linux-kernel - Re: [PATCH v2 -next] drm/display: Fix build error without CONFIG

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Date:   Fri, 6 May 2022 08:52:08 -0700
From:   Abhinav Kumar <quic_abhinavk@...cinc.com>
To:     YueHaibing <yuehaibing@...wei.com>, <airlied@...ux.ie>,
        <daniel@...ll.ch>, <tzimmermann@...e.de>,
        <dmitry.baryshkov@...aro.org>
CC:     <linux-kernel@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>
Subject: Re: [PATCH v2 -next] drm/display: Fix build error without CONFIG_OF



On 5/6/2022 5:32 AM, YueHaibing wrote:
> While CONFIG_OF is n but COMPILE_TEST is y, we got this:
> 
> WARNING: unmet direct dependencies detected for DRM_DP_AUX_BUS
>    Depends on [n]: HAS_IOMEM [=y] && DRM [=y] && OF [=n]
>    Selected by [y]:
>    - DRM_MSM [=y] && HAS_IOMEM [=y] && DRM [=y] && (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)
> 
> Make DRM_DP_AUX_BUS depends on OF || COMPILE_TEST to fix this warning.
> 
> Fixes: f5d01644921b ("drm/msm: select DRM_DP_AUX_BUS for the AUX bus support")
> Signed-off-by: YueHaibing <yuehaibing@...wei.com>
Reviewed-by: Abhinav Kumar <quic_abhinavk@...cinc.com>
> ---
> v2: fix this in DRM_DP_AUX_BUS dependencies
> ---
>   drivers/gpu/drm/display/Kconfig | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/display/Kconfig b/drivers/gpu/drm/display/Kconfig
> index 1b6e6af37546..09712b88a5b8 100644
> --- a/drivers/gpu/drm/display/Kconfig
> +++ b/drivers/gpu/drm/display/Kconfig
> @@ -3,7 +3,7 @@
>   config DRM_DP_AUX_BUS
>   	tristate
>   	depends on DRM
> -	depends on OF
> +	depends on OF || COMPILE_TEST
>   
>   config DRM_DISPLAY_HELPER
>   	tristate