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media: atomisp: add debug for hmm alloc

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The hmm code is still complex and has bugs. Add a debug print
when memory gets allocated, in order to help identifying what's
happening out there.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Mauro Carvalho Chehab 2020-05-26 14:35:16 +02:00
parent 14a638ab96
commit 03884c9356
1 changed files with 5 additions and 1 deletions
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6
drivers/staging/media/atomisp/pci/hmm/hmm.c
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@ -253,7 +253,7 @@ ia_css_ptr hmm_alloc(size_t bytes, enum hmm_bo_type type,
goto alloc_page_err; goto alloc_page_err;
} }
/* Combind the virtual address and pages togather */ /* Combine the virtual address and pages together */
ret = hmm_bo_bind(bo); ret = hmm_bo_bind(bo);
if (ret) { if (ret) {
dev_err(atomisp_dev, "hmm_bo_bind failed.\n"); dev_err(atomisp_dev, "hmm_bo_bind failed.\n");
@ -265,6 +265,10 @@ ia_css_ptr hmm_alloc(size_t bytes, enum hmm_bo_type type,
if (attrs & ATOMISP_MAP_FLAG_CLEARED) if (attrs & ATOMISP_MAP_FLAG_CLEARED)
hmm_set(bo->start, 0, bytes); hmm_set(bo->start, 0, bytes);
dev_dbg(atomisp_dev,
"%s: pages: 0x%08x (%ld bytes), type: %d from highmem %d, user ptr %p, cached %d\n",
__func__, bo->start, bytes, type, from_highmem, userptr, cached);
return bo->start; return bo->start;
bind_err: bind_err: