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staging: android: ion: Use the MSM dmabuf ops when possible

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Use the MSM dmabuf operations for cache maintenance on ION
buffers if they are present. Otherwise, fallback to the
default ION dmabuf operations.

Change-Id: I56e7eabb2614a958aca11c9c1fa4ecd5415ce96a
Signed-off-by: Isaac J. Manjarres <isaacm@codeaurora.org>
This commit is contained in:
Isaac J. Manjarres 2019-08-07 10:05:58 -07:00
commit b0cbb06dd1
1 changed files with 5 additions and 0 deletions
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5
drivers/staging/android/ion/ion.c
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@ -27,6 +27,7 @@
#include <linux/vmalloc.h>
#include "ion.h"
#include "msm_ion_priv.h"
static struct ion_device *internal_dev;
@ -427,7 +428,11 @@ static struct dma_buf *ion_alloc_dmabuf(size_t len, unsigned int heap_id_mask,
if (IS_ERR(buffer))
return ERR_CAST(buffer);
#if IS_ENABLED(CONFIG_ION_MSM_HEAPS)
exp_info.ops = &msm_ion_dma_buf_ops;
#else
exp_info.ops = &dma_buf_ops;
#endif
exp_info.size = buffer->size;
exp_info.flags = O_RDWR;
exp_info.priv = buffer;