drm/amdgpu: introduce AMDGPU_CTX_PRIORITY_UNSET

Use _INVALID to identify bad parameters and _UNSET to represent the
lack of interest in a specific value.

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>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
index d3d63f7..29eebdc 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
@@ -230,6 +230,8 @@ static enum amd_sched_priority amdgpu_to_sched_priority(int amdgpu_priority)
        case AMDGPU_CTX_PRIORITY_LOW_SW:
        case AMDGPU_CTX_PRIORITY_LOW_HW:
                return AMD_SCHED_PRIORITY_LOW;
+       case AMDGPU_CTX_PRIORITY_UNSET:
+               return AMD_SCHED_PRIORITY_UNSET;
        default:
                WARN(1, "Invalid context priority %d\n", amdgpu_priority);
                return AMD_SCHED_PRIORITY_INVALID;

diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
index 4b528f7..52c8e54 100644 (file)
--- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
+++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
@@ -122,7 +122,8 @@ enum amd_sched_priority {
        AMD_SCHED_PRIORITY_HIGH_HW,
        AMD_SCHED_PRIORITY_KERNEL,
        AMD_SCHED_PRIORITY_MAX,
-       AMD_SCHED_PRIORITY_INVALID = -1
+       AMD_SCHED_PRIORITY_INVALID = -1,
+       AMD_SCHED_PRIORITY_UNSET = -2
 };
 
 /**

diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
index 94ef0af..7ea33b5 100644 (file)
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -169,6 +169,7 @@ union drm_amdgpu_bo_list {
 #define AMDGPU_CTX_UNKNOWN_RESET       3
 
 /* Context priority level */
+#define AMDGPU_CTX_PRIORITY_UNSET       -2048
 #define AMDGPU_CTX_PRIORITY_LOW_HW      -1023
 #define AMDGPU_CTX_PRIORITY_LOW_SW      -512
 #define AMDGPU_CTX_PRIORITY_NORMAL      0