diff options
author | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-05-26 10:11:14 +0200 |
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committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-06-11 18:10:03 +0200 |
commit | e19718f6dea0d8123d7fefc8449b519bb05dff47 (patch) | |
tree | 5c1483d40f6f2db6a9477249a47169f2512d6abd /drivers | |
parent | 576680cd014b5c6fd6d50abd8a43af83b016088f (diff) |
media: atomisp: add debug message to help debugging hmm code
The hmm code is partially based on a fork from 3.10 code,
and has bugs.
Add debug there to help tracking what happens there.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/staging/media/atomisp/pci/hmm/hmm_bo.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/hmm/hmm_bo.c b/drivers/staging/media/atomisp/pci/hmm/hmm_bo.c index 6fce8c95be1d..b6dcd246d7af 100644 --- a/drivers/staging/media/atomisp/pci/hmm/hmm_bo.c +++ b/drivers/staging/media/atomisp/pci/hmm/hmm_bo.c @@ -1015,6 +1015,11 @@ static int alloc_user_pages(struct hmm_buffer_object *bo, bo->mem_type = HMM_BO_MEM_TYPE_USER; } + dev_dbg(atomisp_dev, "%s: %d %s pages were allocated as 0x%08x\n", + __func__, + bo->pgnr, + bo->mem_type == HMM_BO_MEM_TYPE_USER ? "user" : "pfn", page_nr); + /* can be written by caller, not forced */ if (page_nr != bo->pgnr) { dev_err(atomisp_dev, |