* Re: [gentoo-user] Is Vesa/Uvesa still the way for Frame buffer
@ 2013-08-02 15:53 99% ` Canek Peláez Valdés
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From: Canek Peláez Valdés @ 2013-08-02 15:53 UTC (permalink / raw
To: gentoo-user
On Fri, Aug 2, 2013 at 10:45 AM, Harry Putnam <reader@newsguy.com> wrote:
> 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 │
First:
/usr/src/linux/Documentation/fb/uvesafb.txt
Second: what card do you use?
Regards.
--
Canek Peláez Valdés
Posgrado en Ciencia e Ingeniería de la Computación
Universidad Nacional Autónoma de México
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