[PATCH 5.18 204/339] drm/amdgpu: fix limiting AV1 to the first instance on VCN3

From: Greg Kroah-Hartman
Date: Mon Jun 13 2022 - 09:57:53 EST


From: Christian König <christian.koenig@xxxxxxx>

[ Upstream commit 1d2afeb7983081ecf656c2338c7db6fd405c653c ]

The job is not yet initialized here.

Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/2037
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
Tested-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@xxxxxxx>
Signed-off-by: Christian König <christian.koenig@xxxxxxx>
Fixes: cdc7893fc93f ("drm/amdgpu: use job and ib structures directly in CS parsers")
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c | 17 +++++++----------
1 file changed, 7 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
index cb5f0a12333f..57a34e775da3 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
@@ -1821,23 +1821,21 @@ static const struct amdgpu_ring_funcs vcn_v3_0_dec_sw_ring_vm_funcs = {
.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
};

-static int vcn_v3_0_limit_sched(struct amdgpu_cs_parser *p,
- struct amdgpu_job *job)
+static int vcn_v3_0_limit_sched(struct amdgpu_cs_parser *p)
{
struct drm_gpu_scheduler **scheds;

/* The create msg must be in the first IB submitted */
- if (atomic_read(&job->base.entity->fence_seq))
+ if (atomic_read(&p->entity->fence_seq))
return -EINVAL;

scheds = p->adev->gpu_sched[AMDGPU_HW_IP_VCN_DEC]
[AMDGPU_RING_PRIO_DEFAULT].sched;
- drm_sched_entity_modify_sched(job->base.entity, scheds, 1);
+ drm_sched_entity_modify_sched(p->entity, scheds, 1);
return 0;
}

-static int vcn_v3_0_dec_msg(struct amdgpu_cs_parser *p, struct amdgpu_job *job,
- uint64_t addr)
+static int vcn_v3_0_dec_msg(struct amdgpu_cs_parser *p, uint64_t addr)
{
struct ttm_operation_ctx ctx = { false, false };
struct amdgpu_bo_va_mapping *map;
@@ -1908,7 +1906,7 @@ static int vcn_v3_0_dec_msg(struct amdgpu_cs_parser *p, struct amdgpu_job *job,
if (create[0] == 0x7 || create[0] == 0x10 || create[0] == 0x11)
continue;

- r = vcn_v3_0_limit_sched(p, job);
+ r = vcn_v3_0_limit_sched(p);
if (r)
goto out;
}
@@ -1922,7 +1920,7 @@ static int vcn_v3_0_ring_patch_cs_in_place(struct amdgpu_cs_parser *p,
struct amdgpu_job *job,
struct amdgpu_ib *ib)
{
- struct amdgpu_ring *ring = to_amdgpu_ring(job->base.sched);
+ struct amdgpu_ring *ring = to_amdgpu_ring(p->entity->rq->sched);
uint32_t msg_lo = 0, msg_hi = 0;
unsigned i;
int r;
@@ -1941,8 +1939,7 @@ static int vcn_v3_0_ring_patch_cs_in_place(struct amdgpu_cs_parser *p,
msg_hi = val;
} else if (reg == PACKET0(p->adev->vcn.internal.cmd, 0) &&
val == 0) {
- r = vcn_v3_0_dec_msg(p, job,
- ((u64)msg_hi) << 32 | msg_lo);
+ r = vcn_v3_0_dec_msg(p, ((u64)msg_hi) << 32 | msg_lo);
if (r)
return r;
}
--
2.35.1