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

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Date:   Mon, 23 Sep 2019 09:24:43 +0800
From:   zhong jiang <zhongjiang@...wei.com>
To:     <maarten.lankhorst@...ux.intel.com>, <mripard@...nel.org>,
        <sean@...rly.run>
CC:     <airlied@...ux.ie>, <daniel@...ll.ch>,
        <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>,
        <zhongjiang@...wei.com>
Subject: [PATCH v2] drm/vkms: Fix an undefined reference error in vkms_composer_worker

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>
---
 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