AuxXxilium/linux_dsm_epyc7002
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drm/exynos: added missed vm area region mapping type.

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with this patch, if the memory region is physically non-continuous
then VM_MIXEDMAP is set to vm->vm_flags otherwise VM_PFNMAP.
we had missed this flag setting.

Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
This commit is contained in:
Inki Dae 2012-04-23 19:47:18 +09:00
parent f6ead8dea5
commit 818c4ea7c5
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/exynos/exynos_drm_gem.c
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@ -514,6 +514,8 @@ static int exynos_drm_gem_mmap_buffer(struct file *filp,
if (!buffer->pages)
return -EINVAL;
vma->vm_flags |= VM_MIXEDMAP;
do {
ret = vm_insert_page(vma, uaddr, buffer->pages[i++]);
if (ret) {