modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/drivers/gpu/drm/tegra/fb.c
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..
@@ -1,20 +1,20 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright (C) 2012-2013 Avionic Design GmbH
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  * Copyright (C) 2012 NVIDIA CORPORATION.  All rights reserved.
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  *
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  * Based on the KMS/FB CMA helpers
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- *   Copyright (C) 2012 Analog Device Inc.
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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+ *   Copyright (C) 2012 Analog Devices Inc.
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  */
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9
 
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 #include <linux/console.h>
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11
 
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+#include <drm/drm_fourcc.h>
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+#include <drm/drm_gem_framebuffer_helper.h>
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+#include <drm/drm_modeset_helper.h>
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+
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 #include "drm.h"
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 #include "gem.h"
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-#include <drm/drm_gem_framebuffer_helper.h>
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 #ifdef CONFIG_DRM_FBDEV_EMULATION
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 static inline struct tegra_fbdev *to_tegra_fbdev(struct drm_fb_helper *helper)
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@@ -130,18 +130,16 @@
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 					struct drm_file *file,
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 					const struct drm_mode_fb_cmd2 *cmd)
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 {
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-	unsigned int hsub, vsub, i;
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+	const struct drm_format_info *info = drm_get_format_info(drm, cmd);
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 	struct tegra_bo *planes[4];
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 	struct drm_gem_object *gem;
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 	struct drm_framebuffer *fb;
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+	unsigned int i;
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 	int err;
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-	hsub = drm_format_horz_chroma_subsampling(cmd->pixel_format);
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-	vsub = drm_format_vert_chroma_subsampling(cmd->pixel_format);
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-
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-	for (i = 0; i < drm_format_num_planes(cmd->pixel_format); i++) {
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-		unsigned int width = cmd->width / (i ? hsub : 1);
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-		unsigned int height = cmd->height / (i ? vsub : 1);
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+	for (i = 0; i < info->num_planes; i++) {
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+		unsigned int width = cmd->width / (i ? info->hsub : 1);
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+		unsigned int height = cmd->height / (i ? info->vsub : 1);
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 		unsigned int size, bpp;
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 		gem = drm_gem_object_lookup(file, cmd->handles[i]);
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@@ -150,7 +148,7 @@
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 			goto unreference;
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 		}
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-		bpp = drm_format_plane_cpp(cmd->pixel_format, i);
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+		bpp = info->cpp[i];
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 		size = (height - 1) * cmd->pitches[i] +
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 		       width * bpp + cmd->offsets[i];
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@@ -173,7 +171,7 @@
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 unreference:
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 	while (i--)
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-		drm_gem_object_put_unlocked(&planes[i]->gem);
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+		drm_gem_object_put(&planes[i]->gem);
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 	return ERR_PTR(err);
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 }
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@@ -194,7 +192,7 @@
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 	return __tegra_gem_mmap(&bo->gem, vma);
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 }
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-static struct fb_ops tegra_fb_ops = {
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+static const struct fb_ops tegra_fb_ops = {
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 	.owner = THIS_MODULE,
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 	DRM_FB_HELPER_DEFAULT_OPS,
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 	.fb_fillrect = drm_fb_helper_sys_fillrect,
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@@ -237,7 +235,7 @@
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 	info = drm_fb_helper_alloc_fbi(helper);
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 	if (IS_ERR(info)) {
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 		dev_err(drm->dev, "failed to allocate framebuffer info\n");
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-		drm_gem_object_put_unlocked(&bo->gem);
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+		drm_gem_object_put(&bo->gem);
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 		return PTR_ERR(info);
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 	}
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@@ -246,7 +244,7 @@
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 		err = PTR_ERR(fbdev->fb);
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 		dev_err(drm->dev, "failed to allocate DRM framebuffer: %d\n",
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 			err);
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-		drm_gem_object_put_unlocked(&bo->gem);
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+		drm_gem_object_put(&bo->gem);
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 		return PTR_ERR(fbdev->fb);
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 	}
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@@ -254,12 +252,9 @@
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 	helper->fb = fb;
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 	helper->fbdev = info;
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-	info->par = helper;
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-	info->flags = FBINFO_FLAG_DEFAULT;
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 	info->fbops = &tegra_fb_ops;
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-	drm_fb_helper_fill_fix(info, fb->pitches[0], fb->format->depth);
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-	drm_fb_helper_fill_var(info, helper, fb->width, fb->height);
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+	drm_fb_helper_fill_info(info, helper, sizes);
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 	offset = info->var.xoffset * bytes_per_pixel +
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 		 info->var.yoffset * fb->pitches[0];
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@@ -274,10 +269,10 @@
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 		}
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 	}
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-	drm->mode_config.fb_base = (resource_size_t)bo->paddr;
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+	drm->mode_config.fb_base = (resource_size_t)bo->iova;
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 	info->screen_base = (void __iomem *)bo->vaddr + offset;
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 	info->screen_size = size;
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-	info->fix.smem_start = (unsigned long)(bo->paddr + offset);
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+	info->fix.smem_start = (unsigned long)(bo->iova + offset);
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 	info->fix.smem_len = size;
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 	return 0;
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@@ -319,17 +314,11 @@
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 	struct drm_device *drm = fbdev->base.dev;
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 	int err;
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-	err = drm_fb_helper_init(drm, &fbdev->base, max_connectors);
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+	err = drm_fb_helper_init(drm, &fbdev->base);
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 	if (err < 0) {
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 		dev_err(drm->dev, "failed to initialize DRM FB helper: %d\n",
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 			err);
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 		return err;
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-	}
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-
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-	err = drm_fb_helper_single_add_all_connectors(&fbdev->base);
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-	if (err < 0) {
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-		dev_err(drm->dev, "failed to add connectors: %d\n", err);
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-		goto fini;
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 	}
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 	err = drm_fb_helper_initial_config(&fbdev->base, preferred_bpp);
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@@ -356,7 +345,7 @@
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 		/* Undo the special mapping we made in fbdev probe. */
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 		if (bo && bo->pages) {
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 			vunmap(bo->vaddr);
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-			bo->vaddr = 0;
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+			bo->vaddr = NULL;
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 		}
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 		drm_framebuffer_remove(fbdev->fb);
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@@ -410,27 +399,5 @@
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 	struct tegra_drm *tegra = drm->dev_private;
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 	tegra_fbdev_exit(tegra->fbdev);
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-#endif
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-}
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-
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-void tegra_drm_fb_suspend(struct drm_device *drm)
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-{
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-#ifdef CONFIG_DRM_FBDEV_EMULATION
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-	struct tegra_drm *tegra = drm->dev_private;
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-
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-	console_lock();
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-	drm_fb_helper_set_suspend(&tegra->fbdev->base, 1);
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-	console_unlock();
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-#endif
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-}
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-
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-void tegra_drm_fb_resume(struct drm_device *drm)
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-{
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-#ifdef CONFIG_DRM_FBDEV_EMULATION
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-	struct tegra_drm *tegra = drm->dev_private;
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-
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-	console_lock();
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-	drm_fb_helper_set_suspend(&tegra->fbdev->base, 0);
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-	console_unlock();
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 #endif
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 }