linux-kernel - [PATCH 0/3] drm: tinydrm driver for adafruit PiTFT 3.5" touchscreen

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20181024184313.2967-1-eric@anholt.net>
Date:   Wed, 24 Oct 2018 11:43:10 -0700
From:   Eric Anholt <eric@...olt.net>
To:     dri-devel@...ts.freedesktop.org,
        Noralf Trønnes <noralf@...nnes.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>, devicetree@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Heiner Kallweit <hkallweit1@...il.com>,
        Eric Anholt <eric@...olt.net>
Subject: [PATCH 0/3] drm: tinydrm driver for adafruit PiTFT 3.5" touchscreen

I was going to start working on making the vc4 driver work with
tinydrm panels, but it turned out tinydrm didn't have the panel I had
previously bought.  So, last night I ported the fbtft staging
driver over to DRM.

It seems to work (with DT at
https://github.com/anholt/linux/commits/drm-misc-next-hx8357d) --
fbdev works great including rotated, and so does modetest.  However,
when X11 comes up at 16bpp, I get:

https://photos.app.goo.gl/8tuhzPFFoDGamEfk8

If I have tinydrm set a preferred bpp of 24, X looks great.  Noralf,
any ideas?

Eric Anholt (3):
  dt-bindings: new binding for Himax HX8357D display panels
  drm: Add an hx8367d tinydrm driver.
  drm/tinydrm: Fix setting of the column/page end addresses.

 .../bindings/display/himax,hx8357d.txt        |  25 ++
 drivers/gpu/drm/tinydrm/Kconfig               |  11 +
 drivers/gpu/drm/tinydrm/Makefile              |   1 +
 drivers/gpu/drm/tinydrm/hx8357d.c             | 262 ++++++++++++++++++
 drivers/gpu/drm/tinydrm/hx8357d.h             |  71 +++++
 drivers/gpu/drm/tinydrm/mipi-dbi.c            |   4 +-
 6 files changed, 372 insertions(+), 2 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/display/himax,hx8357d.txt
 create mode 100644 drivers/gpu/drm/tinydrm/hx8357d.c
 create mode 100644 drivers/gpu/drm/tinydrm/hx8357d.h

-- 
2.19.1