[PATCH 4/5] drm/i915: Account ring buffer and context state storage

[Tvrtko Ursulin]

From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>

Account ring buffers and logical context space against the owning client
memory usage stats.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
---
 drivers/gpu/drm/i915/gem/i915_gem_context.c |  6 ++++++
 drivers/gpu/drm/i915/i915_drm_client.c      | 10 ++++++++++
 drivers/gpu/drm/i915/i915_drm_client.h      |  9 +++++++++
 3 files changed, 25 insertions(+)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c
index 35cf6608180e..3f4c74aed3c5 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c
@@ -1703,6 +1703,8 @@ static void gem_context_register(struct i915_gem_context *ctx,
 				 u32 id)
 {
 	struct drm_i915_private *i915 = ctx->i915;
+	struct i915_gem_engines_iter it;
+	struct intel_context *ce;
 	void *old;
 
 	ctx->file_priv = fpriv;
@@ -1721,6 +1723,10 @@ static void gem_context_register(struct i915_gem_context *ctx,
 	list_add_tail(&ctx->link, &i915->gem.contexts.list);
 	spin_unlock(&i915->gem.contexts.lock);
 
+	for_each_gem_engine(ce, i915_gem_context_lock_engines(ctx), it)
+		i915_drm_client_add_context(fpriv->client, ce);
+	i915_gem_context_unlock_engines(ctx);
+
 	/* And finally expose ourselves to userspace via the idr */
 	old = xa_store(&fpriv->context_xa, id, ctx, GFP_KERNEL);
 	WARN_ON(old);
diff --git a/drivers/gpu/drm/i915/i915_drm_client.c b/drivers/gpu/drm/i915/i915_drm_client.c
index 4cacca568375..777930f4995f 100644
--- a/drivers/gpu/drm/i915/i915_drm_client.c
+++ b/drivers/gpu/drm/i915/i915_drm_client.c
@@ -142,4 +142,14 @@ void i915_drm_client_remove_object(struct drm_i915_gem_object *obj)
 
 	i915_drm_client_put(client);
 }
+
+void i915_drm_client_add_context(struct i915_drm_client *client,
+				 struct intel_context *ce)
+{
+	if (ce->state)
+		i915_drm_client_add_object(client, ce->state->obj);
+
+	if (ce->ring != ce->engine->legacy.ring && ce->ring->vma)
+		i915_drm_client_add_object(client, ce->ring->vma->obj);
+}
 #endif
diff --git a/drivers/gpu/drm/i915/i915_drm_client.h b/drivers/gpu/drm/i915/i915_drm_client.h
index 0db68b4d7a4f..a5c29a105af3 100644
--- a/drivers/gpu/drm/i915/i915_drm_client.h
+++ b/drivers/gpu/drm/i915/i915_drm_client.h
@@ -15,6 +15,7 @@
 
 #include "i915_file_private.h"
 #include "gem/i915_gem_object_types.h"
+#include "gt/intel_context_types.h"
 
 #define I915_LAST_UABI_ENGINE_CLASS I915_ENGINE_CLASS_COMPUTE
 
@@ -73,6 +74,8 @@ void i915_drm_client_fdinfo(struct drm_printer *p, struct drm_file *file);
 void i915_drm_client_add_object(struct i915_drm_client *client,
 				struct drm_i915_gem_object *obj);
 void i915_drm_client_remove_object(struct drm_i915_gem_object *obj);
+void i915_drm_client_add_context(struct i915_drm_client *client,
+				 struct intel_context *ce);
 #else
 static inline void i915_drm_client_add_object(struct i915_drm_client *client,
 					      struct drm_i915_gem_object *obj)
@@ -83,6 +86,12 @@ static inline void i915_drm_client_add_object(struct i915_drm_client *client,
 static inline void i915_drm_client_remove_object(struct drm_i915_gem_object *obj)
 {
 
+}
+
+static inline void i915_drm_client_add_context(struct i915_drm_client *client,
+					       struct intel_context *ce)
+{
+
 }
 #endif
 
-- 
2.39.2