From 9acc99d8f278e3da398e927774431bd3e947ab2e Mon Sep 17 00:00:00 2001 From: Tvrtko Ursulin Date: Fri, 22 Nov 2019 10:41:15 +0000 Subject: [PATCH] drm/i915/query: Align flavour of engine data lookup Commit 750e76b4f9f6 ("drm/i915/gt: Move the [class][inst] lookup for engines onto the GT") changed the engine query to iterate over uabi engines but left the buffer size calculation look at the physical engine count. Difference has no practical consequence but it is nicer to align both queries. Signed-off-by: Tvrtko Ursulin Fixes: 750e76b4f9f6 ("drm/i915/gt: Move the [class][inst] lookup for engines onto the GT") Cc: Chris Wilson Cc: Daniele Ceraolo Spurio Reviewed-by: Chris Wilson Signed-off-by: Chris Wilson Link: https://patchwork.freedesktop.org/patch/msgid/20191122104115.29610-1-tvrtko.ursulin@linux.intel.com --- drivers/gpu/drm/i915/i915_query.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_query.c b/drivers/gpu/drm/i915/i915_query.c index c27cfef9..ef25ce6 100644 --- a/drivers/gpu/drm/i915/i915_query.c +++ b/drivers/gpu/drm/i915/i915_query.c @@ -103,15 +103,18 @@ query_engine_info(struct drm_i915_private *i915, struct drm_i915_engine_info __user *info_ptr; struct drm_i915_query_engine_info query; struct drm_i915_engine_info info = { }; + unsigned int num_uabi_engines = 0; struct intel_engine_cs *engine; int len, ret; if (query_item->flags) return -EINVAL; + for_each_uabi_engine(engine, i915) + num_uabi_engines++; + len = sizeof(struct drm_i915_query_engine_info) + - RUNTIME_INFO(i915)->num_engines * - sizeof(struct drm_i915_engine_info); + num_uabi_engines * sizeof(struct drm_i915_engine_info); ret = copy_query_item(&query, sizeof(query), len, query_item); if (ret != 0) -- 2.7.4