From patchwork Wed Feb 17 02:53:36 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lyude Paul X-Patchwork-Id: 12090855 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AC318C433E0 for ; Wed, 17 Feb 2021 02:54:20 +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 4817464D79 for ; Wed, 17 Feb 2021 02:54:20 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4817464D79 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 48FA889C82; Wed, 17 Feb 2021 02:54:16 +0000 (UTC) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [63.128.21.124]) by gabe.freedesktop.org (Postfix) with ESMTPS id 101D789C82 for ; Wed, 17 Feb 2021 02:54:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1613530453; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=oFGrBJPKqfvgLkksZDaaK4VeUcWGvcONB5s1v8mHWEI=; b=bAWxQ8FPZyM41EogLFIoVqsAdbcFsuz22LKXgynAsub9SvrdOjiVuPWWVR47PS5LJoxtHW 3BxC+tZXr3ArTjiwBbihnISG2wA0Dzjv+IvL5qyRynvSOZ1T4ZYKOrGnjDZ/sLIhahdVdH Db7x4CWHhIkPqGL/rOLqz2pNP55rBGk= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-536-cClbJUquP3CnzgS4T2u9bg-1; Tue, 16 Feb 2021 21:54:08 -0500 X-MC-Unique: cClbJUquP3CnzgS4T2u9bg-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 253A18030BB; Wed, 17 Feb 2021 02:54:07 +0000 (UTC) Received: from Whitewolf.redhat.com (ovpn-113-106.rdu2.redhat.com [10.10.113.106]) by smtp.corp.redhat.com (Postfix) with ESMTP id 697DB10016FA; Wed, 17 Feb 2021 02:54:05 +0000 (UTC) From: Lyude Paul To: intel-gfx@lists.freedesktop.org Subject: [PATCH v3 1/2] drm/i915/gen9bc: Handle TGP PCH during suspend/resume Date: Tue, 16 Feb 2021 21:53:36 -0500 Message-Id: <20210217025337.1929015-1-lyude@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: David Airlie , open list , "open list:DRM DRIVERS" , Rodrigo Vivi , Tejas Upadhyay Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Tejas Upadhyay For Legacy S3 suspend/resume GEN9 BC needs to enable and setup TGP PCH. v2: * Move Wa_14010685332 into it's own function - vsyrjala * Add TODO comment about figuring out if we can move this workaround - imre v3: * Rename cnp_irq_post_reset() to cnp_display_clock_wa() * Add TODO item mentioning we need to clarify which platforms this workaround applies to * Just use ibx_irq_reset() in gen8_irq_reset(). This code should be functionally equivalent on gen9 bc to the code v2 added * Drop icp_hpd_irq_setup() call in spt_hpd_irq_setup(), this looks to be more or less identical to spt_hpd_irq_setup() minus additionally enabling one port. Will update i915 to use icp_hpd_irq_setup() for ICP in a separate patch. Cc: Matt Roper Signed-off-by: Tejas Upadhyay Signed-off-by: Lyude Paul --- drivers/gpu/drm/i915/i915_irq.c | 52 +++++++++++++++++++++------------ 1 file changed, 33 insertions(+), 19 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 98145a7f28a4..f86b147f588f 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -3040,6 +3040,24 @@ static void valleyview_irq_reset(struct drm_i915_private *dev_priv) spin_unlock_irq(&dev_priv->irq_lock); } +static void cnp_display_clock_wa(struct drm_i915_private *dev_priv) +{ + struct intel_uncore *uncore = &dev_priv->uncore; + + /* + * Wa_14010685332:icl+ + * TODO: Clarify which platforms this applies to + * TODO: Figure out if this workaround can be applied in the s0ix suspend/resume handlers as + * on earlier platforms and whether the workaround is also needed for runtime suspend/resume + */ + if (INTEL_PCH_TYPE(dev_priv) == PCH_CNP || + (INTEL_PCH_TYPE(dev_priv) >= PCH_TGP && INTEL_PCH_TYPE(dev_priv) < PCH_DG1)) { + intel_uncore_rmw(uncore, SOUTH_CHICKEN1, SBCLK_RUN_REFCLK_DIS, + SBCLK_RUN_REFCLK_DIS); + intel_uncore_rmw(uncore, SOUTH_CHICKEN1, SBCLK_RUN_REFCLK_DIS, 0); + } +} + static void gen8_irq_reset(struct drm_i915_private *dev_priv) { struct intel_uncore *uncore = &dev_priv->uncore; @@ -3061,8 +3079,9 @@ static void gen8_irq_reset(struct drm_i915_private *dev_priv) GEN3_IRQ_RESET(uncore, GEN8_DE_MISC_); GEN3_IRQ_RESET(uncore, GEN8_PCU_); - if (HAS_PCH_SPLIT(dev_priv)) - ibx_irq_reset(dev_priv); + ibx_irq_reset(dev_priv); + + cnp_display_clock_wa(dev_priv); } static void gen11_display_irq_reset(struct drm_i915_private *dev_priv) @@ -3104,15 +3123,7 @@ static void gen11_display_irq_reset(struct drm_i915_private *dev_priv) if (INTEL_PCH_TYPE(dev_priv) >= PCH_ICP) GEN3_IRQ_RESET(uncore, SDE); - /* Wa_14010685332:cnp/cmp,tgp,adp */ - if (INTEL_PCH_TYPE(dev_priv) == PCH_CNP || - (INTEL_PCH_TYPE(dev_priv) >= PCH_TGP && - INTEL_PCH_TYPE(dev_priv) < PCH_DG1)) { - intel_uncore_rmw(uncore, SOUTH_CHICKEN1, - SBCLK_RUN_REFCLK_DIS, SBCLK_RUN_REFCLK_DIS); - intel_uncore_rmw(uncore, SOUTH_CHICKEN1, - SBCLK_RUN_REFCLK_DIS, 0); - } + cnp_display_clock_wa(dev_priv); } static void gen11_irq_reset(struct drm_i915_private *dev_priv) @@ -3764,9 +3775,19 @@ static void gen8_de_irq_postinstall(struct drm_i915_private *dev_priv) } } +static void icp_irq_postinstall(struct drm_i915_private *dev_priv) +{ + struct intel_uncore *uncore = &dev_priv->uncore; + u32 mask = SDE_GMBUS_ICP; + + GEN3_IRQ_INIT(uncore, SDE, ~mask, 0xffffffff); +} + static void gen8_irq_postinstall(struct drm_i915_private *dev_priv) { - if (HAS_PCH_SPLIT(dev_priv)) + if (INTEL_PCH_TYPE(dev_priv) >= PCH_ICP) + icp_irq_postinstall(dev_priv); + else if (HAS_PCH_SPLIT(dev_priv)) ibx_irq_postinstall(dev_priv); gen8_gt_irq_postinstall(&dev_priv->gt); @@ -3775,13 +3796,6 @@ static void gen8_irq_postinstall(struct drm_i915_private *dev_priv) gen8_master_intr_enable(dev_priv->uncore.regs); } -static void icp_irq_postinstall(struct drm_i915_private *dev_priv) -{ - struct intel_uncore *uncore = &dev_priv->uncore; - u32 mask = SDE_GMBUS_ICP; - - GEN3_IRQ_INIT(uncore, SDE, ~mask, 0xffffffff); -} static void gen11_irq_postinstall(struct drm_i915_private *dev_priv) { From patchwork Wed Feb 17 02:53:37 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lyude Paul X-Patchwork-Id: 12090853 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 51D8FC433DB for ; Wed, 17 Feb 2021 02:54:17 +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 E6EAE64DA8 for ; Wed, 17 Feb 2021 02:54:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E6EAE64DA8 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E8BD589BA1; Wed, 17 Feb 2021 02:54:14 +0000 (UTC) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1474E89B96 for ; Wed, 17 Feb 2021 02:54:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1613530452; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=pGpyvpoZaV2XZR1+BH6GoXWIxB5qeFgJto6v9O6bjeo=; b=Eu3GpsuMk+opfPsQ8PaPnSDgFHi07orILvqXJytC1Ri/2d8gxAxkEZA3DFqwR+Ksd303R9 /5ygOswVmmFj99f+OrgE1DB0t7cIGMvoy0S71XyM2S99kanjRKbB0V52PxftSeINhV5SSq M18QAd3ZY1Bkbhg+dApGbgpX/8vDhKY= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-157-PYuQhyyoOl6d2aqUESWFYA-1; Tue, 16 Feb 2021 21:54:10 -0500 X-MC-Unique: PYuQhyyoOl6d2aqUESWFYA-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id EBBEAC28A; Wed, 17 Feb 2021 02:54:08 +0000 (UTC) Received: from Whitewolf.redhat.com (ovpn-113-106.rdu2.redhat.com [10.10.113.106]) by smtp.corp.redhat.com (Postfix) with ESMTP id 7F1F010016F7; Wed, 17 Feb 2021 02:54:07 +0000 (UTC) From: Lyude Paul To: intel-gfx@lists.freedesktop.org Subject: [PATCH v3 2/2] drm/i915/icp+: Use icp_hpd_irq_setup() instead of spt_hpd_irq_setup() Date: Tue, 16 Feb 2021 21:53:37 -0500 Message-Id: <20210217025337.1929015-2-lyude@redhat.com> In-Reply-To: <20210217025337.1929015-1-lyude@redhat.com> References: <20210217025337.1929015-1-lyude@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: David Airlie , open list , "open list:DRM DRIVERS" , Rodrigo Vivi , Tejas Upadhyay Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" While reviewing patches for handling workarounds related to gen9 bc, Imre from Intel discovered that we're using spt_hpd_irq_setup() on ICP+ PCHs despite it being almost the same as icp_hpd_irq_setup(). Since we need to be calling icp_hpd_irq_setup() to ensure that CML-S/TGP platforms function correctly anyway, let's move platforms using PCH_ICP which aren't handled by gen11_hpd_irq_setup() over to icp_hpd_irq_setup(). Cc: Tejas Upadhyay Signed-off-by: Lyude Paul Reviewed-by: Rodrigo Vivi --- drivers/gpu/drm/i915/i915_irq.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index f86b147f588f..7ec61187a315 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -4320,6 +4320,8 @@ void intel_irq_init(struct drm_i915_private *dev_priv) dev_priv->display.hpd_irq_setup = gen11_hpd_irq_setup; else if (IS_GEN9_LP(dev_priv)) dev_priv->display.hpd_irq_setup = bxt_hpd_irq_setup; + else if (INTEL_PCH_TYPE(dev_priv) >= PCH_ICP) + dev_priv->display.hpd_irq_setup = icp_hpd_irq_setup; else if (INTEL_PCH_TYPE(dev_priv) >= PCH_SPT) dev_priv->display.hpd_irq_setup = spt_hpd_irq_setup; else