diff options
Diffstat (limited to 'drivers/video/fbdev/core')
| -rw-r--r-- | drivers/video/fbdev/core/fb_defio.c | 2 | ||||
| -rw-r--r-- | drivers/video/fbdev/core/fbmem.c | 12 |
2 files changed, 13 insertions, 1 deletions
diff --git a/drivers/video/fbdev/core/fb_defio.c b/drivers/video/fbdev/core/fb_defio.c index 37f69c061210..487d5e336e1b 100644 --- a/drivers/video/fbdev/core/fb_defio.c +++ b/drivers/video/fbdev/core/fb_defio.c @@ -69,7 +69,7 @@ int fb_deferred_io_fsync(struct file *file, loff_t start, loff_t end, int datasy { struct fb_info *info = file->private_data; struct inode *inode = file_inode(file); - int err = filemap_write_and_wait_range(inode->i_mapping, start, end); + int err = file_write_and_wait_range(file, start, end); if (err) return err; diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c index a35f788b778b..f741ba8df01b 100644 --- a/drivers/video/fbdev/core/fbmem.c +++ b/drivers/video/fbdev/core/fbmem.c @@ -33,6 +33,7 @@ #include <linux/efi.h> #include <linux/fb.h> #include <linux/fbcon.h> +#include <linux/mem_encrypt.h> #include <asm/fb.h> @@ -1397,6 +1398,12 @@ fb_mmap(struct file *file, struct vm_area_struct * vma) mutex_lock(&info->mm_lock); if (fb->fb_mmap) { int res; + + /* + * The framebuffer needs to be accessed decrypted, be sure + * SME protection is removed ahead of the call + */ + vma->vm_page_prot = pgprot_decrypted(vma->vm_page_prot); res = fb->fb_mmap(info, vma); mutex_unlock(&info->mm_lock); return res; @@ -1422,6 +1429,11 @@ fb_mmap(struct file *file, struct vm_area_struct * vma) mutex_unlock(&info->mm_lock); vma->vm_page_prot = vm_get_page_prot(vma->vm_flags); + /* + * The framebuffer needs to be accessed decrypted, be sure + * SME protection is removed + */ + vma->vm_page_prot = pgprot_decrypted(vma->vm_page_prot); fb_pgprotect(file, vma, start); return vm_iomap_memory(vma, start, len); |