[PATCH v4.1 1/2] drm/rockchip: analogix_dp: introduce the pclk for grf

[Yakir Yang]

Doug,

On 06/23/2016 01:16 PM, Doug Anderson wrote:
> Yakir,
>
> On Wed, Jun 22, 2016 at 6:58 PM, Yakir Yang <ykk at rock-chips.com> wrote:
>> For RK3399's GRF module, if we want to operate the graphic related grf
>> registers, we need to enable the pclk_vio_grf which supply power for VIO
>> GRF IOs, so it's better to introduce an optional grf clock in driver.
>>
>> Signed-off-by: Yakir Yang <ykk at rock-chips.com>
>> ---
>> Hi all,
>>
>> This is an external patch for analogix_dp misc cleanup thread [0]
>> [0]: https://patchwork.kernel.org/patch/9175613/
>>
>> BR,
>> - Yakir
>>
>> Changes in v4.1:
>> - Fix compiled error, sorry.
>>    "dp->cgfclk"  -->  'dp->grfclk'
>>
>> Changes in v4:
>> - Check the the error code properly, 'EPROBE_DEFER' should be returned,
>>    'ENOENT' should assign a NULL point to grfclk, other errors should be
>>    regarded as failed. (Tomasz, Doug, reviewed at Google Gerrit)
>>      [https://chromium-review.googlesource.com/#/c/351821/20/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c@249]
>> - Add the document about optional 'grf' clock (Tomasz, Doug, reviewed at Google Gerrit)
>>      [https://chromium-review.googlesource.com/#/c/351821/]
>>
>> Changes in v3:
>> - Add this patch in v3
>>
>>   .../display/rockchip/analogix_dp-rockchip.txt      |  6 ++++++
>>   drivers/gpu/drm/rockchip/analogix_dp-rockchip.c    | 23 +++++++++++++++++++---
>>   2 files changed, 26 insertions(+), 3 deletions(-)
> I probably would have split into two patches so the bindings was its
> own patch, but I don't think it's strictly required.
>
> In any case, this seems good to me.
>
> Reviewed-by: Douglas Anderson <dianders at chromium.org>
>
This is not big change, so collect them into one patch should be more 
cleaner, thanks for your reviewed ;)
>