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path: root/drivers/gpu/drm/v3d/v3d_sched.c
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Diffstat (limited to 'drivers/gpu/drm/v3d/v3d_sched.c')
-rw-r--r--drivers/gpu/drm/v3d/v3d_sched.c121
1 files changed, 114 insertions, 7 deletions
diff --git a/drivers/gpu/drm/v3d/v3d_sched.c b/drivers/gpu/drm/v3d/v3d_sched.c
index 739f399308ce..ad2245701dda 100644
--- a/drivers/gpu/drm/v3d/v3d_sched.c
+++ b/drivers/gpu/drm/v3d/v3d_sched.c
@@ -48,6 +48,12 @@ to_tfu_job(struct drm_sched_job *sched_job)
return container_of(sched_job, struct v3d_tfu_job, base.base);
}
+static struct v3d_csd_job *
+to_csd_job(struct drm_sched_job *sched_job)
+{
+ return container_of(sched_job, struct v3d_csd_job, base.base);
+}
+
static void
v3d_job_free(struct drm_sched_job *sched_job)
{
@@ -243,6 +249,48 @@ v3d_tfu_job_run(struct drm_sched_job *sched_job)
return fence;
}
+static struct dma_fence *
+v3d_csd_job_run(struct drm_sched_job *sched_job)
+{
+ struct v3d_csd_job *job = to_csd_job(sched_job);
+ struct v3d_dev *v3d = job->base.v3d;
+ struct drm_device *dev = &v3d->drm;
+ struct dma_fence *fence;
+ int i;
+
+ v3d->csd_job = job;
+
+ v3d_invalidate_caches(v3d);
+
+ fence = v3d_fence_create(v3d, V3D_CSD);
+ if (IS_ERR(fence))
+ return NULL;
+
+ if (job->base.irq_fence)
+ dma_fence_put(job->base.irq_fence);
+ job->base.irq_fence = dma_fence_get(fence);
+
+ trace_v3d_submit_csd(dev, to_v3d_fence(fence)->seqno);
+
+ for (i = 1; i <= 6; i++)
+ V3D_CORE_WRITE(0, V3D_CSD_QUEUED_CFG0 + 4 * i, job->args.cfg[i]);
+ /* CFG0 write kicks off the job. */
+ V3D_CORE_WRITE(0, V3D_CSD_QUEUED_CFG0, job->args.cfg[0]);
+
+ return fence;
+}
+
+static struct dma_fence *
+v3d_cache_clean_job_run(struct drm_sched_job *sched_job)
+{
+ struct v3d_job *job = to_v3d_job(sched_job);
+ struct v3d_dev *v3d = job->v3d;
+
+ v3d_clean_caches(v3d);
+
+ return NULL;
+}
+
static void
v3d_gpu_reset_for_timeout(struct v3d_dev *v3d, struct drm_sched_job *sched_job)
{
@@ -313,13 +361,31 @@ v3d_render_job_timedout(struct drm_sched_job *sched_job)
}
static void
-v3d_tfu_job_timedout(struct drm_sched_job *sched_job)
+v3d_generic_job_timedout(struct drm_sched_job *sched_job)
{
struct v3d_job *job = to_v3d_job(sched_job);
v3d_gpu_reset_for_timeout(job->v3d, sched_job);
}
+static void
+v3d_csd_job_timedout(struct drm_sched_job *sched_job)
+{
+ struct v3d_csd_job *job = to_csd_job(sched_job);
+ struct v3d_dev *v3d = job->base.v3d;
+ u32 batches = V3D_CORE_READ(0, V3D_CSD_CURRENT_CFG4);
+
+ /* If we've made progress, skip reset and let the timer get
+ * rearmed.
+ */
+ if (job->timedout_batches != batches) {
+ job->timedout_batches = batches;
+ return;
+ }
+
+ v3d_gpu_reset_for_timeout(v3d, sched_job);
+}
+
static const struct drm_sched_backend_ops v3d_bin_sched_ops = {
.dependency = v3d_job_dependency,
.run_job = v3d_bin_job_run,
@@ -337,10 +403,24 @@ static const struct drm_sched_backend_ops v3d_render_sched_ops = {
static const struct drm_sched_backend_ops v3d_tfu_sched_ops = {
.dependency = v3d_job_dependency,
.run_job = v3d_tfu_job_run,
- .timedout_job = v3d_tfu_job_timedout,
+ .timedout_job = v3d_generic_job_timedout,
.free_job = v3d_job_free,
};
+static const struct drm_sched_backend_ops v3d_csd_sched_ops = {
+ .dependency = v3d_job_dependency,
+ .run_job = v3d_csd_job_run,
+ .timedout_job = v3d_csd_job_timedout,
+ .free_job = v3d_job_free
+};
+
+static const struct drm_sched_backend_ops v3d_cache_clean_sched_ops = {
+ .dependency = v3d_job_dependency,
+ .run_job = v3d_cache_clean_job_run,
+ .timedout_job = v3d_generic_job_timedout,
+ .free_job = v3d_job_free
+};
+
int
v3d_sched_init(struct v3d_dev *v3d)
{
@@ -367,7 +447,7 @@ v3d_sched_init(struct v3d_dev *v3d)
if (ret) {
dev_err(v3d->dev, "Failed to create render scheduler: %d.",
ret);
- drm_sched_fini(&v3d->queue[V3D_BIN].sched);
+ v3d_sched_fini(v3d);
return ret;
}
@@ -379,11 +459,36 @@ v3d_sched_init(struct v3d_dev *v3d)
if (ret) {
dev_err(v3d->dev, "Failed to create TFU scheduler: %d.",
ret);
- drm_sched_fini(&v3d->queue[V3D_RENDER].sched);
- drm_sched_fini(&v3d->queue[V3D_BIN].sched);
+ v3d_sched_fini(v3d);
return ret;
}
+ if (v3d_has_csd(v3d)) {
+ ret = drm_sched_init(&v3d->queue[V3D_CSD].sched,
+ &v3d_csd_sched_ops,
+ hw_jobs_limit, job_hang_limit,
+ msecs_to_jiffies(hang_limit_ms),
+ "v3d_csd");
+ if (ret) {
+ dev_err(v3d->dev, "Failed to create CSD scheduler: %d.",
+ ret);
+ v3d_sched_fini(v3d);
+ return ret;
+ }
+
+ ret = drm_sched_init(&v3d->queue[V3D_CACHE_CLEAN].sched,
+ &v3d_cache_clean_sched_ops,
+ hw_jobs_limit, job_hang_limit,
+ msecs_to_jiffies(hang_limit_ms),
+ "v3d_cache_clean");
+ if (ret) {
+ dev_err(v3d->dev, "Failed to create CACHE_CLEAN scheduler: %d.",
+ ret);
+ v3d_sched_fini(v3d);
+ return ret;
+ }
+ }
+
return 0;
}
@@ -392,6 +497,8 @@ v3d_sched_fini(struct v3d_dev *v3d)
{
enum v3d_queue q;
- for (q = 0; q < V3D_MAX_QUEUES; q++)
- drm_sched_fini(&v3d->queue[q].sched);
+ for (q = 0; q < V3D_MAX_QUEUES; q++) {
+ if (v3d->queue[q].sched.ready)
+ drm_sched_fini(&v3d->queue[q].sched);
+ }
}