On Thu, 5 Oct 2017 13:29:17 +0200 Boris Brezillon boris.brezillon@free-electrons.com wrote:

drm_gem_cma_create() prints an error message when dma_alloc_wc() fails to allocate the amount of memory we requested. This can lead to annoying error messages when CMA is only one possible source of memory for the BO allocation. Turn this error message into a debug one.

Applied to drm-misc-next.

Signed-off-by: Boris Brezillon boris.brezillon@free-electrons.com Reviewed-by: Daniel Vetter daniel.vetter@ffwll.ch Reviewed-by: Eric Engestrom eric.engestrom@imgtec.com

---

Changes in v2:

• Remove __must_check attribute

---

drivers/gpu/drm/drm_gem_cma_helper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_gem_cma_helper.c b/drivers/gpu/drm/drm_gem_cma_helper.c index 373e33f22be4..020e7668dfab 100644 --- a/drivers/gpu/drm/drm_gem_cma_helper.c +++ b/drivers/gpu/drm/drm_gem_cma_helper.c @@ -112,7 +112,7 @@ struct drm_gem_cma_object *drm_gem_cma_create(struct drm_device *drm, cma_obj->vaddr = dma_alloc_wc(drm->dev, size, &cma_obj->paddr, GFP_KERNEL | __GFP_NOWARN); if (!cma_obj->vaddr) {

• dev_err(drm->dev, "failed to allocate buffer with size %zu\n",
  

• dev_dbg(drm->dev, "failed to allocate buffer with size %zu\n",
  size);
  

  ret = -ENOMEM; goto error;