Am 19.10.21 um 14:35 schrieb Daniel Vetter:
On Tue, Oct 19, 2021 at 01:27:06PM +0200, Christian König wrote:Trivial fix since we now need to grab a reference to the fence we have added. Previously the dma_resv function where doing that for us. Signed-off-by: Christian König <christian.koe...@amd.com> Fixes: 9c2ba265352a drm/scheduler: ("use new iterator in drm_sched_job_add_implicit_dependencies v2")Uh I completely missed checking for that. Did you review all other conversions you've pushed for this kind of bug?
Yeah, currently double checking that.
Reviewed-by: Daniel Vetter <daniel.vet...@ffwll.ch> Also Reported-by: Nicolas Frattaroli <frattaroli.nico...@gmail.com> References: https://lore.kernel.org/dri-devel/2023306.UmlnhvANQh@archbook/ It's important to credit bug reporters! Also upgrade to t-b if Nicolas gets around to testing quickly.
Yeah, the credit part is certainly correct. I just usually ask people before adding their mail address to kernel commits because of the spam you get :)
Cheers, Christian.
Cheers, Daniel--- drivers/gpu/drm/scheduler/sched_main.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c index 5bc5f775abe1..94fe51b3caa2 100644 --- a/drivers/gpu/drm/scheduler/sched_main.c +++ b/drivers/gpu/drm/scheduler/sched_main.c @@ -707,6 +707,9 @@ int drm_sched_job_add_implicit_dependencies(struct drm_sched_job *job, ret = drm_sched_job_add_dependency(job, fence); if (ret) return ret; + + /* Make sure to grab an additional ref on the added fence */ + dma_fence_get(fence); } return 0; } -- 2.25.1
