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

    Thanks for checking, I also find that.
    I will inform our engineers to re-fine it.

    BRs,
    Joseph Chan
    -----Original Message-----
    From: Bruno Prémont [mailto:bonbons@linux-vserver.org]
    Sent: Monday, June 30, 2008 6:46 PM
    To: Joseph Chan
    Cc: linux-fbdev-devel@lists.sourceforge.net; linux-kernel@vger.kernel.org; akpm@linux-foundation.org; geert@linux-m68k.org
    Subject: Re: [Linux-fbdev-devel] [PATCH 1/13] viafb: viafb.modes, viafb.txt

    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

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