From patchwork Mon Aug 19 21:18:45 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Summers, Stuart" X-Patchwork-Id: 11101947 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 414C51395 for ; Mon, 19 Aug 2019 21:18:01 +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 2AEFA214DA for ; Mon, 19 Aug 2019 21:18:01 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2AEFA214DA 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 8F4596E2A3; Mon, 19 Aug 2019 21:17:59 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1022A6E2A3 for ; Mon, 19 Aug 2019 21:17:59 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 19 Aug 2019 14:17:58 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,406,1559545200"; d="scan'208";a="329496190" Received: from jssummer-xeon.ra.intel.com ([10.23.184.90]) by orsmga004.jf.intel.com with ESMTP; 19 Aug 2019 14:17:57 -0700 From: Stuart Summers To: intel-gfx@lists.freedesktop.org Date: Mon, 19 Aug 2019 14:18:45 -0700 Message-Id: <20190819211849.34085-6-stuart.summers@intel.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190819211849.34085-1-stuart.summers@intel.com> References: <20190819211849.34085-1-stuart.summers@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 5/9] drm/i915: Add function to set subslices 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 function to set a range of subslices for a specified slice based on a given mask. v2: Use local variable for subslice_mask on HSW and clean up a few other subslice_mask local variable changes Signed-off-by: Stuart Summers --- drivers/gpu/drm/i915/gt/intel_sseu.c | 10 ++++ drivers/gpu/drm/i915/gt/intel_sseu.h | 3 ++ drivers/gpu/drm/i915/intel_device_info.c | 59 +++++++++++++----------- 3 files changed, 46 insertions(+), 26 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/intel_sseu.c b/drivers/gpu/drm/i915/gt/intel_sseu.c index 3a5c0f7b5a08..f5ee43a034bd 100644 --- a/drivers/gpu/drm/i915/gt/intel_sseu.c +++ b/drivers/gpu/drm/i915/gt/intel_sseu.c @@ -30,6 +30,16 @@ intel_sseu_subslice_total(const struct sseu_dev_info *sseu) return total; } +void intel_sseu_set_subslices(struct sseu_dev_info *sseu, int slice, + u32 ss_mask) +{ + int i, offset = slice * sseu->ss_stride; + + for (i = 0; i < sseu->ss_stride; i++) + sseu->subslice_mask[offset + i] = + (ss_mask >> (BITS_PER_BYTE * i)) & 0xff; +} + unsigned int intel_sseu_subslices_per_slice(const struct sseu_dev_info *sseu, u8 slice) { diff --git a/drivers/gpu/drm/i915/gt/intel_sseu.h b/drivers/gpu/drm/i915/gt/intel_sseu.h index fe22d5b18e67..2261d4e7d98b 100644 --- a/drivers/gpu/drm/i915/gt/intel_sseu.h +++ b/drivers/gpu/drm/i915/gt/intel_sseu.h @@ -75,6 +75,9 @@ intel_sseu_subslice_total(const struct sseu_dev_info *sseu); unsigned int intel_sseu_subslices_per_slice(const struct sseu_dev_info *sseu, u8 slice); +void intel_sseu_set_subslices(struct sseu_dev_info *sseu, int slice, + u32 ss_mask); + u32 intel_sseu_make_rpcs(struct drm_i915_private *i915, const struct intel_sseu *req_sseu); diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c index 7de7b7b540cb..2320613a51ac 100644 --- a/drivers/gpu/drm/i915/intel_device_info.c +++ b/drivers/gpu/drm/i915/intel_device_info.c @@ -206,7 +206,10 @@ static void gen11_sseu_info_init(struct drm_i915_private *dev_priv) int ss; sseu->slice_mask |= BIT(s); - sseu->subslice_mask[s] = (ss_en >> ss_idx) & ss_en_mask; + + intel_sseu_set_subslices(sseu, s, (ss_en >> ss_idx) & + ss_en_mask); + for (ss = 0; ss < sseu->max_subslices; ss++) { if (sseu->subslice_mask[s] & BIT(ss)) sseu_set_eus(sseu, s, ss, eu_en); @@ -235,18 +238,6 @@ static void gen10_sseu_info_init(struct drm_i915_private *dev_priv) sseu->slice_mask = (fuse2 & GEN10_F2_S_ENA_MASK) >> GEN10_F2_S_ENA_SHIFT; - subslice_mask = (1 << 4) - 1; - subslice_mask &= ~((fuse2 & GEN10_F2_SS_DIS_MASK) >> - GEN10_F2_SS_DIS_SHIFT); - - /* - * Slice0 can have up to 3 subslices, but there are only 2 in - * slice1/2. - */ - sseu->subslice_mask[0] = subslice_mask; - for (s = 1; s < sseu->max_slices; s++) - sseu->subslice_mask[s] = subslice_mask & 0x3; - /* Slice0 */ eu_en = ~I915_READ(GEN8_EU_DISABLE0); for (ss = 0; ss < sseu->max_subslices; ss++) @@ -270,14 +261,25 @@ static void gen10_sseu_info_init(struct drm_i915_private *dev_priv) eu_en = ~I915_READ(GEN10_EU_DISABLE3); sseu_set_eus(sseu, 5, 1, eu_en & eu_mask); - /* Do a second pass where we mark the subslices disabled if all their - * eus are off. - */ + subslice_mask = (1 << 4) - 1; + subslice_mask &= ~((fuse2 & GEN10_F2_SS_DIS_MASK) >> + GEN10_F2_SS_DIS_SHIFT); + for (s = 0; s < sseu->max_slices; s++) { + u32 subslice_mask_with_eus = subslice_mask; + for (ss = 0; ss < sseu->max_subslices; ss++) { if (sseu_get_eus(sseu, s, ss) == 0) - sseu->subslice_mask[s] &= ~BIT(ss); + subslice_mask_with_eus &= ~BIT(ss); } + + /* + * Slice0 can have up to 3 subslices, but there are only 2 in + * slice1/2. + */ + intel_sseu_set_subslices(sseu, s, s == 0 ? + subslice_mask_with_eus : + subslice_mask_with_eus & 0x3); } sseu->eu_total = compute_eu_total(sseu); @@ -303,6 +305,7 @@ static void cherryview_sseu_info_init(struct drm_i915_private *dev_priv) { struct sseu_dev_info *sseu = &RUNTIME_INFO(dev_priv)->sseu; u32 fuse; + u8 subslice_mask = 0; fuse = I915_READ(CHV_FUSE_GT); @@ -316,7 +319,7 @@ static void cherryview_sseu_info_init(struct drm_i915_private *dev_priv) (((fuse & CHV_FGT_EU_DIS_SS0_R1_MASK) >> CHV_FGT_EU_DIS_SS0_R1_SHIFT) << 4); - sseu->subslice_mask[0] |= BIT(0); + subslice_mask |= BIT(0); sseu_set_eus(sseu, 0, 0, ~disabled_mask); } @@ -327,10 +330,12 @@ static void cherryview_sseu_info_init(struct drm_i915_private *dev_priv) (((fuse & CHV_FGT_EU_DIS_SS1_R1_MASK) >> CHV_FGT_EU_DIS_SS1_R1_SHIFT) << 4); - sseu->subslice_mask[0] |= BIT(1); + subslice_mask |= BIT(1); sseu_set_eus(sseu, 0, 1, ~disabled_mask); } + intel_sseu_set_subslices(sseu, 0, subslice_mask); + sseu->eu_total = compute_eu_total(sseu); /* @@ -383,7 +388,7 @@ static void gen9_sseu_info_init(struct drm_i915_private *dev_priv) /* skip disabled slice */ continue; - sseu->subslice_mask[s] = subslice_mask; + intel_sseu_set_subslices(sseu, s, subslice_mask); eu_disable = I915_READ(GEN9_EU_DISABLE(s)); for (ss = 0; ss < sseu->max_subslices; ss++) { @@ -490,7 +495,7 @@ static void broadwell_sseu_info_init(struct drm_i915_private *dev_priv) /* skip disabled slice */ continue; - sseu->subslice_mask[s] = subslice_mask; + intel_sseu_set_subslices(sseu, s, subslice_mask); for (ss = 0; ss < sseu->max_subslices; ss++) { u8 eu_disabled_mask; @@ -540,6 +545,7 @@ static void haswell_sseu_info_init(struct drm_i915_private *dev_priv) { struct sseu_dev_info *sseu = &RUNTIME_INFO(dev_priv)->sseu; u32 fuse1; + u8 subslice_mask = 0; int s, ss; /* @@ -552,16 +558,15 @@ static void haswell_sseu_info_init(struct drm_i915_private *dev_priv) /* fall through */ case 1: sseu->slice_mask = BIT(0); - sseu->subslice_mask[0] = BIT(0); + subslice_mask = BIT(0); break; case 2: sseu->slice_mask = BIT(0); - sseu->subslice_mask[0] = BIT(0) | BIT(1); + subslice_mask = BIT(0) | BIT(1); break; case 3: sseu->slice_mask = BIT(0) | BIT(1); - sseu->subslice_mask[0] = BIT(0) | BIT(1); - sseu->subslice_mask[1] = BIT(0) | BIT(1); + subslice_mask = BIT(0) | BIT(1); break; } @@ -583,10 +588,12 @@ static void haswell_sseu_info_init(struct drm_i915_private *dev_priv) } intel_sseu_set_info(sseu, hweight8(sseu->slice_mask), - hweight8(sseu->subslice_mask[0]), + hweight8(subslice_mask), sseu->eu_per_subslice); for (s = 0; s < sseu->max_slices; s++) { + intel_sseu_set_subslices(sseu, s, subslice_mask); + for (ss = 0; ss < sseu->max_subslices; ss++) { sseu_set_eus(sseu, s, ss, (1UL << sseu->eu_per_subslice) - 1);