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drm/amdgpu: print more accurate error messages on IB submission failure

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It's useful for debugging.

Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Marek Olšák 2016-07-30 00:48:39 +02:00 committed by Alex Deucher
parent a693e050ed
commit f10379503e
1 changed files with 13 additions and 4 deletions
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17
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
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@ -386,8 +386,10 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
r = ttm_eu_reserve_buffers(&p->ticket, &p->validated, true,
&duplicates);
if (unlikely(r != 0))
if (unlikely(r != 0)) {
DRM_ERROR("ttm_eu_reserve_buffers failed.\n");
goto error_free_pages;
}
/* Without a BO list we don't have userptr BOs */
if (!p->bo_list)
@ -427,9 +429,10 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
/* Unreserve everything again. */
ttm_eu_backoff_reservation(&p->ticket, &p->validated);
/* We tried to often, just abort */
/* We tried too many times, just abort */
if (!--tries) {
r = -EDEADLK;
DRM_ERROR("deadlock in %s\n", __func__);
goto error_free_pages;
}
@ -441,11 +444,13 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
sizeof(struct page*));
if (!e->user_pages) {
r = -ENOMEM;
DRM_ERROR("calloc failure in %s\n", __func__);
goto error_free_pages;
}
r = amdgpu_ttm_tt_get_user_pages(ttm, e->user_pages);
if (r) {
DRM_ERROR("amdgpu_ttm_tt_get_user_pages failed.\n");
drm_free_large(e->user_pages);
e->user_pages = NULL;
goto error_free_pages;
@ -462,12 +467,16 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
p->bytes_moved = 0;
r = amdgpu_cs_list_validate(p, &duplicates);
if (r)
if (r) {
DRM_ERROR("amdgpu_cs_list_validate(duplicates) failed.\n");
goto error_validate;
}
r = amdgpu_cs_list_validate(p, &p->validated);
if (r)
if (r) {
DRM_ERROR("amdgpu_cs_list_validate(validated) failed.\n");
goto error_validate;
}
fpriv->vm.last_eviction_counter =
atomic64_read(&p->adev->num_evictions);