drm/amdgpu: fix preamble handling
authorChristian König <christian.koenig@amd.com>
Tue, 21 Aug 2018 13:09:39 +0000 (15:09 +0200)
committerAlex Deucher <alexander.deucher@amd.com>
Mon, 27 Aug 2018 16:09:39 +0000 (11:09 -0500)
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>
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c

index 502b94f..09703c8 100644 (file)
@@ -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;