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efi/gop: Factor out locating the gop into a function

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Move the loop to find a gop into its own function.

Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu>
Link: https://lore.kernel.org/r/20200320020028.1936003-5-nivedita@alum.mit.edu
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
This commit is contained in:
Arvind Sankar 2020-03-19 22:00:18 -04:00 committed by Ard Biesheuvel
parent 6327e6d0e4
commit ecf53091f3
1 changed files with 17 additions and 6 deletions
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23
drivers/firmware/efi/libstub/gop.c
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@ -85,19 +85,17 @@ setup_pixel_info(struct screen_info *si, u32 pixels_per_scan_line,
}
}
static efi_status_t setup_gop(struct screen_info *si, efi_guid_t *proto,
unsigned long size, void **handles)
static efi_graphics_output_protocol_t *
find_gop(efi_guid_t *proto, unsigned long size, void **handles)
{
efi_graphics_output_protocol_t *gop, *first_gop;
efi_graphics_output_protocol_mode_t *mode;
efi_graphics_output_mode_info_t *info = NULL;
efi_physical_addr_t fb_base;
efi_status_t status;
efi_handle_t h;
int i;
first_gop = NULL;
gop = NULL;
for_each_efi_handle(h, handles, size, i) {
efi_guid_t conout_proto = EFI_CONSOLE_OUT_DEVICE_GUID;
@ -134,12 +132,25 @@ static efi_status_t setup_gop(struct screen_info *si, efi_guid_t *proto,
}
}
return first_gop;
}
static efi_status_t setup_gop(struct screen_info *si, efi_guid_t *proto,
unsigned long size, void **handles)
{
efi_graphics_output_protocol_t *gop;
efi_graphics_output_protocol_mode_t *mode;
efi_graphics_output_mode_info_t *info = NULL;
efi_physical_addr_t fb_base;
gop = find_gop(proto, size, handles);
/* Did we find any GOPs? */
if (!first_gop)
if (!gop)
return EFI_NOT_FOUND;
/* EFI framebuffer */
mode = efi_table_attr(first_gop, mode);
mode = efi_table_attr(gop, mode);
info = efi_table_attr(mode, info);
si->orig_video_isVGA = VIDEO_TYPE_EFI;