linux-kernel - [PATCH 0/2] media: ti,cadence: Fixes for CSI2RX

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Date: Fri, 23 Feb 2024 13:53:00 +0530
From: Jai Luthra <j-luthra@...com>
To: Maxime Ripard <mripard@...nel.org>,
        Mauro Carvalho Chehab
	<mchehab@...nel.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Jack Zhu
	<jack.zhu@...rfivetech.com>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Vaishnav Achath <vaishnav.a@...com>,
        Tomi Valkeinen
	<tomi.valkeinen@...asonboard.com>
CC: <linux-media@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        "Julien
 Massot" <julien.massot@...labora.com>,
        Changhuang Liang
	<Changhuang.liang@...rfivetech.com>,
        Jai Luthra <j-luthra@...com>, "Pratyush
 Yadav" <p.yadav@...com>
Subject: [PATCH 0/2] media: ti,cadence: Fixes for CSI2RX

This series fixes two bugs:
1. When Cadence CSI2RX is used with an external DPHY controller, fix the
   programming sequence to configure the DPHY controller before starting
   streaming on the source
2. Fix a possible race condition in TI CSI2RX Shim driver when
   restarting DMA after stalling due to lack of buffers

These fixes were originally posted in the multi-stream RFC series [1],
but as these are unrelated and urgent, posting them separately now so
they can get picked independently.

Test logs with SK-AM62A + OV5640 https://0x0.st/H5pN.txt

[1]: https://lore.kernel.org/all/20240222-multistream-v1-0-1837ed916eeb@ti.com/

Signed-off-by: Jai Luthra <j-luthra@...com>
---
Jai Luthra (1):
      media: ti: j721e-csi2rx: Fix races while restarting DMA

Pratyush Yadav (1):
      media: cadence: csi2rx: configure DPHY before starting source stream

 drivers/media/platform/cadence/cdns-csi2rx.c       | 26 ++++++++++++----------
 .../media/platform/ti/j721e-csi2rx/j721e-csi2rx.c  |  5 ++---
 2 files changed, 16 insertions(+), 15 deletions(-)
---
base-commit: 33e1d31873f87d119e5120b88cd350efa68ef276
change-id: 20240223-csi_fixes-71ddf5181df8

Best regards,
-- 
Jai Luthra <j-luthra@...com>