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Date: Mon, 8 Jul 2019 15:46:51 +0200 From: Arnd Bergmann <arnd@...db.de> To: Inki Dae <inki.dae@...sung.com>, Joonyoung Shim <jy0922.shim@...sung.com>, Seung-Woo Kim <sw0312.kim@...sung.com>, Kyungmin Park <kyungmin.park@...sung.com>, David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>, Kukjin Kim <kgene@...nel.org>, Krzysztof Kozlowski <krzk@...nel.org> Cc: Arnd Bergmann <arnd@...db.de>, Sam Ravnborg <sam@...nborg.org>, Jingoo Han <jingoohan1@...il.com>, Andrzej Hajda <a.hajda@...sung.com>, dri-devel@...ts.freedesktop.org, linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH] drm/exynos: add CONFIG_MMU dependency Compile-testing this driver on a NOMMU configuration shows a link failure: drivers/gpu/drm/exynos/exynos_drm_gem.o: In function `exynos_drm_gem_fault': exynos_drm_gem.c:(.text+0x484): undefined reference to `vmf_insert_mixed' Add a CONFIG_MMU dependency to ensure we only enable this in configurations that build correctly. Many other drm drivers have the same dependency. It would be nice to make this work in MMU-less configurations, but evidently nobody has ever needed this so far. Fixes: 156bdac99061 ("drm/exynos: trigger build of all modules") Signed-off-by: Arnd Bergmann <arnd@...db.de> --- drivers/gpu/drm/exynos/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig index 60ce4a8ad9e1..6f7d3b3b3628 100644 --- a/drivers/gpu/drm/exynos/Kconfig +++ b/drivers/gpu/drm/exynos/Kconfig @@ -2,6 +2,7 @@ config DRM_EXYNOS tristate "DRM Support for Samsung SoC EXYNOS Series" depends on OF && DRM && (ARCH_S3C64XX || ARCH_S5PV210 || ARCH_EXYNOS || ARCH_MULTIPLATFORM || COMPILE_TEST) + depends on MMU select DRM_KMS_HELPER select VIDEOMODE_HELPERS select SND_SOC_HDMI_CODEC if SND_SOC -- 2.20.0
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