From patchwork Tue Jan 9 23:28:27 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Zanoni, Paulo R" X-Patchwork-Id: 10153665 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 49325602CA for ; Tue, 9 Jan 2018 23:29:09 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3D6EF268AE for ; Tue, 9 Jan 2018 23:29:09 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3264A269E2; Tue, 9 Jan 2018 23:29:09 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id C4188268AE for ; Tue, 9 Jan 2018 23:29:08 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3409A6E17C; Tue, 9 Jan 2018 23:29:08 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id 015886E17C for ; Tue, 9 Jan 2018 23:29:06 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 09 Jan 2018 15:29:06 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.46,337,1511856000"; d="scan'208";a="22754010" Received: from przanoni-mobl.amr.corp.intel.com ([10.254.54.160]) by orsmga001.jf.intel.com with ESMTP; 09 Jan 2018 15:29:05 -0800 From: Paulo Zanoni To: intel-gfx@lists.freedesktop.org Date: Tue, 9 Jan 2018 21:28:27 -0200 Message-Id: <20180109232835.11478-10-paulo.r.zanoni@intel.com> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180109232835.11478-1-paulo.r.zanoni@intel.com> References: <20180109232336.11029-1-paulo.r.zanoni@intel.com> <20180109232835.11478-1-paulo.r.zanoni@intel.com> Subject: [Intel-gfx] [PATCH 19/27] drm/i915/icl: Added ICL 11 slice, subslice and EU fuse detection X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP From: Kelvin Gardiner This patch adds support to detect ICL, slice, subslice and EU fuse settings. Add addresses for ICL 11 slice, subslice and EU fuses registers. These register addresses are the same as previous platforms but the format and / or the meaning of the information is different. Therefore Gen11 defines for these registers are added. Bspec: 9731 Bspec: 20643 Bspec: 20673 Signed-off-by: Kelvin Gardiner --- drivers/gpu/drm/i915/i915_reg.h | 9 +++++++++ drivers/gpu/drm/i915/intel_device_info.c | 25 ++++++++++++++++++++++++- 2 files changed, 33 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index c9b62502ce69..d8b537570b8e 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -2809,6 +2809,15 @@ enum i915_power_well_id { #define GEN11_GT_VEBOX_DISABLE_SHIFT 16 #define GEN11_GT_VEBOX_DISABLE_MASK (0xff << GEN11_GT_VEBOX_DISABLE_SHIFT) +#define GEN11_EU_DISABLE _MMIO(0x9134) +#define GEN11_EU_DIS_MASK 0xFF + +#define GEN11_GT_SLICE_ENABLE _MMIO(0x9138) +#define GEN11_GT_S_ENA_MASK 0xFF + +#define GEN11_GT_SUBSLICE_DISABLE _MMIO(0x913C) +#define GEN11_GT_SS_DIS_MASK 0xFF + #define GEN6_BSD_SLEEP_PSMI_CONTROL _MMIO(0x12050) #define GEN6_BSD_SLEEP_MSG_DISABLE (1 << 0) #define GEN6_BSD_SLEEP_FLUSH_DISABLE (1 << 2) diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c index 3316470363a0..895c41ef4abf 100644 --- a/drivers/gpu/drm/i915/intel_device_info.c +++ b/drivers/gpu/drm/i915/intel_device_info.c @@ -120,6 +120,27 @@ void intel_device_info_dump(const struct intel_device_info *info, intel_device_info_dump_flags(info, p); } +static void gen11_sseu_info_init(struct drm_i915_private *dev_priv) +{ + struct sseu_dev_info *sseu = &mkwrite_device_info(dev_priv)->sseu; + int eu_max = 8; + u32 eu_disable; + + sseu->slice_mask = I915_READ(GEN11_GT_SLICE_ENABLE) & + GEN11_GT_S_ENA_MASK; + sseu->subslice_mask = ~(I915_READ(GEN11_GT_SUBSLICE_DISABLE) & + GEN11_GT_SS_DIS_MASK); + eu_disable = I915_READ(GEN11_EU_DISABLE) & GEN11_GT_S_ENA_MASK; + + sseu->eu_per_subslice = eu_max - hweight32(eu_disable); + sseu->eu_total = sseu->eu_per_subslice * hweight32(sseu->subslice_mask); + + /* ICL has no power gating restrictions. */ + sseu->has_slice_pg = 1; + sseu->has_subslice_pg = 1; + sseu->has_eu_pg = 1; +} + static void gen10_sseu_info_init(struct drm_i915_private *dev_priv) { struct sseu_dev_info *sseu = &mkwrite_device_info(dev_priv)->sseu; @@ -583,8 +604,10 @@ void intel_device_info_runtime_init(struct intel_device_info *info) broadwell_sseu_info_init(dev_priv); else if (INTEL_GEN(dev_priv) == 9) gen9_sseu_info_init(dev_priv); - else if (INTEL_GEN(dev_priv) >= 10) + else if (INTEL_GEN(dev_priv) == 10) gen10_sseu_info_init(dev_priv); + else if (INTEL_INFO(dev_priv)->gen >= 11) + gen11_sseu_info_init(dev_priv); /* Initialize command stream timestamp frequency */ info->cs_timestamp_frequency_khz = read_timestamp_frequency(dev_priv);