Gentoo Archives: gentoo-user

From: Bruce Hill <daddy@×××××××××××××××××××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Is Vesa/Uvesa still the way for Frame buffer
Date: Fri, 02 Aug 2013 15:56:16
Message-Id: 20130802155603.GB25510@server
In Reply to: [gentoo-user] Is Vesa/Uvesa still the way for Frame buffer by Harry Putnam
1 On Fri, Aug 02, 2013 at 11:45:55AM -0400, Harry Putnam wrote:
2 > Maybe a poorly worded question but I seem to recall some advances
3 > where framebuffering is being handled differently than my old way.
4 >
5 > It could be typified by the kernel line used in grub.conf like this
6 > one:
7 >
8 > kernel /vmlinuz root=/dev/sdb3 vga=0x31A video=vesafb:mtrr,ywrap
9 >
10 > Or is that still a viable way to setup the framebuffer, and, of course,
11 > making the proper Vesa and /or Uvesa choices at compile time.
12 >
13 > OK, that leads into a second or related part to this question; I'm
14 > having a heck of a time finding the uvesa setting in menuconfig.
15 >
16 > A searched for 'vesa', using '/'. Output below. But I'm not finding
17 > anything about 'UVESA' at that location.
18 >
19 > I see, under the 'Type' line that they appear to either designate
20 > 'boolean' or 'Tristate' I know what boolean means in general but not
21 > how to apply it here... But have no idea what Type: 'Tristate' might
22 > mean.
23 >
24 > I've really scrutinized that area of menuconfig... but not finding any
25 > way to say 'y' to FB_UVESA
26 >
27 >
28 > │ Symbol: FB_VESA [=y] │
29 > │ Type : boolean │
30 > │ Prompt: VESA VGA graphics support │
31 > │ Defined at drivers/video/Kconfig:755 │
32 > │ Depends on: HAS_IOMEM [=y] && FB [=y]=y && X86 [=y] │
33 > │ Location: │
34 > │ -> Device Drivers │
35 > │ -> Graphics support │
36 > │ (1) -> Support for frame buffer devices (FB [=y]) │
37 > │ Selects: FB_CFB_FILLRECT [=y] && FB_CFB_COPYAREA [=y] && |
38 > | FB_CFB_IMAGEBLIT [=y] && FB_BOOT_VE │
39 > │ │
40 > │ │
41 > │ Symbol: FB_UVESA [=n] │
42 > │ Type : tristate │
43 > │ Prompt: Userspace VESA VGA graphics support │
44 > │ Defined at drivers/video/Kconfig:737 │
45 > │ Depends on: HAS_IOMEM [=y] && FB [=y] && CONNECTOR [=n] │
46 > │ Location: │
47 > │ -> Device Drivers │
48 > │ -> Graphics support │
49 > │ (2) -> Support for frame buffer devices (FB [=y]) │
50 > │ Selects: FB_CFB_FILLRECT [=y] && FB_CFB_COPYAREA [=y] && |
51 > | FB_CFB_IMAGEBLIT [=y] && FB_MODE_HE │
52 > │ │
53 > │ │
54 > │ Symbol: FB_BOOT_VESA_SUPPORT [=y] │
55 > │ Type : boolean │
56 > │ Selected by: FB_VESA [=y] && HAS_IOMEM [=y] && FB [=y]=y && |
57 > | X86 [=y] || FB_INTEL [=n] && HAS │
58
59 It depends upon which video driver you use. Most of them now use KMS. Start
60 reading https://wiki.gentoo.org/wiki/Xorg/Configuration and if you still need
61 help after that post back.
62
63 Welcome to the list,
64 Bruce
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