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| author | Andres Rodriguez <andresx7@gmail.com> | 2017-05-24 17:00:10 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-10-09 16:30:22 -0400 |
| commit | b6d8a439345e71e9b1939c4d6997e09b5be9b5e1 (patch) | |
| tree | 97ca5ac8f5675a586e690687129f525687081be3 | |
| parent | b8866c26ec072f1924f5cf601ebea33ca9823326 (diff) | |
| download | linux-b6d8a439345e71e9b1939c4d6997e09b5be9b5e1.tar.gz | |
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> Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.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 52388b1b52c2..d3d63f78bec9 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 }; /** |