[PATCH v4 0/15] drm/bridge: support chained bridges + panel updates

From: Sam Ravnborg <sam@ravnborg.org>
To: dri-devel@lists.freedesktop.org,
	Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Jernej Skrabec <jernej.skrabec@siol.net>,
	Peter Senna Tschudin <peter.senna@gmail.com>,
	Martyn Welch <martyn.welch@collabora.co.uk>,
	Jonas Karlman <jonas@kwiboo.se>,
	Neil Armstrong <narmstrong@baylibre.com>,
	Andrzej Hajda <a.hajda@samsung.com>,
	Thierry Reding <thierry.reding@gmail.com>,
	kbuild test robot <lkp@intel.com>,
	Sam Ravnborg <sam@ravnborg.org>,
	Martin Donnelly <martin.donnelly@ge.com>
Subject: [PATCH v4 0/15] drm/bridge: support chained bridges + panel updates
Date: Sun, 26 Jul 2020 22:33:09 +0200	[thread overview]
Message-ID: <20200726203324.3722593-1-sam@ravnborg.org> (raw)

The objective is that all bridge drivers shall support a chained setup
connector creation is moved to the display drivers.
This is just one step on this path.

The general approach for the bridge drivers:
- Introduce bridge operations
- Introduce use of panel bridge and make connector creation optional

v4:
  - Dropped patch for ti-sn65dsi86. Await full conversion.
  - Dropped patch for ti-tpd12s015. It was wrong (Laurent)
  - Drop boe,hv070wsa-100 patch, it was applied
  - Combined a few patches to fix connector created twice (Laurent)
  - Fix memory leak in get_edid in several drivers (Laurent)
  - Added patch to validate panel descriptions in panel-simple
  - Set bridge.type in relevant drivers

v3:
  - Rebase on top of drm-misc-next
  - Address kbuild test robot feedback

v2:
  - Updated bus_flags for boe,hv070wsa-100
  - Collected r-b, but did not apply patches yet
  - On the panel side the panel-simple driver gained a default
    connector type for all the dumb panels that do not
    include so in their description.
    With this change panels always provide a connector type,
    and we have the potential to drop most uses of
    devm_drm_panel_bridge_add_typed().
  - Added conversion of a few more bridge drivers

Patches can build but no run-time testing.
So both test and review feedback appreciated!

	Sam

Sam Ravnborg (15):
      drm/panel: panel-simple: validate panel description
      drm/panel: panel-simple: add default connector_type
      drm/bridge: tc358764: drop drm_connector_(un)register
      drm/bridge: tc358764: add drm_panel_bridge support
      drm/bridge: tc358767: add detect bridge operation
      drm/bridge: tc358767: add get_edid bridge operation
      drm/bridge: tc358767: add drm_panel_bridge support
      drm/bridge: parade-ps8622: add drm_panel_bridge support
      drm/bridge: megachips: add helper to create connector
      drm/bridge: megachips: get drm_device from bridge
      drm/bridge: megachips: enable detect bridge operation
      drm/bridge: megachips: add get_edid bridge operation
      drm/bridge: megachips: make connector creation optional
      drm/bridge: nxp-ptn3460: add get_edid bridge operation
      drm/bridge: nxp-ptn3460: add drm_panel_bridge support

 .../drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c   |  97 +++++++++-------
 drivers/gpu/drm/bridge/nxp-ptn3460.c               | 103 ++++++++---------
 drivers/gpu/drm/bridge/parade-ps8622.c             | 100 +++-------------
 drivers/gpu/drm/bridge/tc358764.c                  | 110 +++---------------
 drivers/gpu/drm/bridge/tc358767.c                  | 126 +++++++++++----------
 drivers/gpu/drm/panel/panel-simple.c               |  48 +++++++-
 6 files changed, 242 insertions(+), 342 deletions(-)

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