From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.126]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2A2B410E9A1 for ; Thu, 14 Dec 2023 20:13:28 +0000 (UTC) From: Marcin Bernatowicz To: igt-dev@lists.freedesktop.org Subject: [PATCH v2 i-g-t 2/2] benchmarks/gem_wsim: Fix mmap for discrete graphics cards Date: Thu, 14 Dec 2023 21:13:02 +0100 Message-Id: <20231214201302.29844-3-marcin.bernatowicz@linux.intel.com> In-Reply-To: <20231214201302.29844-1-marcin.bernatowicz@linux.intel.com> References: <20231214201302.29844-1-marcin.bernatowicz@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" List-ID: It appears that 'gem_mmap__wc' doesn't work for discrete graphics cards and 'I915_MMAP_OFFSET_FIXED' is needed instead. Adopt the mapping approach from 'lib/igt_dummyload'. Signed-off-by: Marcin Bernatowicz --- benchmarks/gem_wsim.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/benchmarks/gem_wsim.c b/benchmarks/gem_wsim.c index a1db37d4e..eafd9cab8 100644 --- a/benchmarks/gem_wsim.c +++ b/benchmarks/gem_wsim.c @@ -1502,7 +1502,16 @@ static unsigned int create_bb(struct w_step *w, int self) gem_set_domain(fd, w->bb_handle, I915_GEM_DOMAIN_WC, I915_GEM_DOMAIN_WC); - cs = ptr = gem_mmap__wc(fd, w->bb_handle, 0, w->bb_size, PROT_WRITE); + if (__gem_set_caching(fd, w->bb_handle, + I915_CACHING_CACHED) == 0) { + cs = ptr = gem_mmap__cpu(fd, w->bb_handle, + 0, w->bb_size, + PROT_READ | PROT_WRITE); + } else + cs = ptr = gem_mmap__device_coherent(fd, + w->bb_handle, + 0, w->bb_size, + PROT_READ | PROT_WRITE); /* Store initial 64b timestamp: start */ *cs++ = MI_LOAD_REGISTER_IMM(1) | MI_CS_MMIO_DST; -- 2.31.1