函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\sysfb_efi.c Create Date:2022-07-27 09:49:08
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：sysfb_apply_efi_quirks

函数原型：__init void sysfb_apply_efi_quirks(void)

返回类型：void

参数：无

272  如果VGA标志不等于EFI graphic mode 或非能力按位与VIDEO_CAPABILITY_SKIP_QUIRKS的值则dmi_check_system(efifb_dmi_system_table)
276  如果VGA标志恒等于EFI graphic mode 且dmi_check_system(Some devices have a portrait LCD but advertise a landscape resolution (and* pitch). We simply swap width and height for these devices so that we can* correctly deal with some of them coming with multiple resolutions.)则
278  temp等于视窗缓冲宽度
280  视窗缓冲宽度等于视窗缓冲高度
281  视窗缓冲高度等于temp
282  视窗行缓冲大小等于4乘视窗缓冲宽度