From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: "Niklas Söderlund" <niklas.soderlund@ragnatech.se>
Cc: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>,
linux-media@vger.kernel.org, linux-renesas-soc@vger.kernel.org,
Kieran Bingham <kieran+renesas@ksquared.org.uk>
Subject: Re: [PATCH 11/13] v4l: vsp1: Determine partition requirements for scaled images
Date: Wed, 14 Sep 2016 23:00:33 +0300 [thread overview]
Message-ID: <1554377.UPrL1uhbCT@avalon> (raw)
In-Reply-To: <20160914192733.GL739@bigcity.dyn.berto.se>
Hi Niklas,
On Wednesday 14 Sep 2016 21:27:33 Niklas Söderlund wrote:
> On 2016-09-14 02:17:04 +0300, Laurent Pinchart wrote:
> > From: Kieran Bingham <kieran+renesas@bingham.xyz>
> >
> > The partition algorithm needs to determine the capabilities of each
> > entity in the pipeline to identify the correct maximum partition width.
> >
> > Extend the vsp1 entity operations to provide a max_width operation and
> > use this call to calculate the number of partitions that will be
> > processed by the algorithm.
> >
> > Gen 2 hardware does not require multiple partitioning, and as such
> > will always return a single partition.
> >
> > Signed-off-by: Kieran Bingham <kieran+renesas@bingham.xyz>
> > Signed-off-by: Laurent Pinchart
> > <laurent.pinchart+renesas@ideasonboard.com>
>
> I can't find the information about the partition limitations for SRU or
> UDS in any of the documents I have.
That's because it's not documented in the datasheet :-(
> But for the parts not relating to the logic of figuring out the hscale from
> the input/output formats width:
>
> Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Thanks.
--
Regards,
Laurent Pinchart
next prev parent reply other threads:[~2016-09-14 20:00 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-13 23:16 [PATCH 00/13] Renesas R-Car VSP: Scaling and rotation support on Gen3 Laurent Pinchart
2016-09-13 23:16 ` Laurent Pinchart
2016-09-13 23:16 ` [PATCH 01/13] v4l: vsp1: Prevent pipelines from running when not streaming Laurent Pinchart
2016-09-13 23:16 ` Laurent Pinchart
2016-09-13 23:16 ` [PATCH 02/13] v4l: vsp1: Protect against race conditions between get and set format Laurent Pinchart
2016-09-13 23:16 ` Laurent Pinchart
2016-09-14 18:23 ` Niklas Söderlund
2016-09-14 18:23 ` Niklas Söderlund
2016-09-14 19:32 ` Niklas Söderlund
2016-09-14 19:32 ` Niklas Söderlund
2016-09-14 19:50 ` Laurent Pinchart
2016-09-13 23:16 ` [PATCH 03/13] v4l: vsp1: Ensure pipeline locking in resume path Laurent Pinchart
2016-09-13 23:16 ` Laurent Pinchart
2016-09-14 18:28 ` Niklas Söderlund
2016-09-14 18:28 ` Niklas Söderlund
2016-09-13 23:16 ` [PATCH 04/13] v4l: vsp1: Repair race between frame end and qbuf handler Laurent Pinchart
2016-09-13 23:16 ` Laurent Pinchart
2016-09-14 8:01 ` Kieran Bingham
2016-09-14 8:01 ` Kieran Bingham
2016-09-13 23:16 ` [PATCH 05/13] v4l: vsp1: Use DFE instead of FRE for frame end Laurent Pinchart
2016-09-13 23:16 ` Laurent Pinchart
2016-09-14 18:39 ` Niklas Söderlund
2016-09-14 18:39 ` Niklas Söderlund
2016-09-13 23:16 ` [PATCH 06/13] v4l: vsp1: Disable cropping on WPF sink pad Laurent Pinchart
2016-09-13 23:16 ` Laurent Pinchart
2016-09-14 18:54 ` Niklas Söderlund
2016-09-14 18:54 ` Niklas Söderlund
2016-09-19 17:55 ` Mauro Carvalho Chehab
2016-09-19 17:59 ` Laurent Pinchart
2016-09-19 18:26 ` Mauro Carvalho Chehab
2016-09-19 18:33 ` Laurent Pinchart
2016-09-19 19:02 ` Mauro Carvalho Chehab
2016-09-13 23:17 ` [PATCH 07/13] v4l: vsp1: Fix RPF cropping Laurent Pinchart
2016-09-13 23:17 ` Laurent Pinchart
2016-09-13 23:17 ` [PATCH 08/13] v4l: vsp1: Pass parameter type to entity configuration operation Laurent Pinchart
2016-09-13 23:17 ` Laurent Pinchart
2016-09-14 19:02 ` Niklas Söderlund
2016-09-14 19:02 ` Niklas Söderlund
2016-09-13 23:17 ` [PATCH 09/13] v4l: vsp1: Replace .set_memory() with VSP1_ENTITY_PARAMS_PARTITION Laurent Pinchart
2016-09-13 23:17 ` Laurent Pinchart
2016-09-13 23:17 ` [PATCH 10/13] v4l: vsp1: Support chained display lists Laurent Pinchart
2016-09-13 23:17 ` Laurent Pinchart
2016-09-13 23:17 ` [PATCH 11/13] v4l: vsp1: Determine partition requirements for scaled images Laurent Pinchart
2016-09-13 23:17 ` Laurent Pinchart
2016-09-14 19:27 ` Niklas Söderlund
2016-09-14 19:27 ` Niklas Söderlund
2016-09-14 20:00 ` Laurent Pinchart [this message]
2016-09-15 13:19 ` Niklas Söderlund
2016-09-15 13:19 ` Niklas Söderlund
2016-09-13 23:17 ` [PATCH 12/13] v4l: vsp1: Support multiple partitions per frame Laurent Pinchart
2016-09-13 23:17 ` Laurent Pinchart
2016-09-13 23:17 ` [PATCH 13/13] v4l: vsp1: wpf: Implement rotation support Laurent Pinchart
2016-09-13 23:17 ` Laurent Pinchart
2016-09-13 23:29 ` [PATCH 14/13] v4l: vsp1: Fix spinlock in mixed IRQ context function Laurent Pinchart
2016-09-13 23:29 ` Laurent Pinchart
2016-09-14 19:30 ` Niklas Söderlund
2016-09-14 19:30 ` Niklas Söderlund
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