From: Marek Olšák <[email protected]> It's useful for debugging.
Signed-off-by: Marek Olšák <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 17 +++++++++++++---- 1 file 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 45d5227..e4617c4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -387,8 +387,10 @@ 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) @@ -428,9 +430,10 @@ 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; } @@ -442,11 +445,13 @@ 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; @@ -463,12 +468,16 @@ 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); -- 2.7.4 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
