4.18-stable review patch. If anyone has any objections, please let me know.
------------------
From: Christian König <christian.koe...@amd.com>
[ Upstream commit d98ff24e8e9be3329eea7c84d5e244d0c1cd0ab3 ]
At this point the command submission can still be interrupted.
Signed-off-by: Christian König <christian.koe...@amd.com>
Acked-by: Alex Deucher <alexander.deuc...@amd.com>
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
Signed-off-by: Sasha Levin <alexander.le...@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 16 +++++++++-------
1 file changed, 9 insertions(+), 7 deletions(-)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -975,13 +975,9 @@ static int amdgpu_cs_ib_fill(struct amdg
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->job->ring && parser->job->ring != ring)
return -EINVAL;
@@ -1206,6 +1202,12 @@ static int amdgpu_cs_submit(struct amdgp
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;
