Re: [PATCH v6 0/17] Add Analogix Core Display Port Driver

[Yakir Yang]

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]

Best regards,
- Yakir

> Best regards,


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