diff options
| author | Rob Clark <robdclark@chromium.org> | 2021-11-16 18:55:45 +0300 |
|---|---|---|
| committer | Christian König <christian.koenig@amd.com> | 2021-11-17 10:21:03 +0300 |
| commit | 963d0b3569354230f6e2c36a286ef270a8901878 (patch) | |
| tree | c148760d3b3c6d0730b5d4269d0a77e49fcbf378 /drivers/gpu/drm/scheduler | |
| parent | 4eaf02d6076c138d929f98b4c8afc4fef6d2915d (diff) | |
| download | linux-963d0b3569354230f6e2c36a286ef270a8901878.tar.xz | |
drm/scheduler: fix drm_sched_job_add_implicit_dependencies harder
drm_sched_job_add_dependency() could drop the last ref, so we need to do
the dma_fence_get() first.
Cc: Christian König <christian.koenig@amd.com>
Fixes: 9c2ba265352a ("drm/scheduler: use new iterator in drm_sched_job_add_implicit_dependencies v2")
Signed-off-by: Rob Clark <robdclark@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20211116155545.473311-1-robdclark@gmail.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Christian König <christian.koenig@amd.com>
Tested-by: Amit Pundir <amit.pundir@linaro.org>
Signed-off-by: Christian König <christian.koenig@amd.com>
Diffstat (limited to 'drivers/gpu/drm/scheduler')
| -rw-r--r-- | drivers/gpu/drm/scheduler/sched_main.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c index 94fe51b3caa2..f91fb31ab7a7 100644 --- a/drivers/gpu/drm/scheduler/sched_main.c +++ b/drivers/gpu/drm/scheduler/sched_main.c @@ -704,12 +704,13 @@ int drm_sched_job_add_implicit_dependencies(struct drm_sched_job *job, int ret; dma_resv_for_each_fence(&cursor, obj->resv, write, fence) { - 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); + ret = drm_sched_job_add_dependency(job, fence); + if (ret) { + dma_fence_put(fence); + return ret; + } } return 0; } |