Adding upstream version 5.10.209.upstream/5.10.209

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 107 insertions, 0 deletions

diff --git a/drivers/gpu/drm/drm_legacy_misc.c b/drivers/gpu/drm/drm_legacy_misc.c
new file mode 100644
index 000000000..8f54e6a78
--- /dev/null
+++ b/drivers/gpu/drm/drm_legacy_misc.c
@@ -0,0 +1,107 @@
+/*
+ * \file drm_legacy_misc.c
+ * Misc legacy support functions.
+ *
+ * \author Rickard E. (Rik) Faith <faith@valinux.com>
+ * \author Gareth Hughes <gareth@valinux.com>
+ */
+
+/*
+ * Created: Tue Feb  2 08:37:54 1999 by faith@valinux.com
+ *
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <drm/drm_agpsupport.h>
+#include <drm/drm_device.h>
+#include <drm/drm_drv.h>
+#include <drm/drm_irq.h>
+#include <drm/drm_print.h>
+
+#include "drm_internal.h"
+#include "drm_legacy.h"
+
+void drm_legacy_init_members(struct drm_device *dev)
+{
+	INIT_LIST_HEAD(&dev->ctxlist);
+	INIT_LIST_HEAD(&dev->vmalist);
+	INIT_LIST_HEAD(&dev->maplist);
+	spin_lock_init(&dev->buf_lock);
+	mutex_init(&dev->ctxlist_mutex);
+}
+
+void drm_legacy_destroy_members(struct drm_device *dev)
+{
+	mutex_destroy(&dev->ctxlist_mutex);
+}
+
+int drm_legacy_setup(struct drm_device * dev)
+{
+	int ret;
+
+	if (dev->driver->firstopen &&
+	    drm_core_check_feature(dev, DRIVER_LEGACY)) {
+		ret = dev->driver->firstopen(dev);
+		if (ret != 0)
+			return ret;
+	}
+
+	ret = drm_legacy_dma_setup(dev);
+	if (ret < 0)
+		return ret;
+
+
+	DRM_DEBUG("\n");
+	return 0;
+}
+
+void drm_legacy_dev_reinit(struct drm_device *dev)
+{
+	if (dev->irq_enabled)
+		drm_irq_uninstall(dev);
+
+	mutex_lock(&dev->struct_mutex);
+
+	drm_legacy_agp_clear(dev);
+
+	drm_legacy_sg_cleanup(dev);
+	drm_legacy_vma_flush(dev);
+	drm_legacy_dma_takedown(dev);
+
+	mutex_unlock(&dev->struct_mutex);
+
+	dev->sigdata.lock = NULL;
+
+	dev->context_flag = 0;
+	dev->last_context = 0;
+	dev->if_version = 0;
+
+	DRM_DEBUG("lastclose completed\n");
+}
+
+void drm_master_legacy_init(struct drm_master *master)
+{
+	spin_lock_init(&master->lock.spinlock);
+	init_waitqueue_head(&master->lock.lock_queue);
+}