diff options
| author | Andres Rodriguez <andresx7@gmail.com> | 2017-05-24 17:00:10 -0400 |
|---|---|---|
| committer | Andres Rodriguez <andresx7@gmail.com> | 2017-06-21 20:47:10 -0400 |
| commit | 7f9fff8eb020a577771d3e3e0cbca6ee80053e95 (patch) | |
| tree | 29e6ba04843062dc38e6045a1449e558f6a23ac7 | |
| parent | 68e0b1810cad428584e5a390a7ea420ab2304c7d (diff) | |
drm/amdgpu: make amdgpu_to_sched_priority detect invalid parameters
Returning invalid priorities as _NORMAL is a backwards compatibility
quirk of amdgpu_ctx_ioctl(). Move this detail one layer up where it
belongs.
Signed-off-by: Andres Rodriguez <andresx7@gmail.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/scheduler/gpu_scheduler.h | 3 |
2 files changed, 7 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c index 9ec85d51a76c..fbf15ddc3181 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c @@ -232,7 +232,7 @@ static enum amd_sched_priority amdgpu_to_sched_priority(int amdgpu_priority) return AMD_SCHED_PRIORITY_LOW; default: WARN(1, "Invalid context priority %d\n", amdgpu_priority); - return AMD_SCHED_PRIORITY_NORMAL; + return AMD_SCHED_PRIORITY_INVALID; } } @@ -251,8 +251,10 @@ int amdgpu_ctx_ioctl(struct drm_device *dev, void *data, id = args->in.ctx_id; priority = amdgpu_to_sched_priority(args->in.priority); - if (priority >= AMD_SCHED_PRIORITY_MAX) - return -EINVAL; + /* For backwards compatibility reasons, we need to accept + * ioctls with garbage in the priority field */ + if (priority == AMD_SCHED_PRIORITY_INVALID) + priority = AMD_SCHED_PRIORITY_NORMAL; switch (args->in.op) { case AMDGPU_CTX_OP_ALLOC_CTX: diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h index dbcaa2e1c5c7..da040bc17e61 100644 --- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h +++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h @@ -120,7 +120,8 @@ enum amd_sched_priority { AMD_SCHED_PRIORITY_HIGH_SW, AMD_SCHED_PRIORITY_HIGH_HW, AMD_SCHED_PRIORITY_KERNEL, - AMD_SCHED_PRIORITY_MAX + AMD_SCHED_PRIORITY_MAX, + AMD_SCHED_PRIORITY_INVALID = -1 }; /** |