From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id B6FF310E0E9 for ; Mon, 18 Sep 2023 16:48:22 +0000 (UTC) From: Nirmoy Das To: igt-dev@lists.freedesktop.org Date: Mon, 18 Sep 2023 18:47:44 +0200 Message-ID: <20230918164747.30171-2-nirmoy.das@intel.com> In-Reply-To: <20230918164747.30171-1-nirmoy.das@intel.com> References: <20230918164747.30171-1-nirmoy.das@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [igt-dev] [PATCH i-g-t 1/4] lib/igt_gt: Add gem_engine_can_block_ggtt_binder List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: andi.shyti@intel.com, oak.zeng@intel.com, Nirmoy Das Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" List-ID: On MTL GGTT updates happens through MI_UPDATE_GGTT command. Add a method to detect if a engine can block ggtt binder. Signed-off-by: Nirmoy Das Reviewed-by: Kamil Konieczny --- lib/igt_gt.c | 15 +++++++++++++++ lib/igt_gt.h | 2 ++ 2 files changed, 17 insertions(+) diff --git a/lib/igt_gt.c b/lib/igt_gt.c index a24a566c7..aa5e75b07 100644 --- a/lib/igt_gt.c +++ b/lib/igt_gt.c @@ -659,3 +659,18 @@ int gem_execbuf_flags_to_engine_class(unsigned int flags) igt_assert(0); } } + +/** + * gem_engine_can_block_ggtt_binder: + * @fd: open i915 drm file descriptor + * @engine: engine to be assessed + * + * Detect if the platform needs blitter based GGTT + * updates. + */ +bool gem_engine_can_block_ggtt_binder(int fd, + const struct intel_execution_engine2 *engine) +{ + return IS_METEORLAKE(intel_get_drm_devid(fd)) && + engine->class == I915_ENGINE_CLASS_COPY; +} diff --git a/lib/igt_gt.h b/lib/igt_gt.h index 3d10349e4..d0c5510b1 100644 --- a/lib/igt_gt.h +++ b/lib/igt_gt.h @@ -83,5 +83,7 @@ extern const struct intel_execution_engine2 { } intel_execution_engines2[]; int gem_execbuf_flags_to_engine_class(unsigned int flags); +bool gem_engine_can_block_ggtt_binder(int fd, + const struct intel_execution_engine2 *engine); #endif /* IGT_GT_H */ -- 2.41.0