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

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Message-ID: <5D881F5C.2070305@huawei.com>
Date:   Mon, 23 Sep 2019 09:26:52 +0800
From:   zhong jiang <zhongjiang@...wei.com>
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] drm/vkms: Fix an undefined reference error in vkms_composer_worker

please ignore the patch,  author is incorrect, will repost.  Thanks

Sincerely,
zhong jiang
On 2019/9/23 9:21, zhong jiang wrote:
> From: YueHaibing <yuehaibing@...wei.com>
>
> 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: YueHaibing <yuehaibing@...wei.com>
> Signed-off-by: zhong jiang <zhongjiang@...wei.com>
> ---
>  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