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Subject[PATCH AUTOSEL 6.5 39/52] gpu/drm: Eliminate DRM_SCHED_PRIORITY_UNSET
Date
From: Luben Tuikov <luben.tuikov@amd.com>

[ Upstream commit fa8391ad68c16716e2c06ada397e99ceed2fb647 ]

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
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c | 3 ++-
include/drm/gpu_scheduler.h | 3 +--
2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
index 092962b93064f..aac52d9754e6d 100644
--- 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 f9544d9b670d3..ac65f0626cfc9 100644
--- 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 */
--
2.42.0
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