linux-kernel - [PATCH v2 0/2] drm: bridge: adv7511: CEC support for ADV7535

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Message-Id: <20220423120854.1503163-1-alvin@pqrs.dk>
Date:   Sat, 23 Apr 2022 14:08:51 +0200
From:   Alvin Šipraga <alvin@...s.dk>
To:     Andrzej Hajda <andrzej.hajda@...el.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Robert Foss <robert.foss@...aro.org>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>
Cc:     Alvin Šipraga <alsi@...g-olufsen.dk>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 0/2] drm: bridge: adv7511: CEC support for ADV7535

From: Alvin Šipraga <alsi@...g-olufsen.dk>

Changes:

v1->v2:
  - add Robert's r-b
  - fix up 'case XXX...YYY+14' statements to read nicer in the 2nd patch


We have an ADV7535 which is nominally supported by this driver. These
two patches fix up the driver to get CEC working too.

The first adds the basic support by correcting some register offsets.

The second addresses an issue we saw with CEC RX on the ADV7535. It
hasn't been tested with the other chips (e.g. ADV7533), although it
should be compatible. I'm sending it against drm-misc-next because the
issue wasn't reported for other chips, and ADV7535 didn't have CEC
support before. But feel free to take it into -fixes instead.


Alvin Šipraga (2):
  drm: bridge: adv7511: enable CEC support for ADV7535
  drm: bridge: adv7511: use non-legacy mode for CEC RX

 drivers/gpu/drm/bridge/adv7511/adv7511.h     |  27 ++++-
 drivers/gpu/drm/bridge/adv7511/adv7511_cec.c | 116 +++++++++++++------
 drivers/gpu/drm/bridge/adv7511/adv7511_drv.c |  19 ++-
 3 files changed, 116 insertions(+), 46 deletions(-)

-- 
2.35.1