Document the new GRUB_FORCE_EFI_ALLVIDEO variable
used by control whether grub-mkconfig will default
to loading just EFI video modules on EFI platforms
or all_video on EFI platforms.

Signed-off-by: Andrew Hamilton <[email protected]>
---
 docs/grub.texi | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/docs/grub.texi b/docs/grub.texi
index 5b23ae47b..669bc2c23 100644
--- a/docs/grub.texi
+++ b/docs/grub.texi
@@ -1642,6 +1642,13 @@ This option is unset by default, and is deprecated in 
favour of the less
 confusing @samp{GRUB_TIMEOUT_STYLE=countdown} or
 @samp{GRUB_TIMEOUT_STYLE=hidden}.
 
+@item GRUB_FORCE_EFI_ALLVIDEO
+When set to true, this will allow grub-mkconfig to generate a GRUB config
+that supports loading the all_video module on the EFI platform instead of
+just the efi_gop and efi_uga modules.
+
+This option is unset by default.
+
 @end table
 
 For more detailed customisation of @command{grub-mkconfig}'s output, you may
-- 
2.43.0


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