linux/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c

// SPDX-License-Identifier: GPL-2.0
/*
 * (C) COPYRIGHT 2018 ARM Limited. All rights reserved.
 * Author: James.Qian.Wang <[email protected]>
 *
 */
#include <drm/drm_device.h>
#include <drm/drm_fb_dma_helper.h>
#include <drm/drm_gem.h>
#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>

#include "komeda_framebuffer.h"
#include "komeda_dev.h"

static void komeda_fb_destroy(struct drm_framebuffer *fb)
{ … }

static int komeda_fb_create_handle(struct drm_framebuffer *fb,
				   struct drm_file *file, u32 *handle)
{ … }

static const struct drm_framebuffer_funcs komeda_fb_funcs = …;

static int
komeda_fb_afbc_size_check(struct komeda_fb *kfb, struct drm_file *file,
			  const struct drm_mode_fb_cmd2 *mode_cmd)
{ … }

static int
komeda_fb_none_afbc_size_check(struct komeda_dev *mdev, struct komeda_fb *kfb,
			       struct drm_file *file,
			       const struct drm_mode_fb_cmd2 *mode_cmd)
{ … }

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

int komeda_fb_check_src_coords(const struct komeda_fb *kfb,
			       u32 src_x, u32 src_y, u32 src_w, u32 src_h)
{ … }

dma_addr_t
komeda_fb_get_pixel_addr(struct komeda_fb *kfb, int x, int y, int plane)
{ … }

/* if the fb can be supported by a specific layer */
bool komeda_fb_is_layer_supported(struct komeda_fb *kfb, u32 layer_type,
				  u32 rot)
{ … }