From patchwork Tue Aug 20 23:05:36 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Summers, Stuart" X-Patchwork-Id: 11104793 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 23BC01395 for ; Tue, 20 Aug 2019 23:05:08 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0C47420C01 for ; Tue, 20 Aug 2019 23:05:08 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0C47420C01 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 301626E8A7; Tue, 20 Aug 2019 23:05:07 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id 06E516E8A0 for ; Tue, 20 Aug 2019 23:04:54 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 20 Aug 2019 16:04:53 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,410,1559545200"; d="scan'208";a="377944604" Received: from jssummer-xeon.ra.intel.com ([10.23.184.90]) by fmsmga005.fm.intel.com with ESMTP; 20 Aug 2019 16:04:53 -0700 From: Stuart Summers To: intel-gfx@lists.freedesktop.org Date: Tue, 20 Aug 2019 16:05:36 -0700 Message-Id: <20190820230544.170010-4-stuart.summers@intel.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190820230544.170010-1-stuart.summers@intel.com> References: <20190820230544.170010-1-stuart.summers@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 03/11] drm/i915: Add subslice stride runtime parameter X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Add a new parameter, ss_stride, to the runtime info structure. This is used to mirror the userspace concept of subslice stride, which is a range of subslices per slice. This patch simply adds the definition and updates usage in the QUERY_TOPOLOGY_INFO handler. Signed-off-by: Stuart Summers Reviewed-by: Chris Wilson --- drivers/gpu/drm/i915/gt/intel_sseu.c | 2 ++ drivers/gpu/drm/i915/gt/intel_sseu.h | 2 ++ drivers/gpu/drm/i915/i915_query.c | 5 ++--- 3 files changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/intel_sseu.c b/drivers/gpu/drm/i915/gt/intel_sseu.c index 6727079eb9b6..5b8246138020 100644 --- a/drivers/gpu/drm/i915/gt/intel_sseu.c +++ b/drivers/gpu/drm/i915/gt/intel_sseu.c @@ -14,6 +14,8 @@ void intel_sseu_set_info(struct sseu_dev_info *sseu, u8 max_slices, sseu->max_slices = max_slices; sseu->max_subslices = max_subslices; sseu->max_eus_per_subslice = max_eus_per_subslice; + + sseu->ss_stride = GEN_SSEU_STRIDE(sseu->max_subslices); } unsigned int diff --git a/drivers/gpu/drm/i915/gt/intel_sseu.h b/drivers/gpu/drm/i915/gt/intel_sseu.h index 64e47dad07be..b0101e1c69bd 100644 --- a/drivers/gpu/drm/i915/gt/intel_sseu.h +++ b/drivers/gpu/drm/i915/gt/intel_sseu.h @@ -33,6 +33,8 @@ struct sseu_dev_info { u8 max_subslices; u8 max_eus_per_subslice; + u8 ss_stride; + /* We don't have more than 8 eus per subslice at the moment and as we * store eus enabled using bits, no need to multiply by eus per * subslice. diff --git a/drivers/gpu/drm/i915/i915_query.c b/drivers/gpu/drm/i915/i915_query.c index ad9240a0817a..d8e25dcf5f0b 100644 --- a/drivers/gpu/drm/i915/i915_query.c +++ b/drivers/gpu/drm/i915/i915_query.c @@ -37,7 +37,6 @@ static int query_topology_info(struct drm_i915_private *dev_priv, const struct sseu_dev_info *sseu = &RUNTIME_INFO(dev_priv)->sseu; struct drm_i915_query_topology_info topo; u32 slice_length, subslice_length, eu_length, total_length; - u8 subslice_stride = GEN_SSEU_STRIDE(sseu->max_subslices); u8 eu_stride = GEN_SSEU_STRIDE(sseu->max_eus_per_subslice); int ret; @@ -50,7 +49,7 @@ static int query_topology_info(struct drm_i915_private *dev_priv, BUILD_BUG_ON(sizeof(u8) != sizeof(sseu->slice_mask)); slice_length = sizeof(sseu->slice_mask); - subslice_length = sseu->max_slices * subslice_stride; + subslice_length = sseu->max_slices * sseu->ss_stride; eu_length = sseu->max_slices * sseu->max_subslices * eu_stride; total_length = sizeof(topo) + slice_length + subslice_length + eu_length; @@ -69,7 +68,7 @@ static int query_topology_info(struct drm_i915_private *dev_priv, topo.max_eus_per_subslice = sseu->max_eus_per_subslice; topo.subslice_offset = slice_length; - topo.subslice_stride = subslice_stride; + topo.subslice_stride = sseu->ss_stride; topo.eu_offset = slice_length + subslice_length; topo.eu_stride = eu_stride;