diff options
| -rw-r--r-- | drivers/video/fbdev/efifb.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c index 9e529cc2b4ff..9f39f0c360e0 100644 --- a/drivers/video/fbdev/efifb.c +++ b/drivers/video/fbdev/efifb.c | |||
| @@ -477,8 +477,12 @@ static int efifb_probe(struct platform_device *dev) | |||
| 477 | * If the UEFI memory map covers the efifb region, we may only | 477 | * If the UEFI memory map covers the efifb region, we may only |
| 478 | * remap it using the attributes the memory map prescribes. | 478 | * remap it using the attributes the memory map prescribes. |
| 479 | */ | 479 | */ |
| 480 | mem_flags |= EFI_MEMORY_WT | EFI_MEMORY_WB; | 480 | md.attribute &= EFI_MEMORY_UC | EFI_MEMORY_WC | |
| 481 | mem_flags &= md.attribute; | 481 | EFI_MEMORY_WT | EFI_MEMORY_WB; |
| 482 | if (md.attribute) { | ||
| 483 | mem_flags |= EFI_MEMORY_WT | EFI_MEMORY_WB; | ||
| 484 | mem_flags &= md.attribute; | ||
| 485 | } | ||
| 482 | } | 486 | } |
| 483 | if (mem_flags & EFI_MEMORY_WC) | 487 | if (mem_flags & EFI_MEMORY_WC) |
| 484 | info->screen_base = ioremap_wc(efifb_fix.smem_start, | 488 | info->screen_base = ioremap_wc(efifb_fix.smem_start, |