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List:       freedesktop-xorg
Subject:    RE: Port xf86-video-ast to Openpower
From:       YC Chen <yc_chen () aspeedtech ! com>
Date:       2016-04-18 6:40:39
Message-ID: ecb78372616f45c790db038916276304 () TWMBX02 ! aspeed ! com
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Hi Yu,
Sorry, I have no idea about "ioBase" error. It should declare in lnx_video.c for ppc.

Regards,

Y.C. Chen

-----Original Message-----
From: yu [mailto:kkndyu@gmail.com] 
Sent: Friday, April 15, 2016 6:01 PM
To: YC Chen <yc_chen@aspeedtech.com>
Cc: xorg@lists.x.org
Subject: Re: Port xf86-video-ast to Openpower

Hi, Chen

I'll try it, thanks!

And also the "undefined symbol: ioBase" error? I just  bypass it temporarily, any \
clue to solve it?


2016-04-15 10:38 GMT+08:00 YC Chen <yc_chen@aspeedtech.com>:
> Hi yu,
> For the issue about "[ 26963.956] (--) Chipset ASPEED Graphics Family found [ \
> 26963.956] (EE) ast: The PCI device 0x2000 at 07@01:00:0 has a kernel module \
>                 claiming it."
> -> please add "nomodeset" in boot option to avoid load "drm" driver.
> Please send the related log if it still failed.
> 
> Regards,
> 
> Y.C. Chen
> 
> -----Original Message-----
> From: yu [mailto:kkndyu@gmail.com]
> Sent: Friday, April 15, 2016 9:50 AM
> To: xorg@lists.x.org; YC Chen <yc_chen@aspeedtech.com>
> Subject: Port xf86-video-ast to Openpower
> 
> Dear Maintainers,
> 
> 
> I have a Tyan TN71-BP012 power8 server, and its graphic is  Aspeed AST2400.
> http://tyan.com/Barebones_TN71-BP012_BSP012T71V14HR-4T-3
> 
> Recently I test Ubuntu 15.10 ppc64el on it, the kernel ast driver works OK, but \
> when test X, I found that the ast_drv.so build from the xf86-video-ast can not \
> work, here is the error message from X: 
> [  7498.243] (II) LoadModule: "ast"
> [  7498.244] (II) Loading /usr/lib/xorg/modules/drivers/ast_drv.so
> [  7498.244] (EE) Failed to load
> /usr/lib/xorg/modules/drivers/ast_drv.so:
> /usr/lib/xorg/modules/drivers/ast_drv.so: undefined symbol: ioBase [  7498.244] \
> (II) UnloadModule: "ast" [  7498.244] (II) Unloading ast
> [  7498.244] (EE) Failed to load module "ast" (loader failed, 7)
> 
> I searched the "ioBase", it is defined in the compiler.h under the MACRO \
> "__powerpc__", so I just change the MACRO to let the driver can be load, then error \
> again: 
> [ 26963.956] (WW) Falling back to old probe method for ast [ 26963.956] (--) \
> Assigning device section with no busID to primary device [ 26963.956] (--) \
> Assigning device section with no busID to primary device [ 26963.956] (WW) AST: \
> More than one matching Device section found: Autoconfigured Video Device ast
> [ 26963.956] (--) Chipset ASPEED Graphics Family found [ 26963.956] (EE) ast: The \
> PCI device 0x2000 at 07@01:00:0 has a kernel module claiming it. [ 26963.956] (EE) \
> ast: This driver cannot operate until it has been unloaded. 
> So I just comment the "pci_device_has_kernel_driver" in ast_driver.c to let the \
> probe continue, then error again: 
> [ 22795.892] (II) AST(0): Creating default Display subsection in Screen section
> "Default Screen Section" for depth/fbbpp 24/32 [ 22795.892] (==) AST(0): Depth 24, \
> (--) framebuffer bpp 32 [ 22795.892] (==) AST(0): Using gamma correction (1.0, 1.0, \
> 1.0) [ 22795.892] (==) AST(0): RGB weight 888 [ 22795.892] (==) AST(0): Default \
> visual is TrueColor [ 22795.892] (--) AST(0): Chipset: "ASPEED Graphics Family" [ \
> 22795.892] (II) AST(0): Linear framebuffer at 0x82000000 [  22795.893] (II) AST(0): \
> IO registers at addr 0x81800000 [ 22795.893]  (EE) AST(0): Map Memory Map IO Failed
> 
> 
> It seems that the xf86-video-ast driver is for a 32bit system? is there other X \
> driver for the power8 machine using AST chips? 
> BTW: The xf86-video-vesa can't work on the machine either, the error message is \
> also "undefined symbol: ioBase". 
> cheers
> 
> Yu
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