linux/drivers/gpu/drm/msm/msm_fb.c

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

#include <drm/drm_crtc.h>
#include <drm/drm_damage_helper.h>
#include <drm/drm_file.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_framebuffer.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_probe_helper.h>

#include "msm_drv.h"
#include "msm_kms.h"
#include "msm_gem.h"

struct msm_framebuffer { … };
#define to_msm_framebuffer(x) …

static struct drm_framebuffer *msm_framebuffer_init(struct drm_device *dev,
		const struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos);

static int msm_framebuffer_dirtyfb(struct drm_framebuffer *fb,
				   struct drm_file *file_priv, unsigned int flags,
				   unsigned int color, struct drm_clip_rect *clips,
				   unsigned int num_clips)
{ … }

static const struct drm_framebuffer_funcs msm_framebuffer_funcs = …;

#ifdef CONFIG_DEBUG_FS
void msm_framebuffer_describe(struct drm_framebuffer *fb, struct seq_file *m)
{ … }
#endif

/* prepare/pin all the fb's bo's for scanout.
 */
int msm_framebuffer_prepare(struct drm_framebuffer *fb,
		struct msm_gem_address_space *aspace,
		bool needs_dirtyfb)
{ … }

void msm_framebuffer_cleanup(struct drm_framebuffer *fb,
		struct msm_gem_address_space *aspace,
		bool needed_dirtyfb)
{ … }

uint32_t msm_framebuffer_iova(struct drm_framebuffer *fb,
		struct msm_gem_address_space *aspace, int plane)
{ … }

struct drm_gem_object *msm_framebuffer_bo(struct drm_framebuffer *fb, int plane)
{ … }

const struct msm_format *msm_framebuffer_format(struct drm_framebuffer *fb)
{ … }

struct drm_framebuffer *msm_framebuffer_create(struct drm_device *dev,
		struct drm_file *file, const struct drm_mode_fb_cmd2 *mode_cmd)
{ … }

static struct drm_framebuffer *msm_framebuffer_init(struct drm_device *dev,
		const struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos)
{ … }

struct drm_framebuffer *
msm_alloc_stolen_fb(struct drm_device *dev, int w, int h, int p, uint32_t format)
{ … }