Eliminate DRM_SCHED_PRIORITY_UNSET, value of -2, whose only user was
amdgpu. Furthermore, eliminate an index bug, in that when amdgpu boots, it
calls drm_sched_entity_init() with DRM_SCHED_PRIORITY_UNSET, which uses it to
index sched->sched_rq[].
Cc: Alex Deucher <Alexander.Deucher@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Signed-off-by: Luben Tuikov <luben.tuikov@amd.com>
Acked-by: Alex Deucher <Alexander.Deucher@amd.com>
Link: https://lore.kernel.org/r/20231017035656.8211-2-luben.tuikov@amd.com
 {
        switch (ctx_prio) {
        case AMDGPU_CTX_PRIORITY_UNSET:
-               return DRM_SCHED_PRIORITY_UNSET;
+               pr_warn_once("AMD-->DRM context priority value UNSET-->NORMAL");
+               return DRM_SCHED_PRIORITY_NORMAL;
 
        case AMDGPU_CTX_PRIORITY_VERY_LOW:
                return DRM_SCHED_PRIORITY_MIN;
 
        DRM_SCHED_PRIORITY_HIGH,
        DRM_SCHED_PRIORITY_KERNEL,
 
-       DRM_SCHED_PRIORITY_COUNT,
-       DRM_SCHED_PRIORITY_UNSET = -2
+       DRM_SCHED_PRIORITY_COUNT
 };
 
 /* Used to chose between FIFO and RR jobs scheduling */