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efi/gop: Add an option to list out the available GOP modes

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Add video=efifb:list option to list the modes that are available.

Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu>
Link: https://lore.kernel.org/r/20200518190716.751506-20-nivedita@alum.mit.edu
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
This commit is contained in:
Arvind Sankar
2020-05-18 15:07:11 -04:00
committed by Ard Biesheuvel
parent 9b47c52756
commit 14c574f35c
5 changed files with 139 additions and 1 deletions
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include/linux/efi.h
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@@ -39,6 +39,7 @@
#define EFI_WRITE_PROTECTED ( 8 | (1UL << (BITS_PER_LONG-1)))
#define EFI_OUT_OF_RESOURCES ( 9 | (1UL << (BITS_PER_LONG-1)))
#define EFI_NOT_FOUND (14 | (1UL << (BITS_PER_LONG-1)))
#define EFI_TIMEOUT (18 | (1UL << (BITS_PER_LONG-1)))
#define EFI_ABORTED (21 | (1UL << (BITS_PER_LONG-1)))
#define EFI_SECURITY_VIOLATION (26 | (1UL << (BITS_PER_LONG-1)))