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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 1f3555d990
commit 2e9a3dabbd
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1 changed files with 8 additions and 0 deletions
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8
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 +160,13 @@ EOF</userinput></screen>
be needed with some rare configurations.
</para>
<para>
The <command>set gfxpayload=1024x768x32</command> command sets the
size 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.
</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