linux-kernel - Re: [PATCH -next] drm/msm: DRM_DP_AUX

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Date:   Mon, 23 May 2022 22:28:27 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc:     linux-kernel@...r.kernel.org, Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Sean Paul <sean@...rly.run>, linux-arm-msm@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>
Subject: Re: [PATCH -next] drm/msm: DRM_DP_AUX_BUS depends on OF



On 5/23/22 15:23, Dmitry Baryshkov wrote:
> Hi,
> 
> On Mon, 23 May 2022 at 23:43, Randy Dunlap <rdunlap@...radead.org> wrote:
>>
>> Fix a Kconfig warning for DRM_MSM by making it depend on OF,
>> since 'select' does not follow any dependency chaings.
>>
>> WARNING: unmet direct dependencies detected for DRM_DP_AUX_BUS
> 
> I think it was agreed that DRM_DP_AUX_BUS should depend on OF ||
> COMPILE_TEST (and the patch has been submitted by YueHaibing). See the
> thread at https://lore.kernel.org/dri-devel/9534934e-4c4a-ba2f-3bc3-d6d241e625bb@linaro.org/T/
> 

I see.  Thanks.

> 
>>   Depends on [n]: HAS_IOMEM [=y] && DRM [=m] && OF [=n]
>>   Selected by [m]:
>>   - DRM_MSM [=m] && HAS_IOMEM [=y] && DRM [=m] && (ARCH_QCOM || SOC_IMX5 || COMPILE_TEST [=y]) && COMMON_CLK [=y] && IOMMU_SUPPORT [=y] && (QCOM_OCMEM [=n] || QCOM_OCMEM [=n]=n) && (QCOM_LLCC [=y] || QCOM_LLCC [=y]=n) && (QCOM_COMMAND_DB [=n] || QCOM_COMMAND_DB [=n]=n)
>>
>> Fixes: f5d01644921b ("drm/msm: select DRM_DP_AUX_BUS for the AUX bus support")
>> Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
>> Cc: Rob Clark <robdclark@...il.com>
>> Cc: Abhinav Kumar <quic_abhinavk@...cinc.com>
>> Cc: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
>> Cc: Sean Paul <sean@...rly.run>
>> Cc: linux-arm-msm@...r.kernel.org
>> Cc: dri-devel@...ts.freedesktop.org
>> Cc: freedreno@...ts.freedesktop.org
>> Cc: David Airlie <airlied@...ux.ie>
>> Cc: Daniel Vetter <daniel@...ll.ch>
>> ---
>>  drivers/gpu/drm/msm/Kconfig |    1 +
>>  1 file changed, 1 insertion(+)
>>
>> --- a/drivers/gpu/drm/msm/Kconfig
>> +++ b/drivers/gpu/drm/msm/Kconfig
>> @@ -3,6 +3,7 @@
>>  config DRM_MSM
>>         tristate "MSM DRM"
>>         depends on DRM
>> +       depends on OF
>>         depends on ARCH_QCOM || SOC_IMX5 || COMPILE_TEST
>>         depends on COMMON_CLK
>>         depends on IOMMU_SUPPORT
> 
> 
> 

-- 
~Randy