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authorMarek Szyprowski <m.szyprowski@samsung.com>2020-04-07 16:42:54 +0300
committerInki Dae <inki.dae@samsung.com>2020-05-18 05:36:00 +0300
commit3a2fe5662c5634b7b975fefd0b9c45bd35f72de8 (patch)
treee2927839ae9abe681b9a3ef142d0adae134be726 /drivers/gpu/drm/exynos/exynos_drm_gem.c
parentfdd79b0db1899f915f489e744a06846284fa3f1e (diff)
downloadlinux-3a2fe5662c5634b7b975fefd0b9c45bd35f72de8.tar.xz
drm/exynos: gem: Remove dead-code
The ExynosDRM page fault handler is never used, drm_gem_mmap() always calls exynos_drm_gem_mmap() function, which perform complete mapping for the given virtual address-space area. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_gem.c')
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_gem.c20
1 files changed, 0 insertions, 20 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c
index d734d9d51762..40514d3dcf60 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c
@@ -381,26 +381,6 @@ int exynos_drm_gem_dumb_create(struct drm_file *file_priv,
return 0;
}
-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;
-
- page_offset = (vmf->address - vma->vm_start) >> PAGE_SHIFT;
-
- if (page_offset >= (exynos_gem->size >> PAGE_SHIFT)) {
- DRM_ERROR("invalid page offset\n");
- return VM_FAULT_SIGBUS;
- }
-
- pfn = page_to_pfn(exynos_gem->pages[page_offset]);
- 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,
struct vm_area_struct *vma)
{