From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9B8056EA1D for ; Wed, 22 Apr 2020 15:48:00 +0000 (UTC) Date: Wed, 22 Apr 2020 08:47:45 -0700 From: Umesh Nerlige Ramappa Message-ID: <20200422154745.GA27960@orsosgc001.amr.corp.intel.com> References: <20200421182237.7743-1-umesh.nerlige.ramappa@intel.com> <5559c6ff-8cba-7f84-0490-879a5dc3e2dc@intel.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <5559c6ff-8cba-7f84-0490-879a5dc3e2dc@intel.com> Subject: Re: [igt-dev] [PATCH i-g-t] tests/perf: Fix B0 counter check in gen12-mi-rpc List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" To: Lionel Landwerlin Cc: igt-dev@lists.freedesktop.org List-ID: On Tue, Apr 21, 2020 at 11:06:27PM +0300, Lionel Landwerlin wrote: >On 21/04/2020 21:22, Umesh Nerlige Ramappa wrote: >>The gen12-mi-rpc test checks for B0 counter to be zero, however, >>occassionally the counter reads a non-zero value. To ensure the test >>works as expected, we check B0 with the preset value. > > >What the value being reported? > > >Sounds like we should ask around see if there isn't a deeper problem >with the HW configuration. > I have seen values 0x121 and 0x1ec. The issue occurs sometimes on reboots. Subsequent runs I see that the counter is 0. Thanks, Umesh > >-Lionel > > >> >>Signed-off-by: Umesh Nerlige Ramappa >>Fixes: https://gitlab.freedesktop.org/drm/intel/-/issues/1085 >>--- >> tests/perf.c | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >>diff --git a/tests/perf.c b/tests/perf.c >>index b7d5e50e..9d0ed45c 100644 >>--- a/tests/perf.c >>+++ b/tests/perf.c >>@@ -3002,7 +3002,7 @@ gen12_test_mi_rpc(void) >> */ >> igt_assert_eq(report32[0], REPORT_ID); >> igt_assert_neq(report32[1], 0); >>- igt_assert_eq(report32[format.b_off >> 2], 0); >>+ igt_assert_neq(report32[format.b_off >> 2], 0x80808080); >> igt_assert_eq(report32[format_size_32], 0x80808080); >> drm_intel_bo_unmap(bo); > > _______________________________________________ igt-dev mailing list igt-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/igt-dev