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drm-panic: grub: Set up the VESA framebuffer for the kernel

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In the previous commit we've enabled the kernel to use the SimpleDRM
driver on the VESA framebuffer.  Now provide the VESA framebuffer to the
kernel.
This commit is contained in:
Xi Ruoyao 2024-10-30 19:59:56 +08:00
parent fdf21dccba
commit 33c17d128b
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1 changed files with 9 additions and 0 deletions
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9
chapter10/grub.xml
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@ -135,6 +135,7 @@ set timeout=5
insmod part_gpt
insmod ext2
set root=(hd0,2)
set gfxpayload=1024x768x32
menuentry "GNU/Linux, Linux &linux-version;-lfs-&version;" {
linux /boot/vmlinuz-&linux-version;-lfs-&version; root=/dev/sda2 ro
@ -159,6 +160,14 @@ EOF</userinput></screen>
be needed with some rare configurations.
</para>
<para>
The <command>set gfxpayload=1024x768x32</command> command sets the
resolution and color depth of the VESA framebuffer to be passed to the
kernel. It's necessary for the kernel SimpleDRM driver to use the
VESA framebuffer. You can use a different resolution or color depth
value which better suits for your monitor.
</para>
<note><para>From <application>GRUB</application>'s perspective, the
kernel files are relative to the partition used. If you
used a separate /boot partition, remove /boot from the above