From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Kocialkowski Subject: [PATCH v8 2/4] drm/vc4: Check for V3D before binner bo alloc Date: Fri, 3 May 2019 10:12:40 +0200 Message-ID: <20190503081242.29039-3-paul.kocialkowski@bootlin.com> References: <20190503081242.29039-1-paul.kocialkowski@bootlin.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190503081242.29039-1-paul.kocialkowski@bootlin.com> Sender: linux-kernel-owner@vger.kernel.org To: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Cc: Eric Anholt , David Airlie , Daniel Vetter , Maxime Ripard , Eben Upton , Thomas Petazzoni , Paul Kocialkowski List-Id: dri-devel@lists.freedesktop.org Check that we have a V3D device registered before attempting to allocate a binner buffer object. Signed-off-by: Paul Kocialkowski --- drivers/gpu/drm/vc4/vc4_v3d.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/vc4/vc4_v3d.c b/drivers/gpu/drm/vc4/vc4_v3d.c index 7c490106e185..c16db4665af6 100644 --- a/drivers/gpu/drm/vc4/vc4_v3d.c +++ b/drivers/gpu/drm/vc4/vc4_v3d.c @@ -241,6 +241,9 @@ static int bin_bo_alloc(struct vc4_dev *vc4) int ret = 0; struct list_head list; + if (!v3d) + return -ENODEV; + /* We may need to try allocating more than once to get a BO * that doesn't cross 256MB. Track the ones we've allocated * that failed so far, so that we can free them when we've got -- 2.21.0