mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-25 04:20:53 +07:00
c4aed87630
That's the PID of the creator of the file (usually the X server) and not the end user of the file. Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> CC: stable@vger.kernel.org
101 lines
3.0 KiB
C
101 lines
3.0 KiB
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;
|
|
}
|
|
}
|
|
|
|
static int amdgpu_sched_process_priority_override(struct amdgpu_device *adev,
|
|
int fd,
|
|
enum drm_sched_priority priority)
|
|
{
|
|
struct file *filp = fget(fd);
|
|
struct drm_file *file;
|
|
struct amdgpu_fpriv *fpriv;
|
|
struct amdgpu_ctx *ctx;
|
|
uint32_t id;
|
|
|
|
if (!filp)
|
|
return -EINVAL;
|
|
|
|
file = filp->private_data;
|
|
fpriv = file->driver_priv;
|
|
idr_for_each_entry(&fpriv->ctx_mgr.ctx_handles, ctx, id)
|
|
amdgpu_ctx_priority_override(ctx, priority);
|
|
|
|
fput(filp);
|
|
|
|
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 = 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;
|
|
}
|