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Subject: Re: [PATCH -next] drm/hisilicon/hibmc: Fix COMPILE_TEST building
 without MMU
To:     <xinliang.liu@linaro.org>, <tiantao6@hisilicon.com>,
        <jstultz@google.com>, <kong.kongxinwei@hisilicon.com>,
        <puck.chen@hisilicon.com>, <airlied@linux.ie>, <daniel@ffwll.ch>,
        <tzimmermann@suse.de>, <javierm@redhat.com>
CC:     <dri-devel@lists.freedesktop.org>, <linux-kernel@vger.kernel.org>
References: <20220823020920.11008-1-yuehaibing@huawei.com>
From:   YueHaibing <yuehaibing@huawei.com>
Message-ID: <584a67fa-cc1d-a30b-ccac-847f717b6d90@huawei.com>
Date:   Wed, 14 Sep 2022 14:44:03 +0800
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ping...

On 2022/8/23 10:09, YueHaibing wrote:
> WARNING: unmet direct dependencies detected for DRM_TTM
>   Depends on [n]: HAS_IOMEM [=y] && DRM [=y] && MMU [=n]
>   Selected by [y]:
>   - DRM_TTM_HELPER [=y] && HAS_IOMEM [=y] && DRM [=y]
>   - DRM_HISI_HIBMC [=y] && HAS_IOMEM [=y] && DRM [=y] && PCI [=y] && (ARM64 || COMPILE_TEST [=y])
> 
> Add missing MMU dependency to fix this.
> 
> Fixes: a0f25a6bb319 ("drm/hisilicon/hibmc: Allow to be built if COMPILE_TEST is enabled")
> Signed-off-by: YueHaibing <yuehaibing@huawei.com>
> ---
>  drivers/gpu/drm/hisilicon/hibmc/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/hisilicon/hibmc/Kconfig b/drivers/gpu/drm/hisilicon/hibmc/Kconfig
> index 073adfe438dd..e5ef1b573732 100644
> --- a/drivers/gpu/drm/hisilicon/hibmc/Kconfig
> +++ b/drivers/gpu/drm/hisilicon/hibmc/Kconfig
> @@ -1,7 +1,7 @@
>  # SPDX-License-Identifier: GPL-2.0-only
>  config DRM_HISI_HIBMC
>  	tristate "DRM Support for Hisilicon Hibmc"
> -	depends on DRM && PCI && (ARM64 || COMPILE_TEST)
> +	depends on DRM && PCI && (ARM64 || COMPILE_TEST) && MMU
>  	select DRM_KMS_HELPER
>  	select DRM_VRAM_HELPER
>  	select DRM_TTM
>