From: Tomi Valkeinen <tomi.valkeinen@ti.com>
To: Archit Taneja <archit@ti.com>
Cc: "Hiremath, Vaibhav" <hvaibhav@ti.com>,
"linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>,
"Semwal, Sumit" <sumit.semwal@ti.com>,
"linux-media@vger.kernel.org" <linux-media@vger.kernel.org>
Subject: Re: [PATCH v3 4/4] OMAP_VOUT: Don't trigger updates in omap_vout_probe
Date: Tue, 27 Sep 2011 10:07:41 +0300 [thread overview]
Message-ID: <1317107261.1991.18.camel@deskari> (raw)
In-Reply-To: <4E81750F.7060200@ti.com>
On Tue, 2011-09-27 at 12:32 +0530, Archit Taneja wrote:
> On Tuesday 27 September 2011 11:40 AM, Valkeinen, Tomi wrote:
> > On Mon, 2011-09-26 at 17:29 +0530, Archit Taneja wrote:
> >> Remove the code in omap_vout_probe() which calls display->driver->update() for
> >> all the displays. This isn't correct because:
> >>
> >> - An update in probe doesn't make sense, because we don't have any valid content
> >> to show at this time.
> >> - Calling update for a panel which isn't enabled is not supported by DSS2. This
> >> leads to a crash at probe.
> >
> > Calling update() on a disabled panel should not crash... Where is the
> > crash coming from?
>
> you are right, the crash isn't coming from the updates. I see the crash
> when we have 4 dss devices in our board file. The last display pointer
> is corrupted in that case. I'm trying to figure out why.
Could be totally unrelated, but does the V4L2 driver make sure that the
used dss devices have a driver loaded?
OMAPFB previously refused to start if all the devices do not have a
driver, but nowadays it starts fine by skipping the devices without a
driver.
Tomi
next prev parent reply other threads:[~2011-09-27 7:07 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-26 11:59 [PATCH v3 0/4] OMAP_VOUT: Misc fixes and cleanup patches for 3.2 Archit Taneja
2011-09-26 11:59 ` [PATCH v3 1/4] OMAP_VOUT: Fix check in reqbuf for buf_size allocation Archit Taneja
2011-09-27 7:19 ` Hiremath, Vaibhav
2011-09-27 7:23 ` Archit Taneja
2011-09-26 11:59 ` [PATCH v3 2/4] OMAP_VOUT: CLEANUP: Remove redundant code from omap_vout_isr Archit Taneja
2011-09-26 11:59 ` [PATCH v3 3/4] OMAP_VOUT: Add support for DSI panels Archit Taneja
2011-09-26 11:59 ` [PATCH v3 4/4] OMAP_VOUT: Don't trigger updates in omap_vout_probe Archit Taneja
2011-09-27 6:10 ` Tomi Valkeinen
2011-09-27 7:02 ` Archit Taneja
2011-09-27 7:07 ` Tomi Valkeinen [this message]
2011-09-27 7:15 ` Archit Taneja
2011-09-27 6:26 ` Hiremath, Vaibhav
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