linux-kernel - [PATCH 1/2] drm: fsl-dcu: select CONFIG_DRM_GEM_CMA

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Message-Id: <20211204174637.1160725-1-arnd@kernel.org>
Date:   Sat,  4 Dec 2021 18:46:22 +0100
From:   Arnd Bergmann <arnd@...nel.org>
To:     Stefan Agner <stefan@...er.ch>, Alison Wang <alison.wang@....com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Thomas Zimmermann <tzimmermann@...e.de>
Cc:     Arnd Bergmann <arnd@...db.de>, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] drm: fsl-dcu: select CONFIG_DRM_GEM_CMA_HELPER

From: Arnd Bergmann <arnd@...db.de>

The fsl-dcu driver uses the gem_cma_helper code, but does
noto enforce enabling this through Kconfig:

arm-linux-gnueabi-ld: drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.o:(.rodata+0x32c): undefined reference to `drm_gem_cma_prime_import_sg_table'
arm-linux-gnueabi-ld: drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.o:(.rodata+0x334): undefined reference to `drm_gem_cma_dumb_create'
arm-linux-gnueabi-ld: drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.o: in function `fsl_dcu_drm_plane_atomic_update':
fsl_dcu_drm_plane.c:(.text+0x144): undefined reference to `drm_fb_cma_get_gem_obj'

Add the same 'select' that is used in other such drivers.

Fixes: 09717af7d13d ("drm: Remove CONFIG_DRM_KMS_CMA_HELPER option")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 drivers/gpu/drm/fsl-dcu/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/fsl-dcu/Kconfig b/drivers/gpu/drm/fsl-dcu/Kconfig
index 2a13ea5c8539..e95e96c565ba 100644
--- a/drivers/gpu/drm/fsl-dcu/Kconfig
+++ b/drivers/gpu/drm/fsl-dcu/Kconfig
@@ -3,6 +3,7 @@ config DRM_FSL_DCU
 	tristate "DRM Support for Freescale DCU"
 	depends on DRM && OF && ARM && COMMON_CLK
 	select BACKLIGHT_CLASS_DEVICE
+	select DRM_GEM_CMA_HELPER
 	select DRM_KMS_HELPER
 	select DRM_PANEL
 	select REGMAP_MMIO
-- 
2.29.2