drm/amdgpu: rename context priority levels

Don't leak implementation details about how each priority behaves to
usermode. This allows greater flexibility in the future.

Squash into c2636dc53abd8269a0930bccd564f2f195dba729

Signed-off-by: Andres Rodriguez <andresx7@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -32,14 +32,14 @@
 enum amd_sched_priority amdgpu_to_sched_priority(int amdgpu_priority)
 {
 	switch (amdgpu_priority) {
-	case AMDGPU_CTX_PRIORITY_HIGH_HW:
+	case AMDGPU_CTX_PRIORITY_VERY_HIGH:
 		return AMD_SCHED_PRIORITY_HIGH_HW;
-	case AMDGPU_CTX_PRIORITY_HIGH_SW:
+	case AMDGPU_CTX_PRIORITY_HIGH:
 		return AMD_SCHED_PRIORITY_HIGH_SW;
 	case AMDGPU_CTX_PRIORITY_NORMAL:
 		return AMD_SCHED_PRIORITY_NORMAL;
-	case AMDGPU_CTX_PRIORITY_LOW_SW:
-	case AMDGPU_CTX_PRIORITY_LOW_HW:
+	case AMDGPU_CTX_PRIORITY_LOW:
+	case AMDGPU_CTX_PRIORITY_VERY_LOW:
 		return AMD_SCHED_PRIORITY_LOW;
 	case AMDGPU_CTX_PRIORITY_UNSET:
 		return AMD_SCHED_PRIORITY_UNSET;

include/uapi/drm/amdgpu_drm.h

@@ -172,12 +172,12 @@ union drm_amdgpu_bo_list {
 
 /* 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_VERY_LOW    -1023
+#define AMDGPU_CTX_PRIORITY_LOW         -512
 #define AMDGPU_CTX_PRIORITY_NORMAL      0
 /* Selecting a priority above NORMAL requires CAP_SYS_NICE or DRM_MASTER */
-#define AMDGPU_CTX_PRIORITY_HIGH_SW     512
-#define AMDGPU_CTX_PRIORITY_HIGH_HW     1023
+#define AMDGPU_CTX_PRIORITY_HIGH        512
+#define AMDGPU_CTX_PRIORITY_VERY_HIGH   1023
 
 struct drm_amdgpu_ctx_in {
 	/** AMDGPU_CTX_OP_* */