From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/drivers/gpu/drm/tegra/fb.c | 75 ++++++++++---------------------------
1 files changed, 21 insertions(+), 54 deletions(-)
diff --git a/kernel/drivers/gpu/drm/tegra/fb.c b/kernel/drivers/gpu/drm/tegra/fb.c
index 4c22cdd..01939c5 100644
--- a/kernel/drivers/gpu/drm/tegra/fb.c
+++ b/kernel/drivers/gpu/drm/tegra/fb.c
@@ -1,20 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2012-2013 Avionic Design GmbH
* Copyright (C) 2012 NVIDIA CORPORATION. All rights reserved.
*
* Based on the KMS/FB CMA helpers
- * Copyright (C) 2012 Analog Device Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
+ * Copyright (C) 2012 Analog Devices Inc.
*/
#include <linux/console.h>
+#include <drm/drm_fourcc.h>
+#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_modeset_helper.h>
+
#include "drm.h"
#include "gem.h"
-#include <drm/drm_gem_framebuffer_helper.h>
#ifdef CONFIG_DRM_FBDEV_EMULATION
static inline struct tegra_fbdev *to_tegra_fbdev(struct drm_fb_helper *helper)
@@ -130,18 +130,16 @@
struct drm_file *file,
const struct drm_mode_fb_cmd2 *cmd)
{
- unsigned int hsub, vsub, i;
+ const struct drm_format_info *info = drm_get_format_info(drm, cmd);
struct tegra_bo *planes[4];
struct drm_gem_object *gem;
struct drm_framebuffer *fb;
+ unsigned int i;
int err;
- hsub = drm_format_horz_chroma_subsampling(cmd->pixel_format);
- vsub = drm_format_vert_chroma_subsampling(cmd->pixel_format);
-
- for (i = 0; i < drm_format_num_planes(cmd->pixel_format); i++) {
- unsigned int width = cmd->width / (i ? hsub : 1);
- unsigned int height = cmd->height / (i ? vsub : 1);
+ for (i = 0; i < info->num_planes; i++) {
+ unsigned int width = cmd->width / (i ? info->hsub : 1);
+ unsigned int height = cmd->height / (i ? info->vsub : 1);
unsigned int size, bpp;
gem = drm_gem_object_lookup(file, cmd->handles[i]);
@@ -150,7 +148,7 @@
goto unreference;
}
- bpp = drm_format_plane_cpp(cmd->pixel_format, i);
+ bpp = info->cpp[i];
size = (height - 1) * cmd->pitches[i] +
width * bpp + cmd->offsets[i];
@@ -173,7 +171,7 @@
unreference:
while (i--)
- drm_gem_object_put_unlocked(&planes[i]->gem);
+ drm_gem_object_put(&planes[i]->gem);
return ERR_PTR(err);
}
@@ -194,7 +192,7 @@
return __tegra_gem_mmap(&bo->gem, vma);
}
-static struct fb_ops tegra_fb_ops = {
+static const struct fb_ops tegra_fb_ops = {
.owner = THIS_MODULE,
DRM_FB_HELPER_DEFAULT_OPS,
.fb_fillrect = drm_fb_helper_sys_fillrect,
@@ -237,7 +235,7 @@
info = drm_fb_helper_alloc_fbi(helper);
if (IS_ERR(info)) {
dev_err(drm->dev, "failed to allocate framebuffer info\n");
- drm_gem_object_put_unlocked(&bo->gem);
+ drm_gem_object_put(&bo->gem);
return PTR_ERR(info);
}
@@ -246,7 +244,7 @@
err = PTR_ERR(fbdev->fb);
dev_err(drm->dev, "failed to allocate DRM framebuffer: %d\n",
err);
- drm_gem_object_put_unlocked(&bo->gem);
+ drm_gem_object_put(&bo->gem);
return PTR_ERR(fbdev->fb);
}
@@ -254,12 +252,9 @@
helper->fb = fb;
helper->fbdev = info;
- info->par = helper;
- info->flags = FBINFO_FLAG_DEFAULT;
info->fbops = &tegra_fb_ops;
- drm_fb_helper_fill_fix(info, fb->pitches[0], fb->format->depth);
- drm_fb_helper_fill_var(info, helper, fb->width, fb->height);
+ drm_fb_helper_fill_info(info, helper, sizes);
offset = info->var.xoffset * bytes_per_pixel +
info->var.yoffset * fb->pitches[0];
@@ -274,10 +269,10 @@
}
}
- drm->mode_config.fb_base = (resource_size_t)bo->paddr;
+ drm->mode_config.fb_base = (resource_size_t)bo->iova;
info->screen_base = (void __iomem *)bo->vaddr + offset;
info->screen_size = size;
- info->fix.smem_start = (unsigned long)(bo->paddr + offset);
+ info->fix.smem_start = (unsigned long)(bo->iova + offset);
info->fix.smem_len = size;
return 0;
@@ -319,17 +314,11 @@
struct drm_device *drm = fbdev->base.dev;
int err;
- err = drm_fb_helper_init(drm, &fbdev->base, max_connectors);
+ err = drm_fb_helper_init(drm, &fbdev->base);
if (err < 0) {
dev_err(drm->dev, "failed to initialize DRM FB helper: %d\n",
err);
return err;
- }
-
- err = drm_fb_helper_single_add_all_connectors(&fbdev->base);
- if (err < 0) {
- dev_err(drm->dev, "failed to add connectors: %d\n", err);
- goto fini;
}
err = drm_fb_helper_initial_config(&fbdev->base, preferred_bpp);
@@ -356,7 +345,7 @@
/* Undo the special mapping we made in fbdev probe. */
if (bo && bo->pages) {
vunmap(bo->vaddr);
- bo->vaddr = 0;
+ bo->vaddr = NULL;
}
drm_framebuffer_remove(fbdev->fb);
@@ -410,27 +399,5 @@
struct tegra_drm *tegra = drm->dev_private;
tegra_fbdev_exit(tegra->fbdev);
-#endif
-}
-
-void tegra_drm_fb_suspend(struct drm_device *drm)
-{
-#ifdef CONFIG_DRM_FBDEV_EMULATION
- struct tegra_drm *tegra = drm->dev_private;
-
- console_lock();
- drm_fb_helper_set_suspend(&tegra->fbdev->base, 1);
- console_unlock();
-#endif
-}
-
-void tegra_drm_fb_resume(struct drm_device *drm)
-{
-#ifdef CONFIG_DRM_FBDEV_EMULATION
- struct tegra_drm *tegra = drm->dev_private;
-
- console_lock();
- drm_fb_helper_set_suspend(&tegra->fbdev->base, 0);
- console_unlock();
#endif
}
--
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