From: Steven Price steven.price@arm.com
[ Upstream commit a17d609e3e216c406f7c0cec2a94086a4401ac06 ]
The mutex within the panfrost_queue_state should have the lifetime of the queue, however it was erroneously initialised/destroyed during panfrost_job_{open,close} which is called every time a client opens/closes the drm node.
Move the initialisation/destruction to panfrost_job_{init,fini} where it belongs.
Fixes: 1a11a88cfd9a ("drm/panfrost: Fix job timeout handling") Signed-off-by: Steven Price steven.price@arm.com Reviewed-by: Boris Brezillon boris.brezillon@collabora.com Signed-off-by: Boris Brezillon boris.brezillon@collabora.com Link: https://patchwork.freedesktop.org/patch/msgid/20201029170047.30564-1-steven.... Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/panfrost/panfrost_job.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/panfrost/panfrost_job.c b/drivers/gpu/drm/panfrost/panfrost_job.c index 1ce2001106e56..517dfb247a801 100644 --- a/drivers/gpu/drm/panfrost/panfrost_job.c +++ b/drivers/gpu/drm/panfrost/panfrost_job.c @@ -617,6 +617,8 @@ int panfrost_job_init(struct panfrost_device *pfdev) }
for (j = 0; j < NUM_JOB_SLOTS; j++) { + mutex_init(&js->queue[j].lock); + js->queue[j].fence_context = dma_fence_context_alloc(1);
ret = drm_sched_init(&js->queue[j].sched, @@ -647,8 +649,10 @@ void panfrost_job_fini(struct panfrost_device *pfdev)
job_write(pfdev, JOB_INT_MASK, 0);
- for (j = 0; j < NUM_JOB_SLOTS; j++) + for (j = 0; j < NUM_JOB_SLOTS; j++) { drm_sched_fini(&js->queue[j].sched); + mutex_destroy(&js->queue[j].lock); + }
}
@@ -660,7 +664,6 @@ int panfrost_job_open(struct panfrost_file_priv *panfrost_priv) int ret, i;
for (i = 0; i < NUM_JOB_SLOTS; i++) { - mutex_init(&js->queue[i].lock); sched = &js->queue[i].sched; ret = drm_sched_entity_init(&panfrost_priv->sched_entity[i], DRM_SCHED_PRIORITY_NORMAL, &sched, @@ -677,10 +680,8 @@ void panfrost_job_close(struct panfrost_file_priv *panfrost_priv) struct panfrost_job_slot *js = pfdev->js; int i;
- for (i = 0; i < NUM_JOB_SLOTS; i++) { + for (i = 0; i < NUM_JOB_SLOTS; i++) drm_sched_entity_destroy(&panfrost_priv->sched_entity[i]); - mutex_destroy(&js->queue[i].lock); - } }
int panfrost_job_is_idle(struct panfrost_device *pfdev)