Adding upstream version 6.6.15.upstream/6.6.15

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

1 files changed, 96 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_module.c b/drivers/gpu/drm/amd/amdkfd/kfd_module.c
new file mode 100644
index 000000000..aee2212e5
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_module.c
@@ -0,0 +1,96 @@
+// SPDX-License-Identifier: GPL-2.0 OR MIT
+/*
+ * Copyright 2014-2022 Advanced Micro Devices, Inc.
+ *
+ * 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 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
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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 <linux/sched.h>
+#include <linux/device.h>
+#include "kfd_priv.h"
+#include "amdgpu_amdkfd.h"
+
+static int kfd_init(void)
+{
+	int err;
+
+	/* Verify module parameters */
+	if ((sched_policy < KFD_SCHED_POLICY_HWS) ||
+		(sched_policy > KFD_SCHED_POLICY_NO_HWS)) {
+		pr_err("sched_policy has invalid value\n");
+		return -EINVAL;
+	}
+
+	/* Verify module parameters */
+	if ((max_num_of_queues_per_device < 1) ||
+		(max_num_of_queues_per_device >
+			KFD_MAX_NUM_OF_QUEUES_PER_DEVICE)) {
+		pr_err("max_num_of_queues_per_device must be between 1 to KFD_MAX_NUM_OF_QUEUES_PER_DEVICE\n");
+		return -EINVAL;
+	}
+
+	err = kfd_chardev_init();
+	if (err < 0)
+		goto err_ioctl;
+
+	err = kfd_topology_init();
+	if (err < 0)
+		goto err_topology;
+
+	err = kfd_process_create_wq();
+	if (err < 0)
+		goto err_create_wq;
+
+	/* Ignore the return value, so that we can continue
+	 * to init the KFD, even if procfs isn't craated
+	 */
+	kfd_procfs_init();
+
+	kfd_debugfs_init();
+
+	return 0;
+
+err_create_wq:
+	kfd_topology_shutdown();
+err_topology:
+	kfd_chardev_exit();
+err_ioctl:
+	pr_err("KFD is disabled due to module initialization failure\n");
+	return err;
+}
+
+static void kfd_exit(void)
+{
+	kfd_cleanup_processes();
+	kfd_debugfs_fini();
+	kfd_process_destroy_wq();
+	kfd_procfs_shutdown();
+	kfd_topology_shutdown();
+	kfd_chardev_exit();
+}
+
+int kgd2kfd_init(void)
+{
+	return kfd_init();
+}
+
+void kgd2kfd_exit(void)
+{
+	kfd_exit();
+}