linux-kernel - Re: [PATCH v2] drm/vkms: Fix an undefined reference error in vkms_composer

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Message-ID: <20191009104002.GV16989@phenom.ffwll.local>
Date:   Wed, 9 Oct 2019 12:40:02 +0200
From:   Daniel Vetter <daniel@...ll.ch>
To:     zhong jiang <zhongjiang@...wei.com>
Cc:     maarten.lankhorst@...ux.intel.com, mripard@...nel.org,
        sean@...rly.run, airlied@...ux.ie, daniel@...ll.ch,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] drm/vkms: Fix an undefined reference error in
 vkms_composer_worker

On Mon, Sep 23, 2019 at 09:24:43AM +0800, zhong jiang wrote:
> I hit the following error when compile the kernel.
> 
> drivers/gpu/drm/vkms/vkms_composer.o: In function `vkms_composer_worker':
> vkms_composer.c:(.text+0x5e4): undefined reference to `crc32_le'
> make: *** [vmlinux] Error 1
> 
> Signed-off-by: zhong jiang <zhongjiang@...wei.com>

Queued for -next, thanks for your patch.
-Daniel
> ---
>  drivers/gpu/drm/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
> index e67c194..285d649 100644
> --- a/drivers/gpu/drm/Kconfig
> +++ b/drivers/gpu/drm/Kconfig
> @@ -257,6 +257,7 @@ config DRM_VKMS
>  	tristate "Virtual KMS (EXPERIMENTAL)"
>  	depends on DRM
>  	select DRM_KMS_HELPER
> +	select CRC32
>  	default n
>  	help
>  	  Virtual Kernel Mode-Setting (VKMS) is used for testing or for
> -- 
> 2.7.4
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch