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: s...@google.com [mailto:s...@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 <s...@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 -- nvpublic _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
