[PATCH 08/11] drm/etnaviv: Use scheduler dependency handling
Daniel Vetter
daniel.vetter at ffwll.ch
Thu Jun 24 14:00:22 UTC 2021
We need to pull the drm_sched_job_init much earlier, but that's very
minor surgery.
Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
Cc: Lucas Stach <l.stach at pengutronix.de>
Cc: Russell King <linux+etnaviv at armlinux.org.uk>
Cc: Christian Gmeiner <christian.gmeiner at gmail.com>
Cc: Sumit Semwal <sumit.semwal at linaro.org>
Cc: "Christian König" <christian.koenig at amd.com>
Cc: etnaviv at lists.freedesktop.org
Cc: linux-media at vger.kernel.org
Cc: linaro-mm-sig at lists.linaro.org
---
drivers/gpu/drm/etnaviv/etnaviv_gem.h | 5 +-
drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c | 32 +++++-----
drivers/gpu/drm/etnaviv/etnaviv_sched.c | 61 +-------------------
drivers/gpu/drm/etnaviv/etnaviv_sched.h | 3 +-
4 files changed, 20 insertions(+), 81 deletions(-)
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.h b/drivers/gpu/drm/etnaviv/etnaviv_gem.h
index 98e60df882b6..63688e6e4580 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem.h
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.h
@@ -80,9 +80,6 @@ struct etnaviv_gem_submit_bo {
u64 va;
struct etnaviv_gem_object *obj;
struct etnaviv_vram_mapping *mapping;
- struct dma_fence *excl;
- unsigned int nr_shared;
- struct dma_fence **shared;
};
/* Created per submit-ioctl, to track bo's and cmdstream bufs, etc,
@@ -95,7 +92,7 @@ struct etnaviv_gem_submit {
struct etnaviv_file_private *ctx;
struct etnaviv_gpu *gpu;
struct etnaviv_iommu_context *mmu_context, *prev_mmu_context;
- struct dma_fence *out_fence, *in_fence;
+ struct dma_fence *out_fence;
int out_fence_id;
struct list_head node; /* GPU active submit list */
struct etnaviv_cmdbuf cmdbuf;
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
index 4dd7d9d541c0..92478a50a580 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
@@ -188,16 +188,10 @@ static int submit_fence_sync(struct etnaviv_gem_submit *submit)
if (submit->flags & ETNA_SUBMIT_NO_IMPLICIT)
continue;
- if (bo->flags & ETNA_SUBMIT_BO_WRITE) {
- ret = dma_resv_get_fences(robj, &bo->excl,
- &bo->nr_shared,
- &bo->shared);
- if (ret)
- return ret;
- } else {
- bo->excl = dma_resv_get_excl_unlocked(robj);
- }
-
+ ret = drm_sched_job_await_implicit(&submit->sched_job, &bo->obj->base,
+ bo->flags & ETNA_SUBMIT_BO_WRITE);
+ if (ret)
+ return ret;
}
return ret;
@@ -403,8 +397,6 @@ static void submit_cleanup(struct kref *kref)
wake_up_all(&submit->gpu->fence_event);
- if (submit->in_fence)
- dma_fence_put(submit->in_fence);
if (submit->out_fence) {
/* first remove from IDR, so fence can not be found anymore */
mutex_lock(&submit->gpu->fence_lock);
@@ -537,6 +529,12 @@ int etnaviv_ioctl_gem_submit(struct drm_device *dev, void *data,
submit->exec_state = args->exec_state;
submit->flags = args->flags;
+ ret = drm_sched_job_init(&submit->sched_job,
+ &ctx->sched_entity[args->pipe],
+ submit->ctx);
+ if (ret)
+ goto err_submit_objects;
+
ret = submit_lookup_objects(submit, file, bos, args->nr_bos);
if (ret)
goto err_submit_objects;
@@ -549,11 +547,15 @@ int etnaviv_ioctl_gem_submit(struct drm_device *dev, void *data,
}
if (args->flags & ETNA_SUBMIT_FENCE_FD_IN) {
- submit->in_fence = sync_file_get_fence(args->fence_fd);
- if (!submit->in_fence) {
+ struct dma_fence *in_fence = sync_file_get_fence(args->fence_fd);
+ if (!in_fence) {
ret = -EINVAL;
goto err_submit_objects;
}
+
+ ret = drm_sched_job_await_fence(&submit->sched_job, in_fence);
+ if (ret)
+ goto err_submit_objects;
}
ret = submit_pin_objects(submit);
@@ -579,7 +581,7 @@ int etnaviv_ioctl_gem_submit(struct drm_device *dev, void *data,
if (ret)
goto err_submit_objects;
- ret = etnaviv_sched_push_job(&ctx->sched_entity[args->pipe], submit);
+ ret = etnaviv_sched_push_job(submit);
if (ret)
goto err_submit_objects;
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_sched.c b/drivers/gpu/drm/etnaviv/etnaviv_sched.c
index 77995f190790..d62053b69953 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_sched.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_sched.c
@@ -17,58 +17,6 @@ module_param_named(job_hang_limit, etnaviv_job_hang_limit, int , 0444);
static int etnaviv_hw_jobs_limit = 4;
module_param_named(hw_job_limit, etnaviv_hw_jobs_limit, int , 0444);
-static struct dma_fence *
-etnaviv_sched_dependency(struct drm_sched_job *sched_job,
- struct drm_sched_entity *entity)
-{
- struct etnaviv_gem_submit *submit = to_etnaviv_submit(sched_job);
- struct dma_fence *fence;
- int i;
-
- if (unlikely(submit->in_fence)) {
- fence = submit->in_fence;
- submit->in_fence = NULL;
-
- if (!dma_fence_is_signaled(fence))
- return fence;
-
- dma_fence_put(fence);
- }
-
- for (i = 0; i < submit->nr_bos; i++) {
- struct etnaviv_gem_submit_bo *bo = &submit->bos[i];
- int j;
-
- if (bo->excl) {
- fence = bo->excl;
- bo->excl = NULL;
-
- if (!dma_fence_is_signaled(fence))
- return fence;
-
- dma_fence_put(fence);
- }
-
- for (j = 0; j < bo->nr_shared; j++) {
- if (!bo->shared[j])
- continue;
-
- fence = bo->shared[j];
- bo->shared[j] = NULL;
-
- if (!dma_fence_is_signaled(fence))
- return fence;
-
- dma_fence_put(fence);
- }
- kfree(bo->shared);
- bo->nr_shared = 0;
- bo->shared = NULL;
- }
-
- return NULL;
-}
-
static struct dma_fence *etnaviv_sched_run_job(struct drm_sched_job *sched_job)
{
struct etnaviv_gem_submit *submit = to_etnaviv_submit(sched_job);
@@ -140,14 +88,12 @@ static void etnaviv_sched_free_job(struct drm_sched_job *sched_job)
}
static const struct drm_sched_backend_ops etnaviv_sched_ops = {
- .dependency = etnaviv_sched_dependency,
.run_job = etnaviv_sched_run_job,
.timedout_job = etnaviv_sched_timedout_job,
.free_job = etnaviv_sched_free_job,
};
-int etnaviv_sched_push_job(struct drm_sched_entity *sched_entity,
- struct etnaviv_gem_submit *submit)
+int etnaviv_sched_push_job(struct etnaviv_gem_submit *submit)
{
int ret = 0;
@@ -158,11 +104,6 @@ int etnaviv_sched_push_job(struct drm_sched_entity *sched_entity,
*/
mutex_lock(&submit->gpu->fence_lock);
- ret = drm_sched_job_init(&submit->sched_job, sched_entity,
- submit->ctx);
- if (ret)
- goto out_unlock;
-
drm_sched_job_arm(&submit->sched_job);
submit->out_fence = dma_fence_get(&submit->sched_job.s_fence->finished);
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_sched.h b/drivers/gpu/drm/etnaviv/etnaviv_sched.h
index c0a6796e22c9..baebfa069afc 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_sched.h
+++ b/drivers/gpu/drm/etnaviv/etnaviv_sched.h
@@ -18,7 +18,6 @@ struct etnaviv_gem_submit *to_etnaviv_submit(struct drm_sched_job *sched_job)
int etnaviv_sched_init(struct etnaviv_gpu *gpu);
void etnaviv_sched_fini(struct etnaviv_gpu *gpu);
-int etnaviv_sched_push_job(struct drm_sched_entity *sched_entity,
- struct etnaviv_gem_submit *submit);
+int etnaviv_sched_push_job(struct etnaviv_gem_submit *submit);
#endif /* __ETNAVIV_SCHED_H__ */
--
2.32.0.rc2
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