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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/drivers/gpu/drm/rockchip/rockchip_drm_fbdev.c
..
..
@@ -1,21 +1,13 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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2
 /*
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  * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
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  * Author:Mark Yao <mark.yao@rock-chips.com>
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- *
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- * This software is licensed under the terms of the GNU General Public
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- * License version 2, as published by the Free Software Foundation, and
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- * may be copied, distributed, and modified under those terms.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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5
  */
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6
 
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 #include <drm/drm.h>
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-#include <drm/drmP.h>
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8
 #include <drm/drm_fb_helper.h>
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-#include <drm/drm_crtc_helper.h>
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+#include <drm/drm_fourcc.h>
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+#include <drm/drm_probe_helper.h>
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11
 
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12
 #include "rockchip_drm_drv.h"
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13
 #include "rockchip_drm_gem.h"
..
..
@@ -33,31 +25,13 @@
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25
 	return rockchip_gem_mmap_buf(private->fbdev_bo, vma);
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26
 }
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27
 
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-static struct dma_buf *rockchip_fbdev_get_dma_buf(struct fb_info *info)
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-{
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-	struct dma_buf *buf = NULL;
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-	struct drm_fb_helper *helper = info->par;
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-	struct rockchip_drm_private *private = helper->dev->dev_private;
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-	struct drm_device *dev = helper->dev;
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-
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-	if (dev->driver->gem_prime_export) {
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-		buf = dev->driver->gem_prime_export(dev, private->fbdev_bo,
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-						    O_RDWR);
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-		if (buf)
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-			drm_gem_object_get(private->fbdev_bo);
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-	}
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-
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-	return buf;
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-}
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-
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-static struct fb_ops rockchip_drm_fbdev_ops = {
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+static const struct fb_ops rockchip_drm_fbdev_ops = {
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29
 	.owner		= THIS_MODULE,
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30
 	DRM_FB_HELPER_DEFAULT_OPS,
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+	.fb_mmap	= rockchip_fbdev_mmap,
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32
 	.fb_fillrect	= drm_fb_helper_cfb_fillrect,
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33
 	.fb_copyarea	= drm_fb_helper_cfb_copyarea,
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34
 	.fb_imageblit	= drm_fb_helper_cfb_imageblit,
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-	.fb_mmap		= rockchip_fbdev_mmap,
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-	.fb_dmabuf_export	= rockchip_fbdev_get_dma_buf,
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35
 };
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36
 
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 static int rockchip_drm_fbdev_create(struct drm_fb_helper *helper,
..
..
@@ -106,13 +80,10 @@
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 		goto out;
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81
 	}
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82
 
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-	fbi->par = helper;
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-	fbi->flags = FBINFO_FLAG_DEFAULT;
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83
 	fbi->fbops = &rockchip_drm_fbdev_ops;
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84
 
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 	fb = helper->fb;
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-	drm_fb_helper_fill_fix(fbi, fb->pitches[0], fb->format->depth);
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-	drm_fb_helper_fill_var(fbi, helper, sizes->fb_width, sizes->fb_height);
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+	drm_fb_helper_fill_info(fbi, helper, sizes);
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87
 
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 	offset = fbi->var.xoffset * bytes_per_pixel;
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 	offset += fbi->var.yoffset * fb->pitches[0];
..
..
@@ -127,12 +98,10 @@
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98
 		      rk_obj->kvaddr,
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 		      offset, size);
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100
 
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-	fbi->skip_vt_switch = true;
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-
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 	return 0;
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102
 
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 out:
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-	rockchip_gem_free_object(&rk_obj->base);
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+	drm_gem_object_put(&rk_obj->base);
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 	return ret;
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 }
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107
 
..
..
@@ -156,19 +125,12 @@
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125
 
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126
 	drm_fb_helper_prepare(dev, helper, &rockchip_drm_fb_helper_funcs);
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127
 
159
-	ret = drm_fb_helper_init(dev, helper, ROCKCHIP_MAX_CONNECTOR);
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+	ret = drm_fb_helper_init(dev, helper);
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129
 	if (ret < 0) {
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 		DRM_DEV_ERROR(dev->dev,
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131
 			      "Failed to initialize drm fb helper - %d.\n",
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132
 			      ret);
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133
 		return ret;
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-	}
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-
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-	ret = drm_fb_helper_single_add_all_connectors(helper);
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-	if (ret < 0) {
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-		DRM_DEV_ERROR(dev->dev,
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-			      "Failed to add connectors - %d.\n", ret);
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-		goto err_drm_fb_helper_fini;
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134
 	}
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135
 
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136
 	ret = drm_fb_helper_initial_config(helper, PREFERRED_BPP);