From 08f87f769b595151be1afeff53e144f543faa614 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 06 Dec 2023 09:51:13 +0000
Subject: [PATCH] add dts config
---
kernel/drivers/gpu/drm/udl/udl_transfer.c | 21 ++++++---------------
1 files changed, 6 insertions(+), 15 deletions(-)
diff --git a/kernel/drivers/gpu/drm/udl/udl_transfer.c b/kernel/drivers/gpu/drm/udl/udl_transfer.c
index ce87661..9719276 100644
--- a/kernel/drivers/gpu/drm/udl/udl_transfer.c
+++ b/kernel/drivers/gpu/drm/udl/udl_transfer.c
@@ -1,21 +1,14 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2012 Red Hat
* based in parts on udlfb.c:
* Copyright (C) 2009 Roberto De Ioris <roberto@unbit.it>
* Copyright (C) 2009 Jaya Kumar <jayakumar.lkml@gmail.com>
* Copyright (C) 2009 Bernie Thompson <bernie@plugable.com>
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License v2. See the file COPYING in the main directory of this archive for
- * more details.
*/
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/fb.h>
#include <asm/unaligned.h>
-#include <drm/drmP.h>
#include "udl_drv.h"
#define MAX_CMD_PIXELS 255
@@ -219,8 +212,7 @@
int udl_render_hline(struct drm_device *dev, int log_bpp, struct urb **urb_ptr,
const char *front, char **urb_buf_ptr,
u32 byte_offset, u32 device_byte_offset,
- u32 byte_width,
- int *ident_ptr, int *sent_ptr)
+ u32 byte_width)
{
const u8 *line_start, *line_end, *next_pixel;
u32 base16 = 0 + (device_byte_offset >> log_bpp) * 2;
@@ -242,12 +234,12 @@
if (cmd >= cmd_end) {
int len = cmd - (u8 *) urb->transfer_buffer;
- if (udl_submit_urb(dev, urb, len))
- return 1; /* lost pixels is set */
- *sent_ptr += len;
+ int ret = udl_submit_urb(dev, urb, len);
+ if (ret)
+ return ret;
urb = udl_get_urb(dev);
if (!urb)
- return 1; /* lost_pixels is set */
+ return -EAGAIN;
*urb_ptr = urb;
cmd = urb->transfer_buffer;
cmd_end = &cmd[urb->transfer_buffer_length];
@@ -258,4 +250,3 @@
return 0;
}
-
--
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