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drm/vc4: Check for V3D before binner bo alloc

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Check that we have a V3D device registered before attempting to
allocate a binner buffer object.

Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20190516145544.29051-3-paul.kocialkowski@bootlin.com
This commit is contained in:
Paul Kocialkowski 2019-05-16 16:55:42 +02:00
parent 66fafd3387
commit 65f50f9761
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/vc4/vc4_v3d.c
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@ -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