanup_fb(struct drm_plane *plane,
				  struct drm_plane_state *old_state)
{ … }


static int mdp4_plane_atomic_check(struct drm_plane *plane,
		struct drm_atomic_state *state)
{ … }

static void mdp4_plane_atomic_update(struct drm_plane *plane,
				     struct drm_atomic_state *state)
{ … }

static const struct drm_plane_helper_funcs mdp4_plane_helper_funcs = …;

static void mdp4_plane_set_scanout(struct drm_plane *plane,
		struct drm_framebuffer *fb)
{ … }

static void mdp4_write_csc_config(struct mdp4_kms *mdp4_kms,
		enum mdp4_pipe pipe, struct csc_cfg *csc)
{ … }

#define MDP4_VG_PHASE_STEP_DEFAULT …

static int mdp4_plane_mode_set(struct drm_plane *plane,
		struct drm_crtc *crtc, struct drm_framebuffer *fb,
		int crtc_x, int crtc_y,
		unsigned int crtc_w, unsigned int crtc_h,
		uint32_t src_x, uint32_t src_y,
		uint32_t src_w, uint32_t src_h)
{ … }

static const char *pipe_names[] = …;

enum mdp4_pipe mdp4_plane_pipe(struct drm_plane *plane)
{ … }

static const uint64_t supported_format_modifiers[] = …;

static const uint32_t mdp4_rgb_formats[] = …;

static const uint32_t mdp4_rgb_yuv_formats[] = …;

/* initialize plane */
struct drm_plane *mdp4_plane_init(struct drm_device *dev,
		enum mdp4_pipe pipe_id, bool private_plane)
{ … }