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
