gpu/drm: Eliminate DRM_SCHED_PRIORITY_UNSET

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

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
index 092962b..aac52d9 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
@@ -64,7 +64,8 @@ amdgpu_ctx_to_drm_sched_prio(int32_t ctx_prio)
 {
        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;

diff --git a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h
index f9544d9..ac65f06 100644 (file)
--- a/include/drm/gpu_scheduler.h
+++ b/include/drm/gpu_scheduler.h
@@ -68,8 +68,7 @@ enum drm_sched_priority {
        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 */