linux-kernel - Re: [PATCH] drm/arm: arm hdlcd select DRM_GEM_CMA

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Date:   Mon, 24 Jan 2022 16:25:42 +0000
From:   Carsten Haitzler <carsten.haitzler@...s.arm.com>
To:     Steven Price <steven.price@....com>,
        dri-devel@...ts.freedesktop.org
Cc:     liviu.dudau@....com, brian.starkey@....com, airlied@...ux.ie,
        daniel@...ll.ch, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/arm: arm hdlcd select DRM_GEM_CMA_HELPER

I sent an updated patch with the Fixes:

On 1/24/22 16:13, Steven Price wrote:
> On 24/01/2022 15:13, carsten.haitzler@...s.arm.com wrote:
>> From: Carsten Haitzler <carsten.haitzler@....com>
>>
>> Without DRM_GEM_CMA_HELPER HDLCD won't build. This needs to be there too.
>>
>> Signed-off-by: Carsten Haitzler <carsten.haitzler@....com>
> 
> To add the context, DRM_HDLCD used to select DRM_KMS_CMA_HELPER but that
> was removed in commit 09717af7d13d ("drm: Remove
> CONFIG_DRM_KMS_CMA_HELPER option"). DRM_KMS_CMA_HELPER would select
> DRM_GEM_CMA_HELPER but that transitive dependency was lost and
> apparently the fixup was missed in that commit.
> 
> So we need a:
> 
> Fixes: 09717af7d13d ("drm: Remove CONFIG_DRM_KMS_CMA_HELPER option")
> 
> and with that...
> 
> Reviewed-by: Steven Price <steven.price@....com>
> 
> Steve
> 
>> ---
>>   drivers/gpu/drm/arm/Kconfig | 1 +
>>   1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/gpu/drm/arm/Kconfig b/drivers/gpu/drm/arm/Kconfig
>> index 58a242871b28..6e3f1d600541 100644
>> --- a/drivers/gpu/drm/arm/Kconfig
>> +++ b/drivers/gpu/drm/arm/Kconfig
>> @@ -6,6 +6,7 @@ config DRM_HDLCD
>>   	depends on DRM && OF && (ARM || ARM64 || COMPILE_TEST)
>>   	depends on COMMON_CLK
>>   	select DRM_KMS_HELPER
>> +	select DRM_GEM_CMA_HELPER
>>   	help
>>   	  Choose this option if you have an ARM High Definition Colour LCD
>>   	  controller.
>>
>