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media: atomisp: add hmm_create_from_userdata() helper

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Most hmm_alloc() callers want BO_PRIVATE type memory.

Add a hmm_create_from_userdata() helper for other cases so that
the hmm_alloc() calls for all the callers who don't want this
can be simplied.

Link: https://lore.kernel.org/linux-media/20220615205037.16549-29-hdegoede@redhat.com
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
This commit is contained in:
Hans de Goede
2022-06-15 21:50:25 +01:00
committed by Mauro Carvalho Chehab
parent a9796c7b47
commit ceff4bdb60
3 changed files with 7 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/staging/media/atomisp/include/hmm/hmm.h
View File

@@ -39,6 +39,7 @@ void hmm_cleanup(void);
ia_css_ptr hmm_alloc(size_t bytes, enum hmm_bo_type type,
int from_highmem, const void __user *userptr,
const uint16_t attrs);
ia_css_ptr hmm_create_from_userdata(size_t bytes, const void __user *userptr);
void hmm_free(ia_css_ptr ptr);
int hmm_load(ia_css_ptr virt, void *data, unsigned int bytes);
int hmm_store(ia_css_ptr virt, const void *data, unsigned int bytes);

5
drivers/staging/media/atomisp/pci/hmm/hmm.c
View File

@@ -221,6 +221,11 @@ ia_css_ptr hmm_alloc(size_t bytes, enum hmm_bo_type type,
return 0;
}
ia_css_ptr hmm_create_from_userdata(size_t bytes, const void __user *userptr)
{
return hmm_alloc(bytes, HMM_BO_USER, 0, userptr, 0);
}
void hmm_free(ia_css_ptr virt)
{
struct hmm_buffer_object *bo;

2
drivers/staging/media/atomisp/pci/runtime/frame/src/frame.c
View File

@@ -171,7 +171,7 @@ int ia_css_frame_map(struct ia_css_frame **frame,
goto error;
}
me->data = hmm_alloc(me->data_bytes, HMM_BO_USER, 0, data, 0);
me->data = hmm_create_from_userdata(me->data_bytes, data);
if (me->data == mmgr_NULL)
err = -EINVAL;