When resources are allocated dynamically during an IOCTL we need to make sure that a fence slot is reserved so that the resulting fence can be added in the end.
Signed-off-by: Christian König christian.koenig@amd.com Fixes: c8d4c18bfbc4 ("dma-buf/drivers: make reserving a shared slot mandatory v4") --- drivers/gpu/drm/vmwgfx/vmwgfx_resource.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c index a7d62a4eb47b..edce228f737c 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c @@ -399,6 +399,10 @@ static int vmw_resource_do_validate(struct vmw_resource *res, ret = func->create(res); if (unlikely(ret != 0)) return ret; + + ret = dma_resv_reserve_fences(res->backup->base.base.resv, 1); + if (unlikely(ret)) + goto out_bind_failed; }
if (func->bind &&