Adding upstream version 6.1.76.upstream/6.1.76

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

1 files changed, 141 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
new file mode 100644
index 000000000..863b2a34b
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
@@ -0,0 +1,141 @@
+/*
+ * Copyright 2017 Valve Corporation
+ *
+ * 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.
+ *
+ * Authors: Andres Rodriguez <andresx7@gmail.com>
+ */
+
+#include <linux/fdtable.h>
+#include <linux/file.h>
+#include <linux/pid.h>
+
+#include <drm/amdgpu_drm.h>
+
+#include "amdgpu.h"
+#include "amdgpu_sched.h"
+#include "amdgpu_vm.h"
+
+static int amdgpu_sched_process_priority_override(struct amdgpu_device *adev,
+						  int fd,
+						  int32_t priority)
+{
+	struct fd f = fdget(fd);
+	struct amdgpu_fpriv *fpriv;
+	struct amdgpu_ctx_mgr *mgr;
+	struct amdgpu_ctx *ctx;
+	uint32_t id;
+	int r;
+
+	if (!f.file)
+		return -EINVAL;
+
+	r = amdgpu_file_to_fpriv(f.file, &fpriv);
+	if (r) {
+		fdput(f);
+		return r;
+	}
+
+	mgr = &fpriv->ctx_mgr;
+	mutex_lock(&mgr->lock);
+	idr_for_each_entry(&mgr->ctx_handles, ctx, id)
+		amdgpu_ctx_priority_override(ctx, priority);
+	mutex_unlock(&mgr->lock);
+
+	fdput(f);
+	return 0;
+}
+
+static int amdgpu_sched_context_priority_override(struct amdgpu_device *adev,
+						  int fd,
+						  unsigned ctx_id,
+						  int32_t priority)
+{
+	struct fd f = fdget(fd);
+	struct amdgpu_fpriv *fpriv;
+	struct amdgpu_ctx *ctx;
+	int r;
+
+	if (!f.file)
+		return -EINVAL;
+
+	r = amdgpu_file_to_fpriv(f.file, &fpriv);
+	if (r) {
+		fdput(f);
+		return r;
+	}
+
+	ctx = amdgpu_ctx_get(fpriv, ctx_id);
+
+	if (!ctx) {
+		fdput(f);
+		return -EINVAL;
+	}
+
+	amdgpu_ctx_priority_override(ctx, priority);
+	amdgpu_ctx_put(ctx);
+	fdput(f);
+
+	return 0;
+}
+
+int amdgpu_sched_ioctl(struct drm_device *dev, void *data,
+		       struct drm_file *filp)
+{
+	union drm_amdgpu_sched *args = data;
+	struct amdgpu_device *adev = drm_to_adev(dev);
+	int r;
+
+	/* First check the op, then the op's argument.
+	 */
+	switch (args->in.op) {
+	case AMDGPU_SCHED_OP_PROCESS_PRIORITY_OVERRIDE:
+	case AMDGPU_SCHED_OP_CONTEXT_PRIORITY_OVERRIDE:
+		break;
+	default:
+		DRM_ERROR("Invalid sched op specified: %d\n", args->in.op);
+		return -EINVAL;
+	}
+
+	if (!amdgpu_ctx_priority_is_valid(args->in.priority)) {
+		WARN(1, "Invalid context priority %d\n", args->in.priority);
+		return -EINVAL;
+	}
+
+	switch (args->in.op) {
+	case AMDGPU_SCHED_OP_PROCESS_PRIORITY_OVERRIDE:
+		r = amdgpu_sched_process_priority_override(adev,
+							   args->in.fd,
+							   args->in.priority);
+		break;
+	case AMDGPU_SCHED_OP_CONTEXT_PRIORITY_OVERRIDE:
+		r = amdgpu_sched_context_priority_override(adev,
+							   args->in.fd,
+							   args->in.ctx_id,
+							   args->in.priority);
+		break;
+	default:
+		/* Impossible.
+		 */
+		r = -EINVAL;
+		break;
+	}
+
+	return r;
+}