linux-kernel - Re: [PATCH -next] drm/hisilicon/hibmc: Fix COMPILE

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Date:   Mon, 22 Aug 2022 19:30:14 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     YueHaibing <yuehaibing@...wei.com>, xinliang.liu@...aro.org,
        tiantao6@...ilicon.com, jstultz@...gle.com,
        kong.kongxinwei@...ilicon.com, puck.chen@...ilicon.com,
        airlied@...ux.ie, daniel@...ll.ch, tzimmermann@...e.de,
        javierm@...hat.com
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH -next] drm/hisilicon/hibmc: Fix COMPILE_TEST building
 without MMU



On 8/22/22 19:09, 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@...wei.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

Yes, or this one from April 8, 2022:
https://lore.kernel.org/lkml/20220409030504.16089-1-rdunlap@infradead.org/

thanks.

-- 
~Randy