From patchwork Mon Mar 22 20:58:03 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Souza, Jose" X-Patchwork-Id: 12156157 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=-13.9 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY, URIBL_BLOCKED,USER_AGENT_GIT 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 0ECB8C433C1 for ; Mon, 22 Mar 2021 20:56:07 +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 BC70E6187E for ; Mon, 22 Mar 2021 20:56:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BC70E6187E 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 5751089F2D; Mon, 22 Mar 2021 20:56:06 +0000 (UTC) Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8306889F2D for ; Mon, 22 Mar 2021 20:56:05 +0000 (UTC) IronPort-SDR: +idODkFR4J9NWKNXz3LLUqdaf5LC/JanS0zOy/hC5rGnR05FN7GbREi86yOdwT1M/ePn85tM0n nyyGIutcfwew== X-IronPort-AV: E=McAfee;i="6000,8403,9931"; a="251700663" X-IronPort-AV: E=Sophos;i="5.81,269,1610438400"; d="scan'208";a="251700663" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Mar 2021 13:56:03 -0700 IronPort-SDR: 2qaD7qd9KfV9QidpExBNnXTngkvFBAiQy5YdDFmEQeYnBWIwZ6Z9vdSA9Wx3pHama0B53GcGkQ Nn+BEmIBalWQ== X-IronPort-AV: E=Sophos;i="5.81,269,1610438400"; d="scan'208";a="414643326" Received: from doothoux-mobl3.amr.corp.intel.com (HELO josouza-mobl2.intel.com) ([10.254.31.75]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Mar 2021 13:55:59 -0700 From: =?utf-8?q?Jos=C3=A9_Roberto_de_Souza?= To: intel-gfx@lists.freedesktop.org Date: Mon, 22 Mar 2021 13:58:03 -0700 Message-Id: <20210322205805.62205-1-jose.souza@intel.com> X-Mailer: git-send-email 2.31.0 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v2 1/3] drm/i915: Skip display interruption setup when display is not available X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jani Nikula , Lucas De Marchi Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Return ealier in the functions doing interruption setup for GEN8+ also adding a warning in gen8_de_irq_handler() to let us know that something else is still missing. Cc: Ville Syrjälä Cc: Lucas De Marchi Signed-off-by: José Roberto de Souza Signed-off-by: Jani Nikula Reviewed-by: Radhakrishna Sripada --- drivers/gpu/drm/i915/i915_irq.c | 39 +++++++++++++++++++++++++++------ 1 file changed, 32 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 44aed4cbf894..875829f8a190 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -2421,6 +2421,8 @@ gen8_de_irq_handler(struct drm_i915_private *dev_priv, u32 master_ctl) u32 iir; enum pipe pipe; + drm_WARN_ON_ONCE(&dev_priv->drm, !HAS_DISPLAY(dev_priv)); + if (master_ctl & GEN8_DE_MISC_IRQ) { iir = intel_uncore_read(&dev_priv->uncore, GEN8_DE_MISC_IIR); if (iir) { @@ -3058,14 +3060,13 @@ static void cnp_display_clock_wa(struct drm_i915_private *dev_priv) } } -static void gen8_irq_reset(struct drm_i915_private *dev_priv) +static void gen8_display_irq_reset(struct drm_i915_private *dev_priv) { struct intel_uncore *uncore = &dev_priv->uncore; enum pipe pipe; - gen8_master_intr_disable(dev_priv->uncore.regs); - - gen8_gt_irq_reset(&dev_priv->gt); + if (!HAS_DISPLAY(dev_priv)) + return; intel_uncore_write(uncore, EDP_PSR_IMR, 0xffffffff); intel_uncore_write(uncore, EDP_PSR_IIR, 0xffffffff); @@ -3077,6 +3078,16 @@ static void gen8_irq_reset(struct drm_i915_private *dev_priv) GEN3_IRQ_RESET(uncore, GEN8_DE_PORT_); GEN3_IRQ_RESET(uncore, GEN8_DE_MISC_); +} + +static void gen8_irq_reset(struct drm_i915_private *dev_priv) +{ + struct intel_uncore *uncore = &dev_priv->uncore; + + gen8_master_intr_disable(dev_priv->uncore.regs); + + gen8_gt_irq_reset(&dev_priv->gt); + gen8_display_irq_reset(dev_priv); GEN3_IRQ_RESET(uncore, GEN8_PCU_); if (HAS_PCH_SPLIT(dev_priv)) @@ -3092,6 +3103,9 @@ static void gen11_display_irq_reset(struct drm_i915_private *dev_priv) u32 trans_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | BIT(TRANSCODER_C) | BIT(TRANSCODER_D); + if (!HAS_DISPLAY(dev_priv)) + return; + intel_uncore_write(uncore, GEN11_DISPLAY_INT_CTL, 0); if (INTEL_GEN(dev_priv) >= 12) { @@ -3714,6 +3728,9 @@ static void gen8_de_irq_postinstall(struct drm_i915_private *dev_priv) BIT(TRANSCODER_C) | BIT(TRANSCODER_D); enum pipe pipe; + if (!HAS_DISPLAY(dev_priv)) + return; + if (INTEL_GEN(dev_priv) <= 10) de_misc_masked |= GEN8_DE_MISC_GSE; @@ -3797,6 +3814,16 @@ static void gen8_irq_postinstall(struct drm_i915_private *dev_priv) gen8_master_intr_enable(dev_priv->uncore.regs); } +static void gen11_de_irq_postinstall(struct drm_i915_private *dev_priv) +{ + if (!HAS_DISPLAY(dev_priv)) + return; + + gen8_de_irq_postinstall(dev_priv); + + intel_uncore_write(&dev_priv->uncore, GEN11_DISPLAY_INT_CTL, + GEN11_DISPLAY_IRQ_ENABLE); +} static void gen11_irq_postinstall(struct drm_i915_private *dev_priv) { @@ -3807,12 +3834,10 @@ static void gen11_irq_postinstall(struct drm_i915_private *dev_priv) icp_irq_postinstall(dev_priv); gen11_gt_irq_postinstall(&dev_priv->gt); - gen8_de_irq_postinstall(dev_priv); + gen11_de_irq_postinstall(dev_priv); GEN3_IRQ_INIT(uncore, GEN11_GU_MISC_, ~gu_misc_masked, gu_misc_masked); - intel_uncore_write(&dev_priv->uncore, GEN11_DISPLAY_INT_CTL, GEN11_DISPLAY_IRQ_ENABLE); - if (HAS_MASTER_UNIT_IRQ(dev_priv)) { dg1_master_intr_enable(uncore->regs); intel_uncore_posting_read(&dev_priv->uncore, DG1_MSTR_UNIT_INTR);