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Release 4.17 drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c

/*
 * 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/pid.h>
#include <drm/amdgpu_drm.h>
#include "amdgpu.h"

#include "amdgpu_vm.h"


enum drm_sched_priority amdgpu_to_sched_priority(int amdgpu_priority) { switch (amdgpu_priority) { case AMDGPU_CTX_PRIORITY_VERY_HIGH: return DRM_SCHED_PRIORITY_HIGH_HW; case AMDGPU_CTX_PRIORITY_HIGH: return DRM_SCHED_PRIORITY_HIGH_SW; case AMDGPU_CTX_PRIORITY_NORMAL: return DRM_SCHED_PRIORITY_NORMAL; case AMDGPU_CTX_PRIORITY_LOW: case AMDGPU_CTX_PRIORITY_VERY_LOW: return DRM_SCHED_PRIORITY_LOW; case AMDGPU_CTX_PRIORITY_UNSET: return DRM_SCHED_PRIORITY_UNSET; default: WARN(1, "Invalid context priority %d\n", amdgpu_priority); return DRM_SCHED_PRIORITY_INVALID; } }

Contributors

PersonTokensPropCommitsCommitProp
Andres Rodriguez5488.52%266.67%
Lucas Stach711.48%133.33%
Total61100.00%3100.00%


static int amdgpu_sched_process_priority_override(struct amdgpu_device *adev, int fd, enum drm_sched_priority priority) { struct file *filp = fcheck(fd); struct drm_file *file; struct pid *pid; struct amdgpu_fpriv *fpriv; struct amdgpu_ctx *ctx; uint32_t id; if (!filp) return -EINVAL; pid = get_pid(((struct drm_file *)filp->private_data)->pid); mutex_lock(&adev->ddev->filelist_mutex); list_for_each_entry(file, &adev->ddev->filelist, lhead) { if (file->pid != pid) continue; fpriv = file->driver_priv; idr_for_each_entry(&fpriv->ctx_mgr.ctx_handles, ctx, id) amdgpu_ctx_priority_override(ctx, priority); } mutex_unlock(&adev->ddev->filelist_mutex); put_pid(pid); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Andres Rodriguez14599.32%150.00%
Lucas Stach10.68%150.00%
Total146100.00%2100.00%


int amdgpu_sched_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) { union drm_amdgpu_sched *args = data; struct amdgpu_device *adev = dev->dev_private; enum drm_sched_priority priority; int r; priority = amdgpu_to_sched_priority(args->in.priority); if (args->in.flags || priority == DRM_SCHED_PRIORITY_INVALID) return -EINVAL; switch (args->in.op) { case AMDGPU_SCHED_OP_PROCESS_PRIORITY_OVERRIDE: r = amdgpu_sched_process_priority_override(adev, args->in.fd, priority); break; default: DRM_ERROR("Invalid sched op specified: %d\n", args->in.op); r = -EINVAL; break; } return r; }

Contributors

PersonTokensPropCommitsCommitProp
Andres Rodriguez11798.32%150.00%
Lucas Stach21.68%150.00%
Total119100.00%2100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Andres Rodriguez33297.08%266.67%
Lucas Stach102.92%133.33%
Total342100.00%3100.00%
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