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efi/gop: Use helper macros for populating lfb_base 

Use the lower/upper_32_bits macros from kernel.h to initialize
si->lfb_base and si->ext_lfb_base.

Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu>
Link: https://lore.kernel.org/r/20200320020028.1936003-8-nivedita@alum.mit.edu
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
This commit is contained in:
Arvind Sankar 2020-03-19 22:00:21 -04:00 committed by Ard Biesheuvel
parent e484c594ba
commit f1d1853bdb
1 changed files with 2 additions and 2 deletions
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4
drivers/firmware/efi/libstub/gop.c
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@ -158,8 +158,8 @@ static efi_status_t setup_gop(struct screen_info *si, efi_guid_t *proto,
si->lfb_height = info->vertical_resolution;
fb_base = efi_table_attr(mode, frame_buffer_base);
si->lfb_base = fb_base;
si->ext_lfb_base = (u64)(unsigned long)fb_base >> 32;
si->lfb_base = lower_32_bits(fb_base);
si->ext_lfb_base = upper_32_bits(fb_base);
if (si->ext_lfb_base)
si->capabilities |= VIDEO_CAPABILITY_64BIT_BASE;