From: Heiko Stuebner <heiko@sntech.de>
To: Damian Kos <dkos@cadence.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
devicetree@vger.kernel.org,
Quentin Schulz <quentin.schulz@bootlin.com>,
jartur@cadence.com, linux-rockchip@lists.infradead.org,
David Airlie <airlied@linux.ie>,
dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
pgaj@cadence.com, Rob Herring <robh+dt@kernel.org>,
stelford@cadence.com,
Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
ltyrala@cadence.com, Sean Paul <sean@poorly.run>,
linux-arm-kernel@lists.infradead.org, piotrs@cadence.com
Subject: Re: [PATCH v3 0/5] drm: add support for Cadence MHDP DPI/DP bridge.
Date: Thu, 13 Sep 2018 14:31:45 +0200 [thread overview]
Message-ID: <11916444.D1tlAhbW8U@phil> (raw)
In-Reply-To: <1535451894-2518-1-git-send-email-dkos@cadence.com>
Am Dienstag, 28. August 2018, 12:24:43 CEST schrieb Damian Kos:
> Hello!
>
> This is the series of patches that will add support for the Cadence's DPI/DP
> bridge. Please note that this is a preliminary version of the driver and there
> will be more patches in the future with updates, fixes and improvements.
> Please keep that in mind when looking at FIXME/TODO/XXX comments.
>
> Initially, MHDP driver was developed as a DRM bridge driver and was planed to
> be placed in drivers/gpu/drm/bridge/mhdp.c. However, there was already
> a driver for Cadence's DP controller developed by RockChip, but that driver
> uses the different DRM framework and looks like a part of a bigger system.
> Both controllers (including firmware) are quite different internally
> (MST/FEC/DSC support, link training done by driver, additional commands, IRQ's
> etc.) but they have similar register map, except for Framer/Streamer (which is
> noticeably different), so they appear similar.
>
> The following patches contain:
> - Moving common code to drivers/gpu/drm/bridge/cdns-mhdp-common.* and
> modifying it a bit (mostly new prefixes for functions and data types) so it
> can be used by two, higher level, drivers.
> - Modifying existing RockChip's DP driver to use the common code after changes
> made to it (use the new cdns_mhdp_device structure and new function names).
> - Modifying DRM helpers a bit. Some are required for new driver, some are
> updates from DP 1.2 to 1.3 or 1.4.
> - Adding documentation for device tree bindings.
> - Adding preliminary Cadence DPI/DP bridge driver.
>
> Some of the things that will be added later on include (but are not limited
> to):
> - Support for Cadence SD0801 PHY (PHY's driver should be on the way by now)
> - MST support
> - DSC support
> - FEC support
> - HDCP support
with te Kconfig issue in patch5 fixed, this series tested on
rk3288 (analogix-dp) and rk3399 (analogix-dp + cadence-dp)
Everything seems to work that worked before.
Tested-by: Heiko Stuebner <heiko@sntech.de>
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next prev parent reply other threads:[~2018-09-13 12:31 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-28 10:24 [PATCH v3 0/5] drm: add support for Cadence MHDP DPI/DP bridge Damian Kos
2018-08-28 10:24 ` [PATCH v3 1/5] drm/rockchip: prepare common code for cdns and rk dpi/dp driver Damian Kos
2018-09-13 10:00 ` Andrzej Hajda
[not found] ` <20180913100100eucas1p23e7e33035b6cba51d6219a58b34eea92~T7VgDpN8L3204732047eucas1p2_-PmokGAFL9ItqW5MlFJXMulaTQe2KTcn/@public.gmane.org>
2018-09-13 10:15 ` Damian Kos
2018-08-28 10:24 ` [PATCH v3 2/5] drm/dp: fix link probing for devices supporting DP 1.4+ Damian Kos
2018-09-13 11:08 ` Andrzej Hajda
2018-08-28 10:24 ` [PATCH v3 3/5] drm/dp: make dp_link_status and dp_get_lane_status usable from outside of the core Damian Kos
2018-09-13 11:20 ` Andrzej Hajda
2018-08-28 10:24 ` [PATCH v3 4/5] dt-bindings: drm/bridge Document Cadence MHDP DPI/DP bridge bindings Damian Kos
2018-08-29 0:28 ` Rob Herring
2018-09-13 11:23 ` Andrzej Hajda
2018-08-28 10:24 ` [PATCH v3 5/5] drm/bridge: add preliminary driver for cadence dpi/dp bridge Damian Kos
2018-09-13 12:30 ` Heiko Stuebner
2018-09-13 12:31 ` Heiko Stuebner [this message]
2018-09-18 13:18 ` [PATCH v3 0/5] drm: add support for Cadence MHDP DPI/DP bridge Damian Kos
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