From: Jai Luthra <jai.luthra@ideasonboard.com>
To: Tarang Raval <tarang.raval@siliconsignals.io>,
mehdi.djait@linux.intel.com, sakari.ailus@linux.intel.com
Cc: Tarang Raval <tarang.raval@siliconsignals.io>,
Himanshu Bhavani <himanshu.bhavani@siliconsignals.io>,
Elgin Perumbilly <elgin.perumbilly@siliconsignals.io>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>,
Hans Verkuil <hverkuil+cisco@kernel.org>,
linux-media@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 09/17] media: i2c: os05b10: update pixel rate on 10/12-bit mode switch
Date: Wed, 22 Jul 2026 11:47:49 +0530 [thread overview]
Message-ID: <178470106909.3005206.2322043808025262811@freya> (raw)
In-Reply-To: <20260718200912.16001-10-tarang.raval@siliconsignals.io>
Quoting Tarang Raval (2026-07-19 01:39:00)
> After adding 12-bit RAW support, the pixel rate depends on the selected
> mode bpp. Store the V4L2_CID_PIXEL_RATE control pointer and update its
> range/value when the mode changes so 10/12-bit switching reports the
> correct pixel rate.
>
Link frequency (output bus rate) and Pixel rate (sensor internal readout)
can often be independent of each other. It would be good to verify that in
the sensor documentation.
A quick test would be different bpp and the same HTS/VTS and frame size
registers if you get the same frame rate, it's likely that the sensor's
internal PIXEL_RATE doesn't change due to bpp.
> Signed-off-by: Tarang Raval <tarang.raval@siliconsignals.io>
Thanks,
Jai
next prev parent reply other threads:[~2026-07-22 6:18 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-18 20:08 [PATCH v3 00/17] media: i2c: os05b10: Refactor driver and Add new features Tarang Raval
2026-07-18 20:08 ` [PATCH v3 01/17] media: i2c: os05b10: Use pm_runtime_get_if_active() when applying controls Tarang Raval
2026-07-22 5:58 ` Jai Luthra
2026-07-24 6:47 ` Tarang Raval
2026-07-18 20:08 ` [PATCH v3 02/17] media: i2c: os05b10: drop unused group-hold programming Tarang Raval
2026-07-18 20:08 ` [PATCH v3 03/17] media: i2c: os05b10: add register definitions and use them in init table Tarang Raval
2026-07-21 17:25 ` Mehdi Djait
2026-07-24 13:09 ` Vladimir Zapolskiy
2026-07-18 20:08 ` [PATCH v3 04/17] media: i2c: os05b10: split common and mode-specific init registers Tarang Raval
2026-07-21 17:40 ` Mehdi Djait
2026-07-24 13:15 ` Vladimir Zapolskiy
2026-07-18 20:08 ` [PATCH v3 05/17] media: i2c: os05b10: add V4L2 digital gain control Tarang Raval
2026-07-24 13:19 ` Vladimir Zapolskiy
2026-07-24 14:15 ` Tarang Raval
2026-07-18 20:08 ` [PATCH v3 06/17] media: i2c: os05b10: Add H/V flip support Tarang Raval
2026-07-21 17:43 ` Mehdi Djait
2026-07-22 5:51 ` Jai Luthra
2026-07-24 7:01 ` Tarang Raval
2026-07-24 13:27 ` Vladimir Zapolskiy
2026-07-18 20:08 ` [PATCH v3 07/17] media: i2c: os05b10: Add test pattern options Tarang Raval
2026-07-21 17:50 ` Mehdi Djait
2026-07-24 13:43 ` Vladimir Zapolskiy
2026-07-18 20:08 ` [PATCH v3 08/17] media: i2c: os05b10: add 12-bit RAW mode support Tarang Raval
2026-07-24 14:08 ` Vladimir Zapolskiy
2026-07-24 14:30 ` Tarang Raval
2026-07-24 15:03 ` Vladimir Zapolskiy
2026-07-18 20:09 ` [PATCH v3 09/17] media: i2c: os05b10: update pixel rate on 10/12-bit mode switch Tarang Raval
2026-07-22 6:17 ` Jai Luthra [this message]
2026-07-22 6:19 ` Jai Luthra
2026-07-24 9:08 ` Tarang Raval
2026-07-25 7:26 ` Vladimir Zapolskiy
2026-07-18 20:09 ` [PATCH v3 10/17] media: i2c: os05b10: Add 1080p and 2x2 binning 720p modes Tarang Raval
2026-07-22 6:05 ` Jai Luthra
2026-07-24 6:44 ` Tarang Raval
2026-07-18 20:09 ` [PATCH v3 11/17] media: i2c: os05b10: keep vblank and exposure range in sync on mode switch Tarang Raval
2026-07-25 7:30 ` Vladimir Zapolskiy
2026-07-18 20:09 ` [PATCH v3 12/17] media: i2c: os05b10: Update active format before adjusting framing controls Tarang Raval
2026-07-25 7:32 ` Vladimir Zapolskiy
2026-07-18 20:09 ` [PATCH v3 13/17] media: i2c: os05b10: Rename vmax variable in VBLANK control Tarang Raval
2026-07-25 7:33 ` Vladimir Zapolskiy
2026-07-18 20:09 ` [PATCH v3 14/17] media: i2c: os05b10: add 2-lane support Tarang Raval
2026-07-25 7:38 ` Vladimir Zapolskiy
2026-07-18 20:09 ` [PATCH v3 15/17] media: i2c: os05b10: fix negative hblank calculation Tarang Raval
2026-07-22 6:14 ` Jai Luthra
2026-07-24 8:14 ` Tarang Raval
2026-07-18 20:09 ` [PATCH v3 16/17] media: i2c: os05b10: Enable runtime PM autosuspend Tarang Raval
2026-07-22 6:08 ` Jai Luthra
2026-07-24 7:02 ` Tarang Raval
2026-07-24 9:58 ` Jai Luthra
2026-07-18 20:09 ` [PATCH v3 17/17] media: i2c: os05b10: remove unused control fields, simplify error handling Tarang Raval
2026-07-25 11:33 ` Vladimir Zapolskiy
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