From e2d0ff3525b9be7287c583708ff2475c623cfa5c Mon Sep 17 00:00:00 2001 From: Tvrtko Ursulin Date: Fri, 1 Apr 2022 15:22:04 +0100 Subject: [PATCH] drm/i915: Count engine instances per uabi class This will be useful to have at hand in a following patch. Signed-off-by: Tvrtko Ursulin Reviewed-by: Umesh Nerlige Ramappa Link: https://patchwork.freedesktop.org/patch/msgid/20220401142205.3123159-8-tvrtko.ursulin@linux.intel.com --- drivers/gpu/drm/i915/gt/intel_engine_user.c | 11 ++++++----- drivers/gpu/drm/i915/i915_drv.h | 1 + 2 files changed, 7 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/intel_engine_user.c b/drivers/gpu/drm/i915/gt/intel_engine_user.c index b8c9b6b..0f6cd96 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_user.c +++ b/drivers/gpu/drm/i915/gt/intel_engine_user.c @@ -193,7 +193,6 @@ static void add_legacy_ring(struct legacy_ring *ring, void intel_engines_driver_register(struct drm_i915_private *i915) { struct legacy_ring ring = {}; - u8 uabi_instances[5] = {}; struct list_head *it, *next; struct rb_node **p, *prev; LIST_HEAD(engines); @@ -214,8 +213,10 @@ void intel_engines_driver_register(struct drm_i915_private *i915) GEM_BUG_ON(engine->class >= ARRAY_SIZE(uabi_classes)); engine->uabi_class = uabi_classes[engine->class]; - GEM_BUG_ON(engine->uabi_class >= ARRAY_SIZE(uabi_instances)); - engine->uabi_instance = uabi_instances[engine->uabi_class]++; + GEM_BUG_ON(engine->uabi_class >= + ARRAY_SIZE(i915->engine_uabi_class_count)); + engine->uabi_instance = + i915->engine_uabi_class_count[engine->uabi_class]++; /* Replace the internal name with the final user facing name */ memcpy(old, engine->name, sizeof(engine->name)); @@ -245,8 +246,8 @@ void intel_engines_driver_register(struct drm_i915_private *i915) int class, inst; int errors = 0; - for (class = 0; class < ARRAY_SIZE(uabi_instances); class++) { - for (inst = 0; inst < uabi_instances[class]; inst++) { + for (class = 0; class < ARRAY_SIZE(i915->engine_uabi_class_count); class++) { + for (inst = 0; inst < i915->engine_uabi_class_count[class]; inst++) { engine = intel_engine_lookup_user(i915, class, inst); if (!engine) { diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index b88f8ef..fd8a423 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -533,6 +533,7 @@ struct drm_i915_private { struct pci_dev *bridge_dev; struct rb_root uabi_engines; + unsigned int engine_uabi_class_count[I915_LAST_UABI_ENGINE_CLASS + 1]; struct resource mch_res; -- 2.7.4