linux-kernel - Re: gma500 driver feedback on sony vaio p21z

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Date:	Thu, 7 Apr 2011 19:15:17 +0200
From:	Kristoffer Ericson <kristoffer.ericson@...il.com>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: gma500 driver feedback on sony vaio p21z

On Thu, Apr 07, 2011 at 01:15:57PM +0100, Alan Cox wrote:
> On Thu, 7 Apr 2011 12:22:15 +0200
> Kristoffer Ericson <kristoffer.ericson@...il.com> wrote:
> 
> > Hey,
> > 
> > Is 1024x768 hardcoded in the driver atm? It looks strange on
> > my sony since the native resolution should be 1600x768 and
> > I effectivly get a black screen area of the difference in pixels.
> 
> The resolution is autodetected so ought to be right but I don't doubt it
> will fail for something! Firstly however how much stolen RAM is your
> system reporting and can you send me a dmesg ?

Lol, I didnt even bother look at the dmesg :D 
Looks like its not happy with the backlight init:
Attached full dmesg

[    1.965676] fb0: psbfb frame buffer device
[    1.965681] drm: registered panic notifier
[    1.965698] ------------[ cut here ]------------
[    1.965715] WARNING: at drivers/video/backlight/backlight.c:314 backlight_device_register+0xd0/0x137()
[    1.965723] Hardware name: VGN-P21Z_R
[    1.965728] psb-bl: invalid backlight type
[    1.965733] Modules linked in:
[    1.965742] Pid: 1, comm: swapper Not tainted 2.6.39-rc1-hpc+ #4
[    1.965750] Call Trace:
[    1.965766]  [<c103362c>] ? warn_slowpath_common+0x6a/0x7b
[    1.965776]  [<c11e3161>] ? backlight_device_register+0xd0/0x137
[    1.965785]  [<c10336a3>] ? warn_slowpath_fmt+0x28/0x2c
[    1.965794]  [<c11e3161>] ? backlight_device_register+0xd0/0x137
[    1.965807]  [<c131e603>] ? psb_backlight_init+0x32/0x185
[    1.965816]  [<c1320467>] ? psb_driver_load+0x47f/0x4b6
[    1.965827]  [<c12438f8>] ? drm_get_pci_dev+0x12f/0x20b
[    1.965837]  [<c11c6e28>] ? local_pci_probe+0x34/0x74
[    1.965845]  [<c11c7806>] ? pci_device_probe+0x41/0x63
[    1.965856]  [<c1282019>] ? driver_probe_device+0x8c/0x110
[    1.965864]  [<c12820dd>] ? __driver_attach+0x40/0x5b
[    1.965873]  [<c1281875>] ? bus_for_each_dev+0x37/0x5f
[    1.965882]  [<c1281ecf>] ? driver_attach+0x11/0x13
[    1.965890]  [<c128209d>] ? driver_probe_device+0x110/0x110
[    1.965899]  [<c1281bf0>] ? bus_add_driver+0x87/0x1bb
[    1.965909]  [<c11af944>] ? kset_find_obj_hinted+0x43/0x7d
[    1.965919]  [<c15de581>] ? staging_init+0x3/0x3
[    1.965928]  [<c128251c>] ? driver_register+0x7a/0xd9
[    1.965936]  [<c12439f7>] ? drm_pci_init+0x23/0xbc
[    1.965944]  [<c15de581>] ? staging_init+0x3/0x3
[    1.965952]  [<c11c79d1>] ? __pci_register_driver+0x33/0x89
[    1.965961]  [<c15de581>] ? staging_init+0x3/0x3
[    1.965970]  [<c1001150>] ? do_one_initcall+0x68/0x10f
[    1.965980]  [<c15b425b>] ? kernel_init+0xb3/0x12a
[    1.965989]  [<c15b41a8>] ? parse_early_options+0x18/0x18
[    1.965997]  [<c13c627e>] ? kernel_thread_helper+0x6/0xd
[    1.966004] ---[ end trace 269e1680fe8fb34d ]---
[    1.966082] [drm] Initialized pvrsrvkm 8.1.0 2009-03-10 for 0000:00:02.0 on minor 0
[    1.966145] Initializing network drop monitor service

> 
> Alan

View attachment "dmesg-sonyvaio.txt" of type "text/plain" (45506 bytes)