From: "Robert Chiras (OSS)" <robert.chiras@oss.nxp.com>
To: "Rob Herring" <robh+dt@kernel.org>,
"Andrzej Hajda" <a.hajda@samsung.com>,
"Neil Armstrong" <narmstrong@baylibre.com>,
"Laurent Pinchart" <Laurent.pinchart@ideasonboard.com>,
"Jonas Karlman" <jonas@kwiboo.se>,
"Jernej Skrabec" <jernej.skrabec@siol.net>,
"Sam Ravnborg" <sam@ravnborg.org>,
"Guido Günther" <agx@sigxcpu.org>,
"Fabio Estevam" <festevam@gmail.com>,
"Ondrej Jirman" <megous@megous.com>
Cc: David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-imx@nxp.com
Subject: [PATCH 0/5] Add new features to nwl-dsi driver
Date: Fri, 28 Aug 2020 14:13:27 +0300 [thread overview]
Message-ID: <1598613212-1113-1-git-send-email-robert.chiras@oss.nxp.com> (raw)
From: Robert Chiras <robert.chiras@nxp.com>
This patch-set adds the new following features to the nwl-dsi bridge driver:
1. Control Video PLL from nwl-dsi driver
Add support for the Video PLL into the nwl-dsi driver, in order
to better control it's rate, depending on the requested video mode.
Controlling the Video PLL from nwl-dsi is usefull, since it both drives the DC
pixel-clock and DPHY phy_ref clock.
On i.MX8MQ, the DC can be either DCSS or LCDIF.
2. Add new property to nwl-dsi: clock-drop-level
This new property is usefull in order to use DSI panels with the nwl-dsi
driver which require a higher overhead to the pixel-clock.
For example, the Raydium RM67191 DSI Panel works with 132M pixel-clock,
but it needs an overhead in order to work properly. So, the actual pixel-clock
fed into the DSI DPI interface needs to be lower than the one used ad DSI output.
This new property addresses this matter.
3. Add support to handle both inputs for nwl-dsi: DCSS and LCDIF
Laurentiu Palcu (1):
drm/bridge: nwl-dsi: add support for DCSS
Robert Chiras (4):
drm/bridge: nwl-dsi: Add support for video_pll
dt-bindings: display/bridge: nwl-dsi: Document video_pll clock
drm/bridge: nwl-dsi: Add support for clock-drop-level
dt-bindings: display/bridge: nwl-dsi: Document fsl,clock-drop-level
property
.../bindings/display/bridge/nwl-dsi.yaml | 7 +
drivers/gpu/drm/bridge/nwl-dsi.c | 338 ++++++++++++++++++++-
2 files changed, 336 insertions(+), 9 deletions(-)
--
2.7.4
next reply other threads:[~2020-08-28 11:32 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-28 11:13 Robert Chiras (OSS) [this message]
2020-08-28 11:13 ` [PATCH 1/5] drm/bridge: nwl-dsi: Add support for video_pll Robert Chiras (OSS)
2020-09-04 17:04 ` Guido Günther
2020-08-28 11:13 ` [PATCH 2/5] dt-bindings: display/bridge: nwl-dsi: Document video_pll clock Robert Chiras (OSS)
2020-08-28 21:40 ` Rob Herring
2020-08-28 11:13 ` [PATCH 3/5] drm/bridge: nwl-dsi: Add support for clock-drop-level Robert Chiras (OSS)
2020-09-06 10:28 ` Guido Günther
2020-08-28 11:13 ` [PATCH 4/5] dt-bindings: display/bridge: nwl-dsi: Document fsl,clock-drop-level property Robert Chiras (OSS)
2020-09-04 17:05 ` Guido Günther
2020-09-05 16:07 ` Laurent Pinchart
2020-09-09 20:43 ` Rob Herring
2020-08-28 11:13 ` [PATCH 5/5] drm/bridge: nwl-dsi: add support for DCSS Robert Chiras (OSS)
2020-09-04 17:05 ` Guido Günther
2020-09-04 17:08 ` [PATCH 0/5] Add new features to nwl-dsi driver Guido Günther
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