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List: gentoo-user
Subject: [gentoo-user] Is Vesa/Uvesa still the way for Frame buffer
From: Harry Putnam <reader () newsguy ! com>
Date: 2013-08-02 15:45:55
Message-ID: 8738qsw0y4.fsf () newsguy ! com
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Maybe a poorly worded question but I seem to recall some advances
where framebuffering is being handled differently than my old way.
It could be typified by the kernel line used in grub.conf like this
one:
kernel /vmlinuz root=/dev/sdb3 vga=0x31A video=vesafb:mtrr,ywrap
Or is that still a viable way to setup the framebuffer, and, of course,
making the proper Vesa and /or Uvesa choices at compile time.
OK, that leads into a second or related part to this question; I'm
having a heck of a time finding the uvesa setting in menuconfig.
A searched for 'vesa', using '/'. Output below. But I'm not finding
anything about 'UVESA' at that location.
I see, under the 'Type' line that they appear to either designate
'boolean' or 'Tristate' I know what boolean means in general but not
how to apply it here... But have no idea what Type: 'Tristate' might
mean.
I've really scrutinized that area of menuconfig... but not finding any
way to say 'y' to FB_UVESA
│ Symbol: FB_VESA [=y] │
│ Type : boolean │
│ Prompt: VESA VGA graphics support │
│ Defined at drivers/video/Kconfig:755 │
│ Depends on: HAS_IOMEM [=y] && FB [=y]=y && X86 [=y] │
│ Location: │
│ -> Device Drivers │
│ -> Graphics support │
│ (1) -> Support for frame buffer devices (FB [=y]) │
│ Selects: FB_CFB_FILLRECT [=y] && FB_CFB_COPYAREA [=y] && |
| FB_CFB_IMAGEBLIT [=y] && FB_BOOT_VE │
│ │
│ │
│ Symbol: FB_UVESA [=n] │
│ Type : tristate │
│ Prompt: Userspace VESA VGA graphics support │
│ Defined at drivers/video/Kconfig:737 │
│ Depends on: HAS_IOMEM [=y] && FB [=y] && CONNECTOR [=n] │
│ Location: │
│ -> Device Drivers │
│ -> Graphics support │
│ (2) -> Support for frame buffer devices (FB [=y]) │
│ Selects: FB_CFB_FILLRECT [=y] && FB_CFB_COPYAREA [=y] && |
| FB_CFB_IMAGEBLIT [=y] && FB_MODE_HE │
│ │
│ │
│ Symbol: FB_BOOT_VESA_SUPPORT [=y] │
│ Type : boolean │
│ Selected by: FB_VESA [=y] && HAS_IOMEM [=y] && FB [=y]=y && |
| X86 [=y] || FB_INTEL [=n] && HAS │
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