[U-Boot] [PATCH v6 0/26] tegra: Add eDP support for nyan-big

Tom Warren
2015-04-29T19:56:01Z

I had a problem with the first patch in the V6 patchset (uclass-id.h sorted list), but after I fixed that it all applied to u-boot-tegra/master OK. Just need to find time to test it on my Nyan, unless someone else can say that they've done that and it's good-to-go.

Tom

> -----Original Message-----
> From: sjg at google.com [mailto:sjg at google.com] On Behalf Of Simon Glass
> Sent: Monday, April 27, 2015 8:03 PM
> To: U-Boot Mailing List
> Cc: Jimmy Zhang; Tom Warren; Stephen Warren; Simon Glass; Stephen
> Warren; Marek Vasut; Pavel Herrmann; Lukasz Majewski; Jerry Van Baren;
> Anatolij Gustschin
> Subject: Re: [PATCH v6 0/26] tegra: Add eDP support for nyan-big
>
> Hi Tom, Jimmy,
>
> On 14 April 2015 at 21:03, Simon Glass <sjg@chromium.org> wrote:
> > This series adds eDP support for nyan-big 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
>
> Any comments on this new version please?
>
> >
> > Changes in v6:
> > - Add a comment about tegra_dc_dp_check_sink()
> > - Add more debug() statements
> > - Add new patch to sort the uclasses
> > - Fix incorrect use of DP_MAIN_LINK_CHANNEL_CODING_SET register
> > - Improve retry logic in tegra_dc_dp_check_sink()
> > - Report failure when we cannot init the eDP display
> >
> > Changes in v4:
> > - Rebase on u-boot-dm/next since this series is still pending
> >
> > Changes in v3:
> > - Add full link training support
> > - Change parameters of update_display_mode()
> > - Fix 64-bit maths error
> > - Fix trainging typo
> > - Reorder parameters to tegra_dc_sor_attach()
> > - Set scramble_ena to 1 on start-up so that link training succeeds
> > - Simplify timouts to remove repeated multiplication by 1000
> > - Use real error return values in tegra_dc_dpaux_write_chunk() and
> > others
> > - Use sor pointer in struct tegra_dp_priv
> >
> > Changes in v2:
> > - Rebase on top of u-boot-dm
> > - Remove definition of BIT()
> >
> > Simon Glass (26):
> > dm: core: Sort the uclasses
> > dm: gpio: Add error handling and a function to claim vector GPIOs
> > fdt: Add binding decode function for display-timings
> > tegra: Move the pwm 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/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 | 67 +-
> > 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 +-
> > arch/arm/mach-tegra/Makefile | 1 +
> > arch/arm/mach-tegra/board.c | 8 -
> > arch/arm/mach-tegra/clock.c | 83 +-
> > arch/arm/mach-tegra/{tegra20 => }/pwm.c | 7 +-
> > arch/arm/mach-tegra/tegra124/clock.c | 141 +-
> > arch/arm/mach-tegra/tegra20/Makefile | 1 -
> > arch/arm/mach-tegra/tegra20/display.c | 2 +-
> > board/nvidia/common/board.c | 40 +-
> > board/nvidia/nyan-big/nyan-big.c | 34 +-
> > common/edid.c | 105 ++
> > configs/nyan-big_defconfig | 2 +
> > .../gpu/nvidia,tegra20-host1x.txt | 372 +++++
> > doc/device-tree-bindings/video/display-timing.txt | 110 ++
> > drivers/gpio/gpio-uclass.c | 38 +-
> > drivers/power/as3722.c | 16 +-
> > drivers/video/Kconfig | 15 +
> > drivers/video/Makefile | 6 +
> > drivers/video/dp-uclass.c | 34 +
> > drivers/video/tegra124/Makefile | 10 +
> > drivers/video/tegra124/display.c | 472 ++++++
> > drivers/video/tegra124/displayport.h | 412 +++++
> > drivers/video/tegra124/dp.c | 1607 ++++++++++++++++++++
> > drivers/video/tegra124/sor.c | 1024 +++++++++++++
> > drivers/video/tegra124/sor.h | 922 +++++++++++
> > drivers/video/tegra124/tegra124-lcd.c | 97 ++
> > include/asm-generic/gpio.h | 15 +-
> > include/configs/nyan-big.h | 14 +
> > include/configs/tegra-common-post.h | 2 +-
> > include/displayport.h | 60 +
> > include/dm/uclass-id.h | 29 +-
> > include/edid.h | 19 +
> > include/fdtdec.h | 81 +
> > include/linux/drm_dp_helper.h | 406 +++++
> > include/power/as3722.h | 3 +
> > lib/fdtdec.c | 95 ++
> > 48 files changed, 6599 insertions(+), 142 deletions(-) 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
> > rename arch/arm/mach-tegra/{tegra20 => }/pwm.c (93%) 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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nvpublic