[U-Boot] [PATCH 0/25] tegra: Add eDP support for nyan-big

Simon Glass sjg at chromium.org
Fri Jan 30 14:27:33 CET 2015


Hi Tom / Jimmy,

On 20 January 2015 at 09:35, Tom Warren <TWarren at nvidia.com> wrote:
> I'm no display expert, so I'd like to have Jimmy take a look - he did the Nyan display support, and is going to be doing HDMI on another SoC, IIRC.  Added him to CC.
>

Any news on this please?

- Simon

>> -----Original Message-----
>> From: sjg at google.com [mailto:sjg at google.com] On Behalf Of Simon Glass
>> Sent: Tuesday, January 20, 2015 8:59 AM
>> To: U-Boot Mailing List
>> Cc: Tom Warren; Stephen Warren; Simon Glass; Stephen Warren; Marek
>> Vasut; Pavel Herrmann; Lukasz Majewski; Jerry Van Baren; Anatolij Gustschin
>> Subject: Re: [PATCH 0/25] tegra: Add eDP support for nyan-big
>>
>> Hi Tom,
>>
>> On 1 December 2014 at 17:48, Simon Glass <sjg at chromium.org> wrote:
>> >
>> > This series adds eDP support for nyan-bg so that the display works.
>> >
>> > Nyan-big is based on tegra124.
>> >
>> > Some support is added for new clocks to make this work. The
>> > drm_dp_helper.h file is brought in from Linux since many of the
>> > DisplayPort constants are generic. A very simple uclass is added for
>> > DisplayPort, and the Tegra driver makes use of that. The U-Boot EDID
>> > support is enhanced to read some additional information (detailed
>> timings).
>> >
>> > There is existing video support for Tegra20, but I don't think it
>> > works for
>> > Tegra30/114 (is this correct?). This series relies on detecting the
>> > display at run-time as I cannot find a good device tree binding for
>> > things like display depth. But if we could resolve that then it might
>> > be possible to move Tegra20 over to use the same driver, etc. There is
>> > clearly a lot in common with the display controllers - I have
>> > exploited this with the header file but not with the C file.
>> >
>> > HDMI is not supported at present. If this is easy and there is an
>> > existing driver to follow along with then I might be able to incorporate it
>> later.
>> >
>> > This series is available at u-boot-dm/nyan-working
>>
>> Does this series look OK?
>>
>> >
>> >
>> > Simon Glass (25):
>> >   dm: tegra: config: Increase pre-reloc malloc() to 6KB
>> >   fdt: Add binding decode function for display-timings
>> >   tegra: Move the pww into tegra-common
>> >   tegra: pwm: Allow the clock rate to be left as is
>> >   tegra: Move checkboard() into the board code
>> >   tegra: Add a board ID function
>> >   power: Export register access functions from as3722
>> >   tegra: Provide a function to allow LCD PMIC setup
>> >   tegra: Add support for setting up a as3722 PMIC
>> >   tegra: nyan-big: Add LCD PMIC init and board ID
>> >   tegra124: dts: Add host1x node to provide display information
>> >   tegra: config: Use CONFIG_LCD to detect LCD presence
>> >   tegra: clock: Add checking for invalid clock IDs
>> >   tegra: clock: Split the clock source code into a separate function
>> >   tegra124: clock: Add display clocks and functions
>> >   tegra: Move display controller header into common
>> >   video: Add drm_dp_helper.h
>> >   edid: Add a function to read detailed monitor timings
>> >   dm: video: Add a uclass for display port
>> >   tegra: dts: nyan-big: Add definitions for eDP display
>> >   tegra: video: Support serial output resource (SOR) on tegra124
>> >   tegra: video: Add Embedded DisplayPort driver
>> >   tegra: video: support eDP displays on Tegra124 devices
>> >   tegra: config: nyan-big: Enable LCD
>> >   tegra124: video: Add full link training for eDP
>> >
>> >  arch/arm/cpu/armv7/tegra-common/Makefile           |    1 +
>> >  arch/arm/cpu/armv7/{tegra20 => tegra-common}/pwm.c |    5 +-
>> >  arch/arm/cpu/armv7/tegra20/Makefile                |    1 -
>> >  arch/arm/cpu/armv7/tegra20/display.c               |    2 +-
>> >  arch/arm/cpu/tegra-common/board.c                  |    8 -
>> >  arch/arm/cpu/tegra-common/clock.c                  |   83 +-
>> >  arch/arm/cpu/tegra124-common/clock.c               |  141 +-
>> >  arch/arm/dts/tegra124-nyan-big.dts                 |   47 +
>> >  arch/arm/dts/tegra124.dtsi                         |   84 ++
>> >  arch/arm/include/asm/arch-tegra/clk_rst.h          |   15 +-
>> >  arch/arm/include/asm/arch-tegra/clock.h            |   14 +
>> >  .../include/asm/{arch-tegra20 => arch-tegra}/dc.h  |   63 +-
>> >  arch/arm/include/asm/arch-tegra/pwm.h              |   60 +
>> >  arch/arm/include/asm/arch-tegra/sys_proto.h        |   19 +-
>> >  arch/arm/include/asm/arch-tegra124/clock-tables.h  |    3 +-
>> >  arch/arm/include/asm/arch-tegra124/clock.h         |   21 +
>> >  arch/arm/include/asm/arch-tegra124/display.h       |   58 +
>> >  arch/arm/include/asm/arch-tegra124/pwm.h           |   14 +
>> >  arch/arm/include/asm/arch-tegra20/display.h        |    2 +-
>> >  arch/arm/include/asm/arch-tegra20/pwm.h            |   54 +-
>> >  board/nvidia/common/board.c                        |   40 +-
>> >  board/nvidia/nyan-big/nyan-big.c                   |   34 +-
>> >  common/edid.c                                      |  106 ++
>> >  configs/nyan-big_defconfig                         |    2 +
>> >  .../gpu/nvidia,tegra20-host1x.txt                  |  372 +++++
>> >  doc/device-tree-bindings/video/display-timing.txt  |  110 ++
>> >  drivers/power/as3722.c                             |   16 +-
>> >  drivers/video/Kconfig                              |   14 +
>> >  drivers/video/Makefile                             |    6 +
>> >  drivers/video/dp-uclass.c                          |   34 +
>> >  drivers/video/tegra124/Makefile                    |   10 +
>> >  drivers/video/tegra124/display.c                   |  354 +++++
>> >  drivers/video/tegra124/displayport.h               |  412 ++++++
>> >  drivers/video/tegra124/dp.c                        | 1500 ++++++++++++++++++++
>> >  drivers/video/tegra124/sor.c                       |  951 +++++++++++++
>> >  drivers/video/tegra124/sor.h                       |  913 ++++++++++++
>> >  drivers/video/tegra124/tegra124-lcd.c              |   94 ++
>> >  include/configs/nyan-big.h                         |   13 +
>> >  include/configs/tegra-common-post.h                |    2 +-
>> >  include/configs/tegra-common.h                     |    2 +-
>> >  include/displayport.h                              |   60 +
>> >  include/dm/uclass-id.h                             |    1 +
>> >  include/edid.h                                     |   19 +
>> >  include/fdtdec.h                                   |   83 ++
>> >  include/linux/drm_dp_helper.h                      |  405 ++++++
>> >  include/power/as3722.h                             |    3 +
>> >  lib/fdtdec.c                                       |   95 ++
>> >  47 files changed, 6224 insertions(+), 122 deletions(-)  rename
>> > arch/arm/cpu/armv7/{tegra20 => tegra-common}/pwm.c (95%)  rename
>> > arch/arm/include/asm/{arch-tegra20 => arch-tegra}/dc.h (89%)  create
>> > mode 100644 arch/arm/include/asm/arch-tegra/pwm.h
>> >  create mode 100644 arch/arm/include/asm/arch-tegra124/display.h
>> >  create mode 100644 arch/arm/include/asm/arch-tegra124/pwm.h
>> >  create mode 100644
>> > doc/device-tree-bindings/gpu/nvidia,tegra20-host1x.txt
>> >  create mode 100644 doc/device-tree-bindings/video/display-timing.txt
>> >  create mode 100644 drivers/video/dp-uclass.c  create mode 100644
>> > drivers/video/tegra124/Makefile  create mode 100644
>> > drivers/video/tegra124/display.c  create mode 100644
>> > drivers/video/tegra124/displayport.h
>> >  create mode 100644 drivers/video/tegra124/dp.c  create mode 100644
>> > drivers/video/tegra124/sor.c  create mode 100644
>> > drivers/video/tegra124/sor.h  create mode 100644
>> > drivers/video/tegra124/tegra124-lcd.c
>> >  create mode 100644 include/displayport.h  create mode 100644
>> > include/linux/drm_dp_helper.h
>> >
>> > --
>> > 2.2.0.rc0.207.ga3a616c
>> >
>>
>> Regards,
>> Simon
>
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