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authorMarek Olšák2016-07-30 00:48:39 +0200
committerAlex Deucher2016-08-08 17:33:11 +0200
commitf10379503e2b1814e27957899bcdfd0132a1915e (patch)
tree5d3c38efc7aa8e0e20dec8d97e0833546ad24a7b /drivers/gpu
parentdrm/amdgpu: use the kernel zone memory size as the max remote memory in amdgpu (diff)
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drm/amdgpu: print more accurate error messages on IB submission failure
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>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 0307ff5887c5..8eb93dff69d6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -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);