Re: [PATCH v10 05/11] drm: bridge/dw_hdmi:split some phy configuration to platform driver

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On Fri, Nov 14, 2014 at 7:13 PM, Zubair Lutfullah Kakakhel
<Zubair.Kakakhel@xxxxxxxxxx> wrote:
>
>
> On 14/11/14 11:08, Andy Yan wrote:
>>
>> On 2014年11月14日 18:55, Zubair Lutfullah Kakakhel wrote:
>>>
>>> On 14/11/14 10:53, Andy Yan wrote:
>>>> Hi ZubairLK:
>>>>     Thanks for your review.
>>>> On 2014年11月14日 18:19, Zubair Lutfullah Kakakhel wrote:
>>>>> Hi Andy,
>>>>>
>>>>> Nice work on this patch series. Its getting better and better :).
>>>>>
>>>>> On 14/11/14 03:27, Andy Yan wrote:
>>>>>> hdmi phy clock symbol and transmission termination value
>>>>>> can adjust platform specific to get the best SI
>>>>>                          ^Is this signal integrity?
>>>>     yes , SI  is signal integrity, such as eye diagram measurement
>>>>> Are these two disjoint features in separate patches?
>>>>>
>>>>>> also add mode_valid interface for some platform may not support
>>>>>> all the display mode
>>>>> Sounds like another separate patch to me. :)
>>>>     they can seperate
>>>>> Also, This series is becoming quite large. With major changes and fixes mixed together.
>>>>>
>>>>> Patch 3 splits imx-drm.
>>>>> Patch 4 moves dw-drm out of imx-drm folder.
>>>>> Patch 7 adds binding
>>>>> Patch 9 converts to drm bridge.
>>>>>
>>>>> Can these be placed together easily?
>>>>> And in the start. i.e. patch 1, 2, 3, 4,
>>>>>
>>>>> Then all fixes etc can come afterwards?
>>>>>
>>>>> It helps when checking histories later as to how a driver was made and how fixes happened.
>>>>>
>>>>> Especially when file moves happen..
>>>>    Do you mean we can rearrange the patch series?
>>>>    put patch 3, 4 ,7, 9 together  one bye one
>>>>    than followed by the fixes patches  5 ,6, 8, 11 ?
>>> Yes. Rearrange so that the split imx-drm/imx-hdmi and conversion to drm-bridge is at the start of the series.
>>> Then the rest are bug fixes and feature additions.
>>   Can I put patch#1(make checkpatch happy) and patch#2 (defer probe) as the first two patch.
>>   Daniel from Google chromium think it's better to put the two slightly changes in the front for easy review.

Sorry, I didn't see this conversation before my earlier emails.

I was suggesting to Andy to arrange his patches like this:
 (1) fixes that directly apply to imx-drm as it is today.
 (2) split out the "generic dw_hdmi" parts from imx-hdmi into dw_hdmi.c
 (3) convert dw_hdmi.c to a drm_bridge
 (4) move the dw_hdmi.c bridge implementation to drm/bridge
 (5) modifications to dw_hdmi.c required to support hdmi on rk3288
 (5) add rk3288-hdmi.c to drm/rockchip (at least whenever drm/rockchip lands)

The idea being that we can start landing the patches for (1) even
while we are still debating / reviewing (2)+ upstream.

> Sure.
>
> I am not the maintainer. They have to make the final decision.

imx-drm is still in staging.  I do not see anyone listed explicitly
under MAINTAINERS for drivers/staging/imx-drm, so by default I guess
it falls back to gregkh (drivers/staging/)?
The "Commit" field in git log seems to back this up.

Although, based on Author, I think we also want the opinions of
Philipp Zabel and Russel King.

Thanks,
-djk

>
> ZubairLK
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