From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id AB6B810E975 for ; Tue, 29 Mar 2022 13:49:52 +0000 (UTC) From: Kamil Konieczny To: igt-dev@lists.freedesktop.org Date: Tue, 29 Mar 2022 15:49:39 +0200 Message-Id: <20220329134940.103302-2-kamil.konieczny@linux.intel.com> In-Reply-To: <20220329134940.103302-1-kamil.konieczny@linux.intel.com> References: <20220329134940.103302-1-kamil.konieczny@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: [igt-dev] [PATCH i-g-t 1/2] lib/intel_batchbuffer: add create without relocs List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" List-ID: There is create function with relocations, so add its counterpart without it. v3: moved down after intel_bb_create_with_relocs_and_context, added function description (Zbigniew review) v2: change to HIGH_TO_LOW allocation (Zbigniew) Signed-off-by: Kamil Konieczny Cc: Zbigniew Kempczyński --- lib/intel_batchbuffer.c | 21 +++++++++++++++++++++ lib/intel_batchbuffer.h | 1 + 2 files changed, 22 insertions(+) diff --git a/lib/intel_batchbuffer.c b/lib/intel_batchbuffer.c index 2cd472d1..ebf3c598 100644 --- a/lib/intel_batchbuffer.c +++ b/lib/intel_batchbuffer.c @@ -1558,6 +1558,27 @@ intel_bb_create_with_relocs_and_context(int i915, uint32_t ctx, uint32_t size) INTEL_ALLOCATOR_NONE, ALLOC_STRATEGY_NONE); } +/** + * intel_bb_create_no_relocs: + * @i915: drm fd + * @size: size of the batchbuffer + * + * Creates bb with disabled relocations. + * This enables passing addresses and requires pinning objects. + * + * Returns: + * + * Pointer the intel_bb, asserts on failure. + */ +struct intel_bb *intel_bb_create_no_relocs(int i915, uint32_t size) +{ + igt_require(gem_uses_full_ppgtt(i915)); + + return __intel_bb_create(i915, 0, size, false, 0, 0, + INTEL_ALLOCATOR_SIMPLE, + ALLOC_STRATEGY_HIGH_TO_LOW); +} + static void __intel_bb_destroy_relocations(struct intel_bb *ibb) { uint32_t i; diff --git a/lib/intel_batchbuffer.h b/lib/intel_batchbuffer.h index 75d41ea3..36b6b61d 100644 --- a/lib/intel_batchbuffer.h +++ b/lib/intel_batchbuffer.h @@ -526,6 +526,7 @@ intel_bb_create_with_context(int i915, uint32_t ctx, uint32_t size); struct intel_bb *intel_bb_create_with_relocs(int i915, uint32_t size); struct intel_bb * intel_bb_create_with_relocs_and_context(int i915, uint32_t ctx, uint32_t size); +struct intel_bb *intel_bb_create_no_relocs(int i915, uint32_t size); void intel_bb_destroy(struct intel_bb *ibb); /* make it safe to use intel_allocator after failed test */ -- 2.32.0