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authorRodrigo Vivi <rodrigo.vivi@intel.com>2018-07-23 09:13:12 -0700
committerRodrigo Vivi <rodrigo.vivi@intel.com>2018-07-23 09:13:12 -0700
commitc74a7469f97c0f40b46e82ee979f9fb1bb6e847c (patch)
treef2690a1a916b73ef94657fbf0e0141ae57701825 /drivers/gpu/drm/exynos/exynos_drm_gem.c
parent6f15a7de86c8cf2dc09fc9e6d07047efa40ef809 (diff)
parent500775074f88d9cf5416bed2ca19592812d62c41 (diff)
Merge drm/drm-next into drm-intel-next-queued
We need a backmerge to get DP_DPCD_REV_14 before we push other i915 changes to dinq that could break compilation. Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_gem.c')
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_gem.c21
1 files changed, 4 insertions, 17 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c
index 11cc01b47bc0..6e1494fa71b4 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c
@@ -431,37 +431,24 @@ int exynos_drm_gem_dumb_create(struct drm_file *file_priv,
return 0;
}
-int exynos_drm_gem_fault(struct vm_fault *vmf)
+vm_fault_t exynos_drm_gem_fault(struct vm_fault *vmf)
{
struct vm_area_struct *vma = vmf->vma;
struct drm_gem_object *obj = vma->vm_private_data;
struct exynos_drm_gem *exynos_gem = to_exynos_gem(obj);
unsigned long pfn;
pgoff_t page_offset;
- int ret;
page_offset = (vmf->address - vma->vm_start) >> PAGE_SHIFT;
if (page_offset >= (exynos_gem->size >> PAGE_SHIFT)) {
DRM_ERROR("invalid page offset\n");
- ret = -EINVAL;
- goto out;
+ return VM_FAULT_SIGBUS;
}
pfn = page_to_pfn(exynos_gem->pages[page_offset]);
- ret = vm_insert_mixed(vma, vmf->address, __pfn_to_pfn_t(pfn, PFN_DEV));
-
-out:
- switch (ret) {
- case 0:
- case -ERESTARTSYS:
- case -EINTR:
- return VM_FAULT_NOPAGE;
- case -ENOMEM:
- return VM_FAULT_OOM;
- default:
- return VM_FAULT_SIGBUS;
- }
+ return vmf_insert_mixed(vma, vmf->address,
+ __pfn_to_pfn_t(pfn, PFN_DEV));
}
static int exynos_drm_gem_mmap_obj(struct drm_gem_object *obj,