Re: [PATCH v5 0/17] Add Analogix Core Display Port Driver

[Yakir Yang <ykk@rock-chips.com>]

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Hi Javier,

On 10/07/2015 05:26 PM, Javier Martinez Canillas wrote:
> Hello Yakir,
>
> On 10/07/2015 11:02 AM, Yakir Yang wrote:
>> Hi Javier,
>>
>> On 10/07/2015 04:46 PM, Javier Martinez Canillas wrote:
>>> Hello Yakir,
>>>
>>> On 10/07/2015 08:25 AM, Yakir Yang wrote:
>>>> Hi all,
>>>>
>>>> Friendly ping.....   :)
>>>>
>>>>
>>>> Best regards,
>>>> - Yakir
>>>>
>>>>
>>> Do you have a tree that I can use to test these patches?
>> Wow, thanks a lot, I do have a tree on github [https://github.com/yakir-Yang/linux/tree/analogix_dp],
>> crossing my finger, wish things works......    ;)
>>
> I tried your analogix_dp branch on an Exynos5800 Peach Pi Chromebook
> but the machine didn't boot. Unfortunately I need to do some soldering
> to have a serial console on this board so don't have a kernel boot log.
>
> I'll let you know if I can get more info about this issue.

Whoops, sorry for the failed, much appreciated for your works.

Besides, I thought maybe I can find a Peach Pit Chromebook in my side,
I remember that some of our guys have brought one, but previously I
thought that mainline kernel wouldn't run on Peach Pit directly.

Maybe you can email me the method the run mainline kernel on Peach
Pit, so I can debug the analogix_dp driver at the same time, that would
be great.
> Also, there is Kconfig recursive dependency that you may want to fix:
>
> $ make exynos_defconfig
> drivers/video/fbdev/Kconfig:5:error: recursive dependency detected!
> drivers/video/fbdev/Kconfig:5: symbol FB is selected by DRM_KMS_FB_HELPER
> drivers/gpu/drm/Kconfig:34: symbol DRM_KMS_FB_HELPER depends on DRM_KMS_HELPER
> drivers/gpu/drm/Kconfig:28: symbol DRM_KMS_HELPER is selected by DRM_ANALOGIX_DP
> drivers/gpu/drm/bridge/analogix/Kconfig:1: symbol DRM_ANALOGIX_DP is selected by DRM_EXYNOS_DP
> drivers/gpu/drm/exynos/Kconfig:57: symbol DRM_EXYNOS_DP depends on DRM_EXYNOS_FIMD
> drivers/gpu/drm/exynos/Kconfig:19: symbol DRM_EXYNOS_FIMD depends on FB_S3C
> drivers/video/fbdev/Kconfig:2023: symbol FB_S3C depends on FB
>   

Yeah, recursive dependency detected, guess I should remove the
"DRM_KMS_HELPER" from bridge analogix_dp Kconfig file, thanks
for your remind.

--- a/drivers/gpu/drm/bridge/analogix/Kconfig
+++ b/drivers/gpu/drm/bridge/analogix/Kconfig
@@ -1,4 +1,3 @@
  config DRM_ANALOGIX_DP
         tristate
         depends on DRM
-       select DRM_KMS_HELPER


Thanks,
- Yakir
>> Thanks,
>> - Yakir
>>
> Best regards,


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