Re: [Linux-fbdev-devel] [PATCH 1/13] viafb: viafb.modes, viafb.txt

["Bruno Prémont" <bonbons@linux-vserver.org>]

On Mon, 30 June 2008 <JosephChan@via.com.tw> wrote:
> diff -Nur a/Documentation/fb/viafb.txt b/Documentation/fb/viafb.txt
> --- a/Documentation/fb/viafb.txt	1970-01-01 08:00:00.000000000
> +0800 +++ b/Documentation/fb/viafb.txt	2009-01-02 16:28:20.000000000 +0800
> [...]
> +[Using the viafb module]
> +-- -- --------------------
> +    Start viafb with default settings:
> +        #modprobe viafb
> +
> +    Start viafb with with user options:
> +        #modprobe viafb viafb_mode=800x600 via_fb_bpp=16 viafb_refresh=60 
> +                  viafb_active_dev=CRT+DVI viafb_dvi_port=DVP1
> +                  viafb_mode1=1024x768 via_fb_bpp=16 viafb_refresh1=60
> +                  viafb_SAMM_ON=1 
> +
> +    viafb_mode:
> +        640x480 (default)
> +        720x480 
> +        800x600 
> +        1024x768
> +        ......
> +
> +    via_fb_bpp:
> +        8, 16, 32 (default:32)
> +
> +    viafb_refresh:
> +        60, 75, 85, 100, 120 (default:60)
> +
> [...]
Is there a specific reason why some module options start with via_fb_
and others with viafb_?


> +[Building viafb as a built - in driver on Linux kernel 2.6.xx]
> +--------------------------------------------------------------
> +    Step 1: Get kernel source and put them under /usr/src/linux 
> +    Step 2: Copy FBDev to proper location.
> +            # cp -a FBDev /usr/src/linux/drivers/video/via
> +    Step 3: Modify Makefile and Kconfig under /usr/src/linux/drivers/video:
> +        add line to Makefile
> +	        "obj-$(CONFIG_FB_VIA)              += via/"
> +
> +        add below lines to Kconfig
> +           config FB_VIA
> +               tristate "VIA UniChrome (Pro) and Chrome9 display support"
> +               depends on FB && PCI 
> +               select FB_CFB_FILLRECT 
> +               select FB_CFB_COPYAREA
> +               select FB_CFB_IMAGEBLIT 
> +               select FB_SOFT_CURSOR 
> + 
> +           help
> +               This is the frame buffer device driver for Graphics
> +               chips of VIA UniChrome Family(CLE266, PM800 / CN400 / CN300,
> +                                             P4M800CE / P4M800Pro / CN700,
> +                                             VN800 / CX700 / VX700, K8M890,
> +                                             P4M890 / CN896 / P4M900, VX800)
> +               Say Y if you have a VIA UniChrome graphics board. To compile
> +               this driver as a module, choose M here: the module will be
> +               called viafb.
This section can be dropped, the patch series aiming to merge viafb into
mainline tree. (the patch series does this already)

-
Bruno