diff options
Diffstat (limited to 'drivers/gpu/drm/udl')
| -rw-r--r-- | drivers/gpu/drm/udl/udl_drv.h | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/udl/udl_gem.c | 15 |
2 files changed, 4 insertions, 14 deletions
diff --git a/drivers/gpu/drm/udl/udl_drv.h b/drivers/gpu/drm/udl/udl_drv.h index 55c0cc3..0725825 100644 --- a/drivers/gpu/drm/udl/udl_drv.h +++ b/drivers/gpu/drm/udl/udl_drv.h @@ -16,6 +16,7 @@ #include <linux/usb.h> #include <drm/drm_gem.h> +#include <linux/mm_types.h> #define DRIVER_NAME "udl" #define DRIVER_DESC "DisplayLink" @@ -136,7 +137,7 @@ void udl_gem_put_pages(struct udl_gem_object *obj); int udl_gem_vmap(struct udl_gem_object *obj); void udl_gem_vunmap(struct udl_gem_object *obj); int udl_drm_gem_mmap(struct file *filp, struct vm_area_struct *vma); -int udl_gem_fault(struct vm_fault *vmf); +vm_fault_t udl_gem_fault(struct vm_fault *vmf); int udl_handle_damage(struct udl_framebuffer *fb, int x, int y, int width, int height); diff --git a/drivers/gpu/drm/udl/udl_gem.c b/drivers/gpu/drm/udl/udl_gem.c index 9a15cce..d5a2329 100644 --- a/drivers/gpu/drm/udl/udl_gem.c +++ b/drivers/gpu/drm/udl/udl_gem.c @@ -100,13 +100,12 @@ int udl_drm_gem_mmap(struct file *filp, struct vm_area_struct *vma) return ret; } -int udl_gem_fault(struct vm_fault *vmf) +vm_fault_t udl_gem_fault(struct vm_fault *vmf) { struct vm_area_struct *vma = vmf->vma; struct udl_gem_object *obj = to_udl_bo(vma->vm_private_data); struct page *page; unsigned int page_offset; - int ret = 0; page_offset = (vmf->address - vma->vm_start) >> PAGE_SHIFT; @@ -114,17 +113,7 @@ int udl_gem_fault(struct vm_fault *vmf) return VM_FAULT_SIGBUS; page = obj->pages[page_offset]; - ret = vm_insert_page(vma, vmf->address, page); - switch (ret) { - case -EAGAIN: - case 0: - case -ERESTARTSYS: - return VM_FAULT_NOPAGE; - case -ENOMEM: - return VM_FAULT_OOM; - default: - return VM_FAULT_SIGBUS; - } + return vmf_insert_page(vma, vmf->address, page); } int udl_gem_get_pages(struct udl_gem_object *obj) |
