linux-kernel - Re: [PATCH -next] drm/solomon: Make DRM

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Message-ID: <08e81f07-99d2-62a3-8eea-b2c0432b4d18@redhat.com>
Date:   Tue, 15 Mar 2022 10:18:01 +0100
From:   Javier Martinez Canillas <javierm@...hat.com>
To:     YueHaibing <yuehaibing@...wei.com>, airlied@...ux.ie,
        daniel@...ll.ch, maxime@...no.tech
Cc:     linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH -next] drm/solomon: Make DRM_SSD130X depends on MMU

Hello YueHaibing,

Thanks for the patch.

On 3/12/22 07:34, YueHaibing wrote:
> WARNING: unmet direct dependencies detected for DRM_GEM_SHMEM_HELPER
>   Depends on [n]: HAS_IOMEM [=y] && DRM [=m] && MMU [=n]
>   Selected by [m]:
>   - DRM_SSD130X [=m] && HAS_IOMEM [=y] && DRM [=m]
> 
> DRM_GEM_SHMEM_HELPER depends on MMU, DRM_SSD130X should also depends on MMU.
> 
> Fixes: a61732e80867 ("drm: Add driver for Solomon SSD130x OLED displays")
> Signed-off-by: YueHaibing <yuehaibing@...wei.com>
> ---

Indeed. All the DRM drivers that select DRM_GEM_SHMEM_HELPER depend on MMU.

Acked-by: Javier Martinez Canillas <javierm@...hat.com>

-- 
Best regards,

Javier Martinez Canillas
Linux Engineering
Red Hat