diff options
Diffstat (limited to 'drivers/firmware/efi/libstub/gop.c')
-rw-r--r-- | drivers/firmware/efi/libstub/gop.c | 57 |
1 files changed, 19 insertions, 38 deletions
diff --git a/drivers/firmware/efi/libstub/gop.c b/drivers/firmware/efi/libstub/gop.c index 8eef63c48288..a4b3d18f91da 100644 --- a/drivers/firmware/efi/libstub/gop.c +++ b/drivers/firmware/efi/libstub/gop.c @@ -461,25 +461,25 @@ setup_pixel_info(struct screen_info *si, u32 pixels_per_scan_line, } } -static efi_graphics_output_protocol_t * -find_gop(efi_guid_t *proto, unsigned long size, void **handles) +static efi_graphics_output_protocol_t *find_gop(unsigned long num, + const efi_handle_t handles[]) { efi_graphics_output_protocol_t *first_gop; efi_handle_t h; first_gop = NULL; - for_each_efi_handle(h, handles, efi_get_handle_num(size)) { + for_each_efi_handle(h, handles, num) { efi_status_t status; efi_graphics_output_protocol_t *gop; efi_graphics_output_protocol_mode_t *mode; efi_graphics_output_mode_info_t *info; - - efi_guid_t conout_proto = EFI_CONSOLE_OUT_DEVICE_GUID; void *dummy = NULL; - status = efi_bs_call(handle_protocol, h, proto, (void **)&gop); + status = efi_bs_call(handle_protocol, h, + &EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID, + (void **)&gop); if (status != EFI_SUCCESS) continue; @@ -499,7 +499,8 @@ find_gop(efi_guid_t *proto, unsigned long size, void **handles) * Once we've found a GOP supporting ConOut, * don't bother looking any further. */ - status = efi_bs_call(handle_protocol, h, &conout_proto, &dummy); + status = efi_bs_call(handle_protocol, h, + &EFI_CONSOLE_OUT_DEVICE_GUID, &dummy); if (status == EFI_SUCCESS) return gop; @@ -510,16 +511,22 @@ find_gop(efi_guid_t *proto, unsigned long size, void **handles) return first_gop; } -static efi_status_t setup_gop(struct screen_info *si, efi_guid_t *proto, - unsigned long size, void **handles) +efi_status_t efi_setup_gop(struct screen_info *si) { - efi_graphics_output_protocol_t *gop; + efi_handle_t *handles __free(efi_pool) = NULL; efi_graphics_output_protocol_mode_t *mode; efi_graphics_output_mode_info_t *info; + efi_graphics_output_protocol_t *gop; + efi_status_t status; + unsigned long num; - gop = find_gop(proto, size, handles); + status = efi_bs_call(locate_handle_buffer, EFI_LOCATE_BY_PROTOCOL, + &EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID, NULL, &num, + &handles); + if (status != EFI_SUCCESS) + return status; - /* Did we find any GOPs? */ + gop = find_gop(num, handles); if (!gop) return EFI_NOT_FOUND; @@ -551,29 +558,3 @@ static efi_status_t setup_gop(struct screen_info *si, efi_guid_t *proto, return EFI_SUCCESS; } - -/* - * See if we have Graphics Output Protocol - */ -efi_status_t efi_setup_gop(struct screen_info *si, efi_guid_t *proto, - unsigned long size) -{ - efi_status_t status; - void **gop_handle = NULL; - - status = efi_bs_call(allocate_pool, EFI_LOADER_DATA, size, - (void **)&gop_handle); - if (status != EFI_SUCCESS) - return status; - - status = efi_bs_call(locate_handle, EFI_LOCATE_BY_PROTOCOL, proto, NULL, - &size, gop_handle); - if (status != EFI_SUCCESS) - goto free_handle; - - status = setup_gop(si, proto, size, gop_handle); - -free_handle: - efi_bs_call(free_pool, gop_handle); - return status; -} |