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From: Tomi Valkeinen <tomi.valkeinen@ti.com>
To: "Hiremath, Vaibhav" <hvaibhav@ti.com>
Cc: "K, Mythri P" <mythripk@ti.com>,
	Stephan Raue <mailinglists@openelec.tv>,
	"linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>
Subject: RE: [PATCH v5 00/10] OMAP4 : DSS2 : HDMI support on OMAP4
Date: Wed, 16 Mar 2011 12:15:14 +0530	[thread overview]
Message-ID: <1300257914.1917.25.camel@lappyti> (raw)
In-Reply-To: <19F8576C6E063C45BE387C64729E739404E1F530B8@dbde02.ent.ti.com>

On Mon, 2011-03-14 at 04:35 -0500, Hiremath, Vaibhav wrote:
> > -----Original Message-----
> > From: Valkeinen, Tomi
> > Sent: Monday, March 14, 2011 2:55 PM
> > To: Hiremath, Vaibhav
> > Cc: K, Mythri P; Stephan Raue; linux-omap@vger.kernel.org
> > Subject: RE: [PATCH v5 00/10] OMAP4 : DSS2 : HDMI support on OMAP4
 
<snip>

> > > Personally I don't know any platform is implementing this function OR
> > how one should make use of it. I remember last time we had similar
> > discussion and the comment came was, restore only required in case of off
> > mode. I feel, this is not applicable here, since irrespective of
> > retention/inactive/off mode if driver is disabling clock for the
> > peripheral we must restore the context.
> > 
> > I don't know about OMAP4, but on OMAP3 the register contents are only
> > lost when DSS goes to OFF mode. If you just turn off the clocks and OFF
> > mode is not enabled in the PM, context restore is not needed. I am not
> > sure of the current status of OFF mode in the mainline kernel.
> > 
> > However, for some reason DSS works fine on my Overo board. I would
> > imagine that it would break also if OFF is enabled for all omap
> > boards...
> > 
> > As for get_last_off_on_transaction_id(), it seems to be called
> > get_context_loss_count() in the mainline kernel and returns u32, not
> > int. I haven't tested it, but get_last_off_on_transaction_id pointer in
> > the dss platform data should be set to get_context_loss_count in the
> > board file (or in arch/arm/plat-omap/display.c if using the dss2 tree).
> > 
> [Hiremath, Vaibhav] Let me try this out.

Did you have time to test this?

 Tomi



  reply	other threads:[~2011-03-16  6:45 UTC|newest]

Thread overview: 73+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-03-10 10:44 [PATCH v5 00/10] OMAP4 : DSS2 : HDMI support on OMAP4 Mythri P K
2011-03-10 10:44 ` [PATCH v5 01/10] OMAP4 : DSS2 : Add display type HDMI to DSS2 Mythri P K
2011-03-10 10:44   ` [PATCH v5 02/10] OMAP4 : DSS2 : HDMI: Select between HDMI VENC clock source Mythri P K
2011-03-10 10:44     ` [PATCH v5 03/10] OMAP4 : DSS2 : HDMI: Dispc gamma enable set/reset function for TV Mythri P K
2011-03-10 10:44       ` [PATCH v5 04/10] OMAP4 : DSS2 : HDMI: HDMI driver header file addition Mythri P K
2011-03-10 10:44         ` [PATCH v5 05/10] OMAP4 : DSS2 : HDMI: HDMI driver addition in the DSS Mythri P K
2011-03-10 10:44           ` [PATCH v5 06/10] OMAP4 : DSS2 : HDMI: HDMI panel " Mythri P K
2011-03-10 10:44             ` [PATCH v5 07/10] OMAP4 : DSS2 : HDMI: Add makefile and kconfig changes to enable HDMI in OMAP4 Mythri P K
2011-03-10 10:44               ` [PATCH v5 08/10] OMAP4 : DSS : HDMI: Call to HDMI module init to register driver Mythri P K
2011-03-10 10:44                 ` [PATCH v5 09/10] OMAP4 : HDMI : Add HDMI structure in the board file for OMAP4 SDP Mythri P K
2011-03-10 10:44                   ` [PATCH v5 10/10] OMAP4 : HDMI : Add HDMI structure in the board file for OMAP4 PANDA Mythri P K
2011-03-15  4:23                     ` Tomi Valkeinen
2011-03-15 14:47                       ` John S
2011-03-10 14:04                 ` [PATCH v5 08/10] OMAP4 : DSS : HDMI: Call to HDMI module init to register driver Tomi Valkeinen
2011-03-10 13:59               ` [PATCH v5 07/10] OMAP4 : DSS2 : HDMI: Add makefile and kconfig changes to enable HDMI in OMAP4 Tomi Valkeinen
2011-03-10 13:58           ` [PATCH v5 05/10] OMAP4 : DSS2 : HDMI: HDMI driver addition in the DSS Tomi Valkeinen
2011-03-10 13:52       ` [PATCH v5 03/10] OMAP4 : DSS2 : HDMI: Dispc gamma enable set/reset function for TV Tomi Valkeinen
2011-05-05 13:50       ` Laurent Pinchart
2011-03-10 13:49     ` [PATCH v5 02/10] OMAP4 : DSS2 : HDMI: Select between HDMI VENC clock source Tomi Valkeinen
2011-03-10 13:48   ` [PATCH v5 01/10] OMAP4 : DSS2 : Add display type HDMI to DSS2 Tomi Valkeinen
2011-03-10 16:53     ` Aaro Koskinen
2011-03-10 13:44 ` [PATCH v5 00/10] OMAP4 : DSS2 : HDMI support on OMAP4 Tomi Valkeinen
2011-03-10 14:45   ` Stephan Raue
2011-03-10 14:51     ` Tomi Valkeinen
2011-03-11  0:07       ` Stephan Raue
2011-03-11  6:16         ` K, Mythri P
2011-03-11  7:24           ` Tomi Valkeinen
2011-03-11 13:23             ` Hiremath, Vaibhav
2011-03-14  8:35               ` Hiremath, Vaibhav
2011-03-14  9:24                 ` Tomi Valkeinen
2011-03-14  9:35                   ` Hiremath, Vaibhav
2011-03-16  6:45                     ` Tomi Valkeinen [this message]
2011-03-16  6:47                       ` Hiremath, Vaibhav
2011-03-11  7:12     ` Tomi Valkeinen
2011-03-11  8:43       ` Stephan Raue
2011-03-11 13:22         ` Tomi Valkeinen
2011-03-11 16:18           ` Stephan Raue
2011-03-11 18:27             ` Tomi Valkeinen
2011-03-11 18:42               ` Stephan Raue
2011-03-12  6:51                 ` K, Mythri P
2011-03-13 14:32                   ` Stephan Raue
2011-03-13 16:20                     ` Stephan Raue
2011-03-16  6:51                       ` Tomi Valkeinen
2011-03-16 10:53                         ` K, Mythri P
2011-03-16 10:59                           ` Tomi Valkeinen
2011-03-16 23:49                           ` Stephan Raue
2011-03-17 11:11                             ` Tomi Valkeinen
2011-03-17 16:20                               ` Janorkar, Mayuresh
2011-03-17 20:16                                 ` Stephan Raue
2011-03-17 21:13                                   ` Stephan Raue
2011-03-17 21:34                                     ` Stephan Raue
2011-03-18  3:45                                     ` Tomi Valkeinen
2011-03-18  5:43                             ` Anand Gadiyar
2011-03-18  5:43                             ` Anand Gadiyar
2011-03-18  6:17                               ` Gadiyar, Anand
2011-03-18  5:52                             ` Anand Gadiyar
2011-03-18  5:52                             ` Anand Gadiyar
2011-03-18  5:52                             ` Anand Gadiyar
2011-03-18  5:52                             ` Anand Gadiyar
2011-03-18  5:52                             ` Anand Gadiyar
2011-03-18  5:52                             ` Anand Gadiyar
2011-03-18  5:52                             ` Anand Gadiyar
2011-03-18  5:52                             ` Anand Gadiyar
2011-03-18  5:52                             ` Anand Gadiyar
2011-03-18  5:52                             ` Anand Gadiyar
2011-03-18  5:52                             ` Anand Gadiyar
2011-03-18  5:52                             ` Anand Gadiyar
2011-03-14 10:37   ` Jan, Sebastien
2011-03-15  4:06     ` Tomi Valkeinen
2011-03-15  4:38       ` K, Mythri P
2011-03-10 15:06 ` Tomi Valkeinen
2011-03-11  8:24   ` K, Mythri P
2011-03-16  8:32     ` Tomi Valkeinen

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