linux-kernel - [PATCH v2 0/3] Add bus format negotiation support for Cadence MHDP8546 driver

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Message-ID: <1605708208-3692-1-git-send-email-yamonkar@cadence.com>
Date:   Wed, 18 Nov 2020 15:03:25 +0100
From:   Yuti Amonkar <yamonkar@...ence.com>
To:     <linux-kernel@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
        <maxime@...no.tech>, <airlied@...ux.ie>, <daniel@...ll.ch>,
        <mark.rutland@....com>, <a.hajda@...sung.com>,
        <narmstrong@...libre.com>, <Laurent.pinchart@...asonboard.com>,
        <jonas@...boo.se>, <jernej.skrabec@...l.net>
CC:     <nsekhar@...com>, <jsarha@...com>, <tomi.valkeinen@...com>,
        <nikhil.nd@...com>, <mparab@...ence.com>, <sjakhade@...ence.com>,
        <yamonkar@...ence.com>
Subject: [PATCH v2 0/3]  Add bus format negotiation support for Cadence MHDP8546 driver

This patch series add bus format negotiation support for Cadence MHDP8546 bridge driver.

The patch series has four patches in the below sequence:
1. drm: bridge: cdns-mhdp8546: Modify atomic_get_input_bus_format bridge function.
   Return all the input formats supported.
2. drm: bridge: cdns-mhdp8546: Remove setting of bus format using connector info 
   Remove the bus format configuration using connector info structure.
3. drm: bridge: cdns-mhdp8546: Retrieve the pixel format and bpc based on bus format 
   Get the pixel format and bpc based on negotiated output bus format.

This patch series is dependent on tidss series [1] for the new connector model support.

[1]

https://patchwork.kernel.org/project/dri-devel/cover/20201109170601.21557-1-nikhil.nd@ti.com/

Version History:

v2:
 - Remove the Add output bus format negotiation patch from the series, 
   as we use ouput format as MEDIA_BUS_FMT_FIXED and that is  the 
   default value if atomic_get_output_bus_fmts function is not implemented.
 - Return NULL if output format is not MEDIA_BUS_FMT_FIXED.
 - Return the supported color formats based on the display info structure.


Yuti Amonkar (3):
  drm: bridge: cdns-mhdp8546: Modify atomic_get_input_bus_format bridge
    function
  drm: bridge: cdns-mhdp8546: Remove setting of bus format using
    connector info
  drm: bridge: cdns-mhdp8546: Retrieve the pixel format and bpc based on
    bus format

 .../drm/bridge/cadence/cdns-mhdp8546-core.c   | 133 +++++++++++++-----
 1 file changed, 99 insertions(+), 34 deletions(-)

-- 
2.17.1