linux-kernel - [PATCH] drm: rockchip: select DRM_GEM_CMA

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Date:	Thu, 16 Jun 2016 14:27:57 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Mark Yao <mark.yao@...k-chips.com>,
	David Airlie <airlied@...ux.ie>,
	Heiko Stuebner <heiko@...ech.de>
Cc:	Arnd Bergmann <arnd@...db.de>, Yakir Yang <ykk@...k-chips.com>,
	Chris Zhong <zyw@...k-chips.com>,
	dri-devel@...ts.freedesktop.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] drm: rockchip: select DRM_GEM_CMA_HELPER

The rockchip drm driver started using drm_gem_cma_vm_ops, but that might
not be part of the kernel, causing the link to fail:

drivers/gpu/built-in.o:(.data+0xb234): undefined reference to `drm_gem_cma_vm_ops'

This adds a Kconfig 'select' statement to enable it like the other
user do.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
Fixes: 80f67cd80add ("drm/rockchip: Use cma gem vm ops")
---
 drivers/gpu/drm/rockchip/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/rockchip/Kconfig b/drivers/gpu/drm/rockchip/Kconfig
index d30bdc38a760..e48611e83c03 100644
--- a/drivers/gpu/drm/rockchip/Kconfig
+++ b/drivers/gpu/drm/rockchip/Kconfig
@@ -2,6 +2,7 @@ config DRM_ROCKCHIP
 	tristate "DRM Support for Rockchip"
 	depends on DRM && ROCKCHIP_IOMMU
 	depends on RESET_CONTROLLER
+	select DRM_GEM_CMA_HELPER
 	select DRM_KMS_HELPER
 	select DRM_KMS_FB_HELPER
 	select DRM_PANEL
-- 
2.9.0