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drm/amdgpu: keeping waiting userq fence infinitely

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Keeping waiting the userq fence infinitely until
hang detection, and then suspend the hang queue and
set the fence error.

Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Prike Liang 2025-07-22 13:43:51 +08:00 committed by Alex Deucher
parent 2a28f9665d
commit 873f44c327
1 changed files with 9 additions and 4 deletions
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13
drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c
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@ -213,19 +213,24 @@ amdgpu_userq_map_helper(struct amdgpu_userq_mgr *uq_mgr,
return r;
}
static void
static int
amdgpu_userq_wait_for_last_fence(struct amdgpu_userq_mgr *uq_mgr,
struct amdgpu_usermode_queue *queue)
{
struct dma_fence *f = queue->last_fence;
int ret;
int ret = 0;
if (f && !dma_fence_is_signaled(f)) {
ret = dma_fence_wait_timeout(f, true, msecs_to_jiffies(100));
if (ret <= 0)
ret = dma_fence_wait_timeout(f, true, MAX_SCHEDULE_TIMEOUT);
if (ret <= 0) {
drm_file_err(uq_mgr->file, "Timed out waiting for fence=%llu:%llu\n",
f->context, f->seqno);
queue->state = AMDGPU_USERQ_STATE_HUNG;
return -ETIME;
}
}
return ret;
}
static void