x86: Use cache, don't clear the display in video BIOS
There is no need to run with the cache disabled, and there is no point in
clearing the display frame buffer since U-Boot does it later.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/x86/lib/bios.c b/arch/x86/lib/bios.c
index d1f8933..4285348 100644
--- a/arch/x86/lib/bios.c
+++ b/arch/x86/lib/bios.c
@@ -210,8 +210,8 @@
debug("VBE: Setting VESA mode %#04x\n", mi->video_mode);
/* request linear framebuffer mode */
mi->video_mode |= (1 << 14);
- /* request clearing of framebuffer */
- mi->video_mode &= ~(1 << 15);
+ /* don't clear the framebuffer, we do that later */
+ mi->video_mode |= (1 << 15);
realmode_interrupt(0x10, VESA_SET_MODE, mi->video_mode,
0x0000, 0x0000, 0x0000, 0x0000);
@@ -262,7 +262,6 @@
/* Make sure the code is placed. */
setup_realmode_code();
- disable_caches();
debug("Calling Option ROM at %lx, pci device %#x...", addr, num_dev);
/* Option ROM entry point is at OPROM start + 3 */