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/udl/udl_main.c | 39 +++++++++++++++------------------------
1 files changed, 15 insertions(+), 24 deletions(-)
diff --git a/kernel/drivers/gpu/drm/udl/udl_main.c b/kernel/drivers/gpu/drm/udl/udl_main.c
index 8d22b6c..5f1d389 100644
--- a/kernel/drivers/gpu/drm/udl/udl_main.c
+++ b/kernel/drivers/gpu/drm/udl/udl_main.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2012 Red Hat
*
@@ -5,13 +6,12 @@
* 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 <drm/drmP.h>
-#include <drm/drm_crtc_helper.h>
+
+#include <drm/drm.h>
+#include <drm/drm_print.h>
+#include <drm/drm_probe_helper.h>
+
#include "udl_drv.h"
/* -BULK_SIZE as per usb-skeleton. Can we get full page and avoid overhead? */
@@ -140,7 +140,6 @@
urb->status == -ESHUTDOWN)) {
DRM_ERROR("%s - nonzero write bulk status received: %d\n",
__func__, urb->status);
- atomic_set(&udl->lost_pixels, 1);
}
}
@@ -271,7 +270,6 @@
/* Wait for an in-flight buffer to complete and get re-queued */
ret = down_timeout(&udl->urbs.limit_sem, GET_URB_TIMEOUT);
if (ret) {
- atomic_set(&udl->lost_pixels, 1);
DRM_INFO("wait for urb interrupted: %x available: %d\n",
ret, udl->urbs.available);
goto error;
@@ -304,7 +302,6 @@
ret = usb_submit_urb(urb, GFP_ATOMIC);
if (ret) {
udl_urb_completion(urb); /* because no one else will */
- atomic_set(&udl->lost_pixels, 1);
DRM_ERROR("usb_submit_urb error %x\n", ret);
}
return ret;
@@ -316,6 +313,10 @@
int ret = -ENOMEM;
DRM_DEBUG("\n");
+
+ udl->dmadev = usb_intf_get_dma_device(to_usb_interface(dev->dev));
+ if (!udl->dmadev)
+ drm_warn(dev, "buffer sharing not supported"); /* not an error */
mutex_init(&udl->gem_lock);
@@ -338,10 +339,6 @@
if (ret)
goto err;
- ret = udl_fbdev_init(dev);
- if (ret)
- goto err;
-
drm_kms_helper_poll_init(dev);
return 0;
@@ -349,24 +346,18 @@
err:
if (udl->urbs.count)
udl_free_urb_list(dev);
+ put_device(udl->dmadev);
DRM_ERROR("%d\n", ret);
return ret;
}
int udl_drop_usb(struct drm_device *dev)
{
- udl_free_urb_list(dev);
- return 0;
-}
-
-void udl_fini(struct drm_device *dev)
-{
struct udl_device *udl = to_udl(dev);
- drm_kms_helper_poll_fini(dev);
+ udl_free_urb_list(dev);
+ put_device(udl->dmadev);
+ udl->dmadev = NULL;
- if (udl->urbs.count)
- udl_free_urb_list(dev);
-
- udl_fbdev_cleanup(dev);
+ return 0;
}
--
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