Hello Yakir, On 10/20/2015 04:10 AM, Yakir Yang wrote: > Hi Javier, > > On 10/19/2015 06:40 PM, Javier Martinez Canillas wrote: >> Hello Yakir, >> >> On 10/10/2015 05:35 PM, Yakir Yang wrote: >>> Hi all, >>> >>> The Samsung Exynos eDP controller and Rockchip RK3288 eDP controller >>> share the same IP, so a lot of parts can be re-used. I split the common >>> code into bridge directory, then rk3288 and exynos only need to keep >>> some platform code. Cause I can't find the exact IP name of exynos dp >>> controller, so I decide to name dp core driver with "analogix" which I >>> find in rk3288 eDP TRM :) >>> >>> But there are still three light registers setting differents bewteen >>> exynos and rk3288. >>> 1. RK3288 have five special pll resigters which not indicata in exynos >>> dp controller. >>> 2. The address of DP_PHY_PD(dp phy power manager register) are different >>> between rk3288 and exynos. >>> 3. Rk3288 and exynos have different setting with AUX_HW_RETRY_CTL(dp debug >>> register). >>> >>> This series have been well tested on Rockchip platform with eDP panel >>> on Jerry Chromebook and Display Port Monitor on RK3288 board and thanks >>> to Javier@Samsung help me to find a way to install mainline kernel to >>> Samsung Exynos Chromebooks, so this series also have been tested on Samsung >>> Snow and Peach Pit Chromebooks which borrowed from my friends. >>> >>> Besides, This version was build on linux-next branch (tag next-20150918), and >>> the above test experiments also base on that tag. But I know the latest tag is >>> next-20151009, so i do rebase this series again on next-20151009, there were >>> little conflicts(exynos_dp removed the suspend/resume). >>> >>> But after I retest this series on next-20151009, I saw kernel crashed in mmc >>> driver(dw_mci_probe failed to get regulator). So i have to disabled the MMC >>> module(after all I boot with USB device), and I can see eDP light up normally >>> in startup stage, but kernel keep crashed when it try to mount the filesystem. >>> I thought this isn't related to dp driver directly, so i choice not to debug >>> more depth. >>> >>> That's to say if someone want to test this series, I suggest you applied this >>> series on tag-20150918, just need to fix some light conflicts with the 01 & 02 >>> patches (or just email me, I can send you directly). >>> >>> Thanks, >> Do you have a branch that I can use to test this series? > > Thank you for your kind assistance, I have created a tree which checkout from the next-20151019. Surely there were some conflicts to applied this series on that tag, but things still works for me, here is the git address [https://github.com/yakir-Yang/linux/tree/analogix_dp] > I tested your branch on an Exynos5800 Peach Pi Chromebook and display is working on boot. I also tested DPMS and S2R and things are still working so for the whole series feel free to add: Tested-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx> > Best regards, > - Yakir > Best regards, -- Javier Martinez Canillas Open Source Group Samsung Research America -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
