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From:   Marcel Ziswiler <marcel@ziswiler.com>
To:     Linux-Next Mailing List <linux-next@vger.kernel.org>,
        dri-devel@lists.freedesktop.org,
        open list <linux-kernel@vger.kernel.org>,
        Linux ARM <linux-arm-kernel@lists.infradead.org>,
        Thomas Zimmermann <tzimmermann@suse.de>
Cc:     Arnd Bergmann <arnd@arndb.de>,
        Alexandre Belloni <alexandre.belloni@bootlin.com>,
        David Airlie <airlied@linux.ie>,
        Maxime Ripard <mripard@kernel.org>,
        Andrey Konovalov <andreyknvl@gmail.com>,
        Stephen Rothwell <sfr@canb.auug.org.au>,
        Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
        Linus Walleij <linus.walleij@linaro.org>,
        Daniel Vetter <daniel@ffwll.ch>,
        Marcel Ziswiler <marcel.ziswiler@toradex.com>,
        Linux Kernel Functional Testing <lkft@linaro.org>
Subject: [PATCH v1] drm: import DMA_BUF module namespace
Date:   Wed, 27 Oct 2021 17:25:34 +0200
Message-Id: <20211027152534.3366799-1-marcel@ziswiler.com>
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From: Marcel Ziswiler <marcel.ziswiler@toradex.com>

Today's -next fails building arm64 defconfig as follows:

ERROR: modpost: module drm_cma_helper uses symbol dma_buf_vunmap from
 namespace DMA_BUF, but does not import it.
ERROR: modpost: module drm_cma_helper uses symbol dma_buf_vmap from
 namespace DMA_BUF, but does not import it.

Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
Fixes: commit 4b2b5e142ff4 ("drm: Move GEM memory managers into modules")
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>

---

 drivers/gpu/drm/drm_gem_cma_helper.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/drm_gem_cma_helper.c b/drivers/gpu/drm/drm_gem_cma_helper.c
index 6f7b3f8ec04d3..69f8564ad11cd 100644
--- a/drivers/gpu/drm/drm_gem_cma_helper.c
+++ b/drivers/gpu/drm/drm_gem_cma_helper.c
@@ -23,6 +23,8 @@
 #include <drm/drm_gem_cma_helper.h>
 #include <drm/drm_vma_manager.h>
 
+MODULE_IMPORT_NS(DMA_BUF);
+
 /**
  * DOC: cma helpers
  *
-- 
2.26.2