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drm/amdgpu: fix preamble handling 

At this point the command submission can still be interrupted.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
hifive-unleashed-5.1
Christian König 2018-08-21 15:09:39 +02:00 committed by Alex Deucher
parent 8604ffcbf0
commit d98ff24e8e
1 changed files with 9 additions and 7 deletions
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16
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
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@ -1012,13 +1012,9 @@ static int amdgpu_cs_ib_fill(struct amdgpu_device *adev,
if (r)
return r;
if (chunk_ib->flags & AMDGPU_IB_FLAG_PREAMBLE) {
parser->job->preamble_status |= AMDGPU_PREAMBLE_IB_PRESENT;
if (!parser->ctx->preamble_presented) {
parser->job->preamble_status |= AMDGPU_PREAMBLE_IB_PRESENT_FIRST;
parser->ctx->preamble_presented = true;
}
}
if (chunk_ib->flags & AMDGPU_IB_FLAG_PREAMBLE)
parser->job->preamble_status |=
AMDGPU_PREAMBLE_IB_PRESENT;
if (parser->ring && parser->ring != ring)
return -EINVAL;
@ -1241,6 +1237,12 @@ static int amdgpu_cs_submit(struct amdgpu_cs_parser *p,
amdgpu_cs_post_dependencies(p);
if ((job->preamble_status & AMDGPU_PREAMBLE_IB_PRESENT) &&
!p->ctx->preamble_presented) {
job->preamble_status |= AMDGPU_PREAMBLE_IB_PRESENT_FIRST;
p->ctx->preamble_presented = true;
}
cs->out.handle = seq;
job->uf_sequence = seq;