linux-kernel - [PATCH v2 0/5] drm/bridge: ps8640: Make sure all needed is powered to get the EDID

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Date:   Wed, 26 Aug 2020 10:15:21 +0200
From:   Enric Balletbo i Serra <enric.balletbo@...labora.com>
To:     linux-kernel@...r.kernel.org
Cc:     Collabora Kernel ML <kernel@...labora.com>, matthias.bgg@...il.com,
        drinkcat@...omium.org, hsinyi@...omium.org,
        laurent.pinchart@...asonboard.com, sam@...nborg.org,
        Andrzej Hajda <a.hajda@...sung.com>,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...ux.ie>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Jonas Karlman <jonas@...boo.se>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Neil Armstrong <narmstrong@...libre.com>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        dri-devel@...ts.freedesktop.org
Subject: [PATCH v2 0/5] drm/bridge: ps8640: Make sure all needed is powered to get the EDID

The first patch was initially part of the series [1] but for some reason
was not picked when the series were merged, so I included in this series
because it is needed to make the others to work properly.

The same happened for the second patch, was part of series [1] but not
merged.

The third patch and next are part of the original series and are to rework
the power handling to get the EDID. Basically, we need to make sure all the
needed is powered to be able to get the EDID. Before, we saw that getting
the EDID failed as explained in the third patch.

[1] https://lkml.org/lkml/2020/6/15/1208

Changes in v2:
- Included the patch `drm/bridge_connector: Set default status connected for eDP connectors`
- Included the patch `drm/bridge: ps8640: Get the EDID from eDP control`
- Use drm_bridge_chain_pre_enable/post_disable() helpers (Sam Ravnborg)

Enric Balletbo i Serra (5):
  drm/bridge_connector: Set default status connected for eDP connectors
  drm/bridge: ps8640: Get the EDID from eDP control
  drm/bridge: ps8640: Return an error for incorrect attach flags
  drm/bridge: ps8640: Print an error if VDO control fails
  drm/bridge: ps8640: Rework power state handling

 drivers/gpu/drm/bridge/parade-ps8640.c | 89 ++++++++++++++++++++++----
 drivers/gpu/drm/drm_bridge_connector.c |  1 +
 2 files changed, 79 insertions(+), 11 deletions(-)

-- 
2.28.0