@@ -388,6 +388,9 @@ struct intel_engine_cs {
u32 context_size;
u32 mmio_base;
+ struct kobject *kobj;
+ struct kobject *kobj_defaults;
+
struct intel_engine_tlb_inv tlb_inv;
/*
@@ -479,6 +479,8 @@ static void add_defaults(struct kobj_engine *parent)
if (intel_engine_has_preempt_reset(ke->engine) &&
sysfs_create_file(&ke->base, &preempt_timeout_def.attr))
return;
+
+ parent->engine->kobj_defaults = &ke->base;
}
void intel_engines_add_sysfs(struct drm_i915_private *i915)
@@ -506,6 +508,8 @@ 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 +530,8 @@ 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);
@@ -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;
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@linux.intel.com> --- drivers/gpu/drm/i915/gt/intel_engine_types.h | 3 +++ drivers/gpu/drm/i915/gt/sysfs_engines.c | 6 ++++++ drivers/gpu/drm/i915/i915_drv.h | 1 + 3 files changed, 10 insertions(+)