[PATCH v3 10/15] drm/i915/gt: Store engine-related sysfs kobjects

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Upcoming commits will need to access engine-related kobjects to
enable the creation and destruction of sysfs interfaces at
runtime.

For this, store the "engine" directory (i915->sysfs_engine), the
engine files (gt->kobj), and the default data
(gt->kobj_defaults).

Signed-off-by: Andi Shyti <andi.shyti@xxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/gt/intel_engine_types.h | 2 ++
 drivers/gpu/drm/i915/gt/sysfs_engines.c      | 4 ++++
 drivers/gpu/drm/i915/i915_drv.h              | 1 +
 3 files changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/i915/gt/intel_engine_types.h b/drivers/gpu/drm/i915/gt/intel_engine_types.h
index ba55c059063d..cdc695fda918 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_types.h
+++ b/drivers/gpu/drm/i915/gt/intel_engine_types.h
@@ -388,6 +388,8 @@ struct intel_engine_cs {
 	u32 context_size;
 	u32 mmio_base;
 
+	struct kobject *kobj;
+
 	struct intel_engine_tlb_inv tlb_inv;
 
 	/*
diff --git a/drivers/gpu/drm/i915/gt/sysfs_engines.c b/drivers/gpu/drm/i915/gt/sysfs_engines.c
index 021f51d9b456..f67f76df1cfe 100644
--- a/drivers/gpu/drm/i915/gt/sysfs_engines.c
+++ b/drivers/gpu/drm/i915/gt/sysfs_engines.c
@@ -506,6 +506,8 @@ void intel_engines_add_sysfs(struct drm_i915_private *i915)
 	if (!dir)
 		return;
 
+	i915->sysfs_engine = dir;
+
 	for_each_uabi_engine(engine, i915) {
 		struct kobject *kobj;
 
@@ -526,6 +528,8 @@ void intel_engines_add_sysfs(struct drm_i915_private *i915)
 
 		add_defaults(container_of(kobj, struct kobj_engine, base));
 
+		engine->kobj = kobj;
+
 		if (0) {
 err_object:
 			kobject_put(kobj);
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 94f7f6cc444c..3a8a757f5bd5 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -320,6 +320,7 @@ struct drm_i915_private {
 	struct intel_gt *gt[I915_MAX_GT];
 
 	struct kobject *sysfs_gt;
+	struct kobject *sysfs_engine;
 
 	/* Quick lookup of media GT (current platforms only have one) */
 	struct intel_gt *media_gt;
-- 
2.45.2




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