From 3fef0def84e65d399658b1d028ad558329a0669a Mon Sep 17 00:00:00 2001
From: Simon Glass <sjg@chromium.org>
Date: Tue, 19 Sep 2023 21:00:11 -0600
Subject: x86: coreboot: Enable VIDEO_COPY

At least on modern machines the write-back mechanism for the frame buffer
is quite slow when scrolling, since it must read the entire frame buffer
and write it back.

Enable the VIDEO_COPY feature to resolve this problem.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
---
 arch/x86/dts/coreboot.dts | 1 +
 1 file changed, 1 insertion(+)

(limited to 'arch/x86')

diff --git a/arch/x86/dts/coreboot.dts b/arch/x86/dts/coreboot.dts
index f9ff534..0eb31ca 100644
--- a/arch/x86/dts/coreboot.dts
+++ b/arch/x86/dts/coreboot.dts
@@ -42,6 +42,7 @@
 	};
 
 	coreboot-fb {
+		bootph-some-ram;
 		compatible = "coreboot-fb";
 	};
 };
-- 
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