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disp: msm: fix coherent device check

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Coherency check is done for all kernel revisions during
begin_cpu_access, but the check is limited to older kernel
revisions during end_cpu_access. Fix it to have the
coherency check for all begin & end cpu access.

Change-Id: I03ada0d7dea6875f0be7b4f807738480bcfb3c70
Signed-off-by: Shamika Joshi <quic_shamjosh@quicinc.com>
This commit is contained in:
Shamika Joshi
2023-06-26 20:46:36 -07:00
parent 63f9170aa4
commit 3c93b79824
1 changed files with 1 additions and 2 deletions
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3
msm/msm_gem.c
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@@ -813,12 +813,11 @@ static void msm_gem_vunmap_locked(struct drm_gem_object *obj)
if (obj->import_attach) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 15, 0))
dma_buf_vunmap(obj->import_attach->dmabuf, &map);
dma_buf_end_cpu_access(obj->import_attach->dmabuf, DMA_BIDIRECTIONAL);
#else
dma_buf_vunmap(obj->import_attach->dmabuf, msm_obj->vaddr);
#endif
if (obj->dev && obj->dev->dev && !dev_is_dma_coherent(obj->dev->dev))
dma_buf_end_cpu_access(obj->import_attach->dmabuf, DMA_BIDIRECTIONAL);
#endif
} else {
vunmap(msm_obj->vaddr);
}