commit e96ac5787962efbaa53d4133a90f2187718ef7e4
author Simon Glass <sjg@chromium.org> Tue Sep 19 21:00:11 2023 -0600
committer Bin Meng <bmeng@tinylab.org> Fri Sep 22 06:05:40 2023 +0800
tree 61b355812a48a710ca782ca9ffa04c1e6ed665f2
parent c40b5d078b86a6aa6bf71da0bc0156cad620d0a1

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>

configs/coreboot_defconfig

diff --git a/configs/coreboot_defconfig b/configs/coreboot_defconfig
index 630eb9a..edc38f1 100644
--- a/configs/coreboot_defconfig
+++ b/configs/coreboot_defconfig
@@ -53,6 +53,7 @@
 CONFIG_SYS_NS16550_MEM32=y
 CONFIG_SOUND=y
 CONFIG_SOUND_I8254=y
+CONFIG_VIDEO_COPY=y
 CONFIG_CONSOLE_SCROLL_LINES=5
 CONFIG_CMD_DHRYSTONE=y
 # CONFIG_GZIP is not set