Re: omapdss wakeup issues

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Fri, Mar 1, 2013 at 10:07 PM, Andreas Müller
<schnitzeltony@xxxxxxxxxxxxxx> wrote:
> On Thu, Feb 28, 2013 at 5:27 PM, Andreas Müller
> <schnitzeltony@xxxxxxxxxxxxxx> wrote:
>> Hi,
>>
>> I am preparing 3.8 mainline for gumstix overo and have the following
>> issue: waking Monitor connected by HDMI from power save makes Monitor
>> complain for unsupported frequency and console says:
>>
>> | omapdss APPLY error: FIFO UNDERFLOW on gfx, disabling the overlay
>>
>> Is this a known issue?
>>
> Sorry for the noise but this is the only issue I have with 3.8.1
> stable (currently). Some further notes:
>
> * with old OMAP 3530 (only 600MHz capable) the HDMI does not work for
> warm restart and not for pressing reset. The only way out is power-off
> / power on. This I saw with 3.6 the first time but I did not follow it
> at that time.
> * My kernel command line is
>     console=ttyO2,115200n8 mpurate=800 vram=12M
> omapfb.mode=dvi:1280x1024MR-24@60 omapdss.def_disp=dvi
> root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait
>  I added omapdss.debug=y and omapdss.debug=1 but that did give me
> further information. Are there other settings available helping to
> debug this?
> * I attached kernel config and bootlog for proper start - maybe this
> gives some hint.
> * Monitor power down is caused by XFCE power management
>
> Is there any other information I can give to solve this?
>
FWIW DM3730 (Overo fire storm) the wakeup causes some additional warning

omapdss APPLY error: FIFO UNDERFLOW on gfx, disabling the overlay
------------[ cut here ]------------
WARNING: at drivers/video/omap2/dss/dispc.c:543 dispc_mgr_go+0x20/0x54()
Modules linked in: libertas_sdio libertas lib80211 cfg80211 rfkill
ads7846 gpio_keys
[<c001254c>] (unwind_backtrace+0x0/0xe0) from [<c002e7fc>]
(warn_slowpath_common+0x4c/0x64)
[<c002e7fc>] (warn_slowpath_common+0x4c/0x64) from [<c002e82c>]
(warn_slowpath_null+0x18/0x1c)
[<c002e82c>] (warn_slowpath_null+0x18/0x1c) from [<c0370cc0>]
(dispc_mgr_go+0x20/0x54)
[<c0370cc0>] (dispc_mgr_go+0x20/0x54) from [<c037a900>]
(dispc_error_worker+0x6c/0x18c)
[<c037a900>] (dispc_error_worker+0x6c/0x18c) from [<c004667c>]
(process_one_work+0x1fc/0x3dc)
[<c004667c>] (process_one_work+0x1fc/0x3dc) from [<c0046c08>]
(worker_thread+0x238/0x34c)
[<c0046c08>] (worker_thread+0x238/0x34c) from [<c004ad08>] (kthread+0xa0/0xb0)
[<c004ad08>] (kthread+0xa0/0xb0) from [<c000d938>] (ret_from_fork+0x14/0x3c)
---[ end trace 40fcd9df3dd2aaf5 ]---

Andreas
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Arm (vger)]     [ARM Kernel]     [ARM MSM]     [Linux Tegra]     [Linux WPAN Networking]     [Linux Wireless Networking]     [Maemo Users]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Trails]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux