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-rw-r--r--drivers/gpu/drm/i915/gem/i915_gem_context.c11
-rw-r--r--drivers/gpu/drm/i915/gt/intel_context.c4
-rw-r--r--drivers/gpu/drm/i915/gt/intel_execlists_submission.c38
-rw-r--r--drivers/gpu/drm/i915/gt/intel_lrc.c4
-rw-r--r--drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c2
5 files changed, 51 insertions, 8 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c
index 1f8d7bb32d39..db4d03a35719 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c
@@ -570,10 +570,6 @@ set_proto_ctx_engines_parallel_submit(struct i915_user_extension __user *base,
struct intel_engine_cs **siblings = NULL;
intel_engine_mask_t prev_mask;
- /* FIXME: This is NIY for execlists */
- if (!(intel_uc_uses_guc_submission(&to_gt(i915)->uc)))
- return -ENODEV;
-
if (get_user(slot, &ext->engine_index))
return -EFAULT;
@@ -583,6 +579,13 @@ set_proto_ctx_engines_parallel_submit(struct i915_user_extension __user *base,
if (get_user(num_siblings, &ext->num_siblings))
return -EFAULT;
+ if (!intel_uc_uses_guc_submission(&to_gt(i915)->uc) &&
+ num_siblings != 1) {
+ drm_dbg(&i915->drm, "Only 1 sibling (%d) supported in non-GuC mode\n",
+ num_siblings);
+ return -EINVAL;
+ }
+
if (slot >= set->num_engines) {
drm_dbg(&i915->drm, "Invalid placement value, %d >= %d\n",
slot, set->num_engines);
diff --git a/drivers/gpu/drm/i915/gt/intel_context.c b/drivers/gpu/drm/i915/gt/intel_context.c
index ba083d800a08..5d0ec7c49b6a 100644
--- a/drivers/gpu/drm/i915/gt/intel_context.c
+++ b/drivers/gpu/drm/i915/gt/intel_context.c
@@ -79,7 +79,8 @@ static int intel_context_active_acquire(struct intel_context *ce)
__i915_active_acquire(&ce->active);
- if (intel_context_is_barrier(ce) || intel_engine_uses_guc(ce->engine))
+ if (intel_context_is_barrier(ce) || intel_engine_uses_guc(ce->engine) ||
+ intel_context_is_parallel(ce))
return 0;
/* Preallocate tracking nodes */
@@ -563,7 +564,6 @@ void intel_context_bind_parent_child(struct intel_context *parent,
* Callers responsibility to validate that this function is used
* correctly but we use GEM_BUG_ON here ensure that they do.
*/
- GEM_BUG_ON(!intel_engine_uses_guc(parent->engine));
GEM_BUG_ON(intel_context_is_pinned(parent));
GEM_BUG_ON(intel_context_is_child(parent));
GEM_BUG_ON(intel_context_is_pinned(child));
diff --git a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
index a69df5e9e77a..be56d0b41892 100644
--- a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
+++ b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
@@ -2599,6 +2599,43 @@ static void execlists_context_cancel_request(struct intel_context *ce,
current->comm);
}
+static struct intel_context *
+execlists_create_parallel(struct intel_engine_cs **engines,
+ unsigned int num_siblings,
+ unsigned int width)
+{
+ struct intel_context *parent = NULL, *ce, *err;
+ int i;
+
+ GEM_BUG_ON(num_siblings != 1);
+
+ for (i = 0; i < width; ++i) {
+ ce = intel_context_create(engines[i]);
+ if (IS_ERR(ce)) {
+ err = ce;
+ goto unwind;
+ }
+
+ if (i == 0)
+ parent = ce;
+ else
+ intel_context_bind_parent_child(parent, ce);
+ }
+
+ parent->parallel.fence_context = dma_fence_context_alloc(1);
+
+ intel_context_set_nopreempt(parent);
+ for_each_child(parent, ce)
+ intel_context_set_nopreempt(ce);
+
+ return parent;
+
+unwind:
+ if (parent)
+ intel_context_put(parent);
+ return err;
+}
+
static const struct intel_context_ops execlists_context_ops = {
.flags = COPS_HAS_INFLIGHT,
@@ -2617,6 +2654,7 @@ static const struct intel_context_ops execlists_context_ops = {
.reset = lrc_reset,
.destroy = lrc_destroy,
+ .create_parallel = execlists_create_parallel,
.create_virtual = execlists_create_virtual,
};
diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
index b3489599e4de..84456ffeb4cd 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -1065,6 +1065,10 @@ lrc_pin(struct intel_context *ce,
void lrc_unpin(struct intel_context *ce)
{
+ if (unlikely(ce->parallel.last_rq)) {
+ i915_request_put(ce->parallel.last_rq);
+ ce->parallel.last_rq = NULL;
+ }
check_redzone((void *)ce->lrc_reg_state - LRC_STATE_OFFSET,
ce->engine);
}
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
index 0fbf24b8d5e1..06ebcea3c6a2 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
@@ -3248,8 +3248,6 @@ static void guc_parent_context_unpin(struct intel_context *ce)
GEM_BUG_ON(!intel_context_is_parent(ce));
GEM_BUG_ON(!intel_engine_is_virtual(ce->engine));
- if (ce->parallel.last_rq)
- i915_request_put(ce->parallel.last_rq);
unpin_guc_id(guc, ce);
lrc_unpin(ce);
}