From: tomi.valkeinen@ti•com (Tomi Valkeinen)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH 1/4] OMAPDSS: Fix DSS clock multiplier issue on 3703 and probably 3630
Date: Fri, 9 May 2014 11:01:52 +0300 [thread overview]
Message-ID: <536C8B70.1000306@ti.com> (raw)
In-Reply-To: <20140508232006.GG2198@atomide.com>
On 09/05/14 02:20, Tony Lindgren wrote:
> * Tony Lindgren <tony@atomide•com> [140429 16:53]:
>> Otherwise we can get often errors like the following and the
>> display won't come on:
>>
>> omapdss APPLY error: FIFO UNDERFLOW on gfx, disabling the overlay
>> omapdss APPLY error: SYNC_LOST on channel lcd, restarting
>> the output with video overlays disabled
>>
>> There are some earlier references to this issue:
>>
>> http://www.spinics.net/lists/linux-omap/msg59511.html
>> http://www.spinics.net/lists/linux-omap/msg59724.html
>>
>> It seems that it's safe to set the lower values even for 3630.
>> If we can confirm that 3630 works with the higher values
>> reliably we can add further detection.
>
> BTW, I'm also seeing this warning on 3730-evm it may be related:
>
> [ 3.523101] ------------[ cut here ]------------
> [ 3.528015] WARNING: CPU: 0 PID: 6 at drivers/video/fbdev/omap2/dss/dss.c:483 dss_set_fck_rate+0x6c/0x8c()
> [ 3.538360] clk rate mismatch: 108000000 != 115200000
> [ 3.543518] Modules linked in:
Hmm... Can you paste the clk_summary from debugfs? Somehow the clock
framework calculates the clock rate differently than the dss. Or do we
have different clock.dts files used for 3730 and 3630?
Tomi
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next prev parent reply other threads:[~2014-05-09 8:01 UTC|newest]
Thread overview: 89+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-29 23:52 [PATCH 0/4] OMAPDSS: Add support for panel ls037v7dw01 Tony Lindgren
2014-04-29 23:52 ` [PATCH 1/4] OMAPDSS: Fix DSS clock multiplier issue on 3703 and probably 3630 Tony Lindgren
2014-05-08 23:20 ` Tony Lindgren
2014-05-09 8:01 ` Tomi Valkeinen [this message]
2014-05-09 14:37 ` Tony Lindgren
2014-05-12 11:38 ` Tomi Valkeinen
2014-05-09 7:38 ` Tomi Valkeinen
2014-05-09 14:37 ` Tony Lindgren
2014-05-12 11:36 ` Tomi Valkeinen
2014-05-12 14:39 ` Tony Lindgren
2014-05-12 14:44 ` Tomi Valkeinen
2014-05-13 15:26 ` Tony Lindgren
2014-05-14 6:41 ` Tomi Valkeinen
2014-05-09 21:06 ` Andreas Müller
2014-05-11 14:42 ` Tony Lindgren
2014-05-12 8:20 ` Andreas Müller
2014-05-12 14:40 ` Tony Lindgren
2014-04-29 23:52 ` [PATCH 2/4] OMAPDSS: panel-sharp-ls037v7dw01: update to use gpiod Tony Lindgren
2014-05-07 8:15 ` Tomi Valkeinen
2014-05-08 23:25 ` Tony Lindgren
2014-04-29 23:52 ` [PATCH 3/4] OMAPDSS: panel-sharp-ls037v7dw01: add device tree support Tony Lindgren
2014-05-07 8:12 ` Tomi Valkeinen
2014-05-07 15:03 ` Tony Lindgren
2014-05-07 16:02 ` Tomi Valkeinen
2014-05-07 17:59 ` Tony Lindgren
2014-05-08 23:33 ` Tony Lindgren
2014-05-09 7:24 ` Tomi Valkeinen
2014-05-09 15:55 ` Tony Lindgren
2014-05-12 7:38 ` Tomi Valkeinen
2014-05-12 9:34 ` Javier Martinez Canillas
2014-05-12 9:40 ` Tomi Valkeinen
2014-05-12 10:00 ` Javier Martinez Canillas
2014-05-12 14:26 ` Tony Lindgren
2014-05-12 14:55 ` Tomi Valkeinen
2014-05-12 15:51 ` Tony Lindgren
2014-05-13 10:51 ` Tomi Valkeinen
2014-05-13 11:39 ` Javier Martinez Canillas
2014-05-13 15:25 ` Tony Lindgren
2014-05-14 6:19 ` Tomi Valkeinen
2014-05-14 16:02 ` Tony Lindgren
2014-05-15 9:23 ` Tomi Valkeinen
2014-05-15 18:21 ` Tony Lindgren
2014-05-16 5:56 ` Tomi Valkeinen
2014-05-16 16:07 ` Tony Lindgren
2014-05-16 17:41 ` Sebastian Reichel
2014-05-16 18:01 ` Tony Lindgren
2014-05-16 21:39 ` Tony Lindgren
2014-05-19 9:48 ` Tomi Valkeinen
2014-05-19 15:57 ` Tony Lindgren
2014-05-19 16:43 ` Arnd Bergmann
2014-05-19 18:57 ` Tomi Valkeinen
2014-05-19 19:51 ` Tony Lindgren
2014-05-21 13:05 ` Tomi Valkeinen
2014-05-21 14:24 ` Sebastian Reichel
2014-05-20 4:57 ` Sebastian Reichel
2014-05-20 5:21 ` Tomi Valkeinen
2014-05-19 9:21 ` Tomi Valkeinen
2014-05-19 16:04 ` Tony Lindgren
2014-05-19 19:05 ` Tomi Valkeinen
2014-05-20 5:12 ` Sebastian Reichel
2014-05-20 5:48 ` Tony Lindgren
2014-05-20 21:10 ` Sebastian Reichel
2014-05-09 8:31 ` Tomi Valkeinen
2014-05-09 15:30 ` Tony Lindgren
2014-05-13 21:26 ` Tony Lindgren
2014-05-15 8:41 ` Tomi Valkeinen
2014-05-15 18:25 ` Tony Lindgren
2014-05-16 5:50 ` Tomi Valkeinen
2014-05-16 15:59 ` Tony Lindgren
2014-05-15 13:07 ` Tomi Valkeinen
2014-05-15 18:27 ` Tony Lindgren
2014-04-29 23:52 ` [PATCH 4/4] ARM: dts: Add LCD panel sharp ls037v7dw01 support for omap3-evm and ldp Tony Lindgren
2014-04-30 1:07 ` Joachim Eastwood
2014-04-30 17:47 ` Tony Lindgren
2014-05-05 18:39 ` Tony Lindgren
2014-05-08 23:36 ` Tony Lindgren
2014-05-09 7:07 ` Tomi Valkeinen
2014-05-09 15:37 ` Tony Lindgren
2014-05-13 21:32 ` Tony Lindgren
2014-05-15 8:57 ` Tomi Valkeinen
2014-05-21 12:44 ` Tomi Valkeinen
2014-05-21 14:50 ` Tony Lindgren
2014-05-27 20:59 ` Tony Lindgren
2014-05-27 21:14 ` Tony Lindgren
2014-05-28 6:31 ` Tomi Valkeinen
2014-05-28 6:34 ` Tomi Valkeinen
2014-05-05 18:41 ` [PATCH 0/4] OMAPDSS: Add support for panel ls037v7dw01 Tony Lindgren
2014-05-09 9:34 ` Tomi Valkeinen
2014-05-09 15:55 ` Tony Lindgren
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