From mboxrd@z Thu Jan 1 00:00:00 1970 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 05C9BC6377A for ; Wed, 21 Jul 2021 22:30:57 +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 C97796023D for ; Wed, 21 Jul 2021 22:30:56 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C97796023D 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 06E9C6EB40; Wed, 21 Jul 2021 22:30:54 +0000 (UTC) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6ADC46EB37 for ; Wed, 21 Jul 2021 22:30:50 +0000 (UTC) X-IronPort-AV: E=McAfee;i="6200,9189,10052"; a="211527998" X-IronPort-AV: E=Sophos;i="5.84,258,1620716400"; d="scan'208";a="211527998" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Jul 2021 15:30:48 -0700 X-IronPort-AV: E=Sophos;i="5.84,258,1620716400"; d="scan'208";a="658464180" Received: from mdroper-desk1.fm.intel.com ([10.1.27.134]) by fmsmga006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Jul 2021 15:30:47 -0700 From: Matt Roper To: intel-gfx@lists.freedesktop.org Date: Wed, 21 Jul 2021 15:30:29 -0700 Message-Id: <20210721223043.834562-5-matthew.d.roper@intel.com> X-Mailer: git-send-email 2.25.4 In-Reply-To: <20210721223043.834562-1-matthew.d.roper@intel.com> References: <20210721223043.834562-1-matthew.d.roper@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [CI 04/18] drm/i915: Fork DG1 interrupt handler 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Paulo Zanoni The current interrupt handler is getting increasingly complicated and Xe_HP changes will bring even more complexity. Let's split off a new interrupt handler starting with DG1 (i.e., when the master tile interrupt register was added to the design) and use that as the basis for the new Xe_HP changes. Now that we track the hardware IP's release number as well as the version number, we can also properly define DG1 has version "12.10" and replace the has_master_unit_irq feature flag with an IP version test. Bspec: 50875 Cc: Daniele Spurio Ceraolo Cc: Stuart Summers Signed-off-by: Paulo Zanoni Signed-off-by: Lucas De Marchi Signed-off-by: Tomasz Lis Signed-off-by: Matt Roper Reviewed-by: Matt Atwood --- drivers/gpu/drm/i915/i915_drv.h | 2 - drivers/gpu/drm/i915/i915_irq.c | 139 +++++++++++++++-------- drivers/gpu/drm/i915/i915_pci.c | 2 +- drivers/gpu/drm/i915/i915_reg.h | 4 +- drivers/gpu/drm/i915/intel_device_info.h | 1 - 5 files changed, 95 insertions(+), 53 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 7c446f958357..944f6806549f 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1622,8 +1622,6 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915, #define HAS_LOGICAL_RING_ELSQ(dev_priv) \ (INTEL_INFO(dev_priv)->has_logical_ring_elsq) -#define HAS_MASTER_UNIT_IRQ(dev_priv) (INTEL_INFO(dev_priv)->has_master_unit_irq) - #define HAS_EXECLISTS(dev_priv) HAS_LOGICAL_RING_CONTEXTS(dev_priv) #define INTEL_PPGTT(dev_priv) (INTEL_INFO(dev_priv)->ppgtt_type) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 1d4c683c9de9..61dceb2a17c1 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -2698,11 +2698,9 @@ gen11_display_irq_handler(struct drm_i915_private *i915) enable_rpm_wakeref_asserts(&i915->runtime_pm); } -static __always_inline irqreturn_t -__gen11_irq_handler(struct drm_i915_private * const i915, - u32 (*intr_disable)(void __iomem * const regs), - void (*intr_enable)(void __iomem * const regs)) +static irqreturn_t gen11_irq_handler(int irq, void *arg) { + struct drm_i915_private *i915 = arg; void __iomem * const regs = i915->uncore.regs; struct intel_gt *gt = &i915->gt; u32 master_ctl; @@ -2711,9 +2709,9 @@ __gen11_irq_handler(struct drm_i915_private * const i915, if (!intel_irqs_enabled(i915)) return IRQ_NONE; - master_ctl = intr_disable(regs); + master_ctl = gen11_master_intr_disable(regs); if (!master_ctl) { - intr_enable(regs); + gen11_master_intr_enable(regs); return IRQ_NONE; } @@ -2726,7 +2724,7 @@ __gen11_irq_handler(struct drm_i915_private * const i915, gu_misc_iir = gen11_gu_misc_irq_ack(gt, master_ctl); - intr_enable(regs); + gen11_master_intr_enable(regs); gen11_gu_misc_irq_handler(gt, gu_misc_iir); @@ -2735,51 +2733,69 @@ __gen11_irq_handler(struct drm_i915_private * const i915, return IRQ_HANDLED; } -static irqreturn_t gen11_irq_handler(int irq, void *arg) -{ - return __gen11_irq_handler(arg, - gen11_master_intr_disable, - gen11_master_intr_enable); -} - -static u32 dg1_master_intr_disable_and_ack(void __iomem * const regs) +static inline u32 dg1_master_intr_disable(void __iomem * const regs) { u32 val; /* First disable interrupts */ - raw_reg_write(regs, DG1_MSTR_UNIT_INTR, 0); + raw_reg_write(regs, DG1_MSTR_TILE_INTR, 0); /* Get the indication levels and ack the master unit */ - val = raw_reg_read(regs, DG1_MSTR_UNIT_INTR); + val = raw_reg_read(regs, DG1_MSTR_TILE_INTR); if (unlikely(!val)) return 0; - raw_reg_write(regs, DG1_MSTR_UNIT_INTR, val); - - /* - * Now with master disabled, get a sample of level indications - * for this interrupt and ack them right away - we keep GEN11_MASTER_IRQ - * out as this bit doesn't exist anymore for DG1 - */ - val = raw_reg_read(regs, GEN11_GFX_MSTR_IRQ) & ~GEN11_MASTER_IRQ; - if (unlikely(!val)) - return 0; - - raw_reg_write(regs, GEN11_GFX_MSTR_IRQ, val); + raw_reg_write(regs, DG1_MSTR_TILE_INTR, val); return val; } static inline void dg1_master_intr_enable(void __iomem * const regs) { - raw_reg_write(regs, DG1_MSTR_UNIT_INTR, DG1_MSTR_IRQ); + raw_reg_write(regs, DG1_MSTR_TILE_INTR, DG1_MSTR_IRQ); } static irqreturn_t dg1_irq_handler(int irq, void *arg) { - return __gen11_irq_handler(arg, - dg1_master_intr_disable_and_ack, - dg1_master_intr_enable); + struct drm_i915_private * const i915 = arg; + struct intel_gt *gt = &i915->gt; + void __iomem * const regs = i915->uncore.regs; + u32 master_tile_ctl, master_ctl; + u32 gu_misc_iir; + + if (!intel_irqs_enabled(i915)) + return IRQ_NONE; + + master_tile_ctl = dg1_master_intr_disable(regs); + if (!master_tile_ctl) { + dg1_master_intr_enable(regs); + return IRQ_NONE; + } + + /* FIXME: we only support tile 0 for now. */ + if (master_tile_ctl & DG1_MSTR_TILE(0)) { + master_ctl = raw_reg_read(regs, GEN11_GFX_MSTR_IRQ); + raw_reg_write(regs, GEN11_GFX_MSTR_IRQ, master_ctl); + } else { + DRM_ERROR("Tile not supported: 0x%08x\n", master_tile_ctl); + dg1_master_intr_enable(regs); + return IRQ_NONE; + } + + gen11_gt_irq_handler(gt, master_ctl); + + if (master_ctl & GEN11_DISPLAY_IRQ) + gen11_display_irq_handler(i915); + + gu_misc_iir = gen11_gu_misc_irq_ack(gt, master_ctl); + + dg1_master_intr_enable(regs); + + gen11_gu_misc_irq_handler(gt, gu_misc_iir); + + pmu_irq_stats(i915, IRQ_HANDLED); + + return IRQ_HANDLED; } /* Called from drm generic code, passed 'crtc' which @@ -3167,10 +3183,20 @@ static void gen11_irq_reset(struct drm_i915_private *dev_priv) { struct intel_uncore *uncore = &dev_priv->uncore; - if (HAS_MASTER_UNIT_IRQ(dev_priv)) - dg1_master_intr_disable_and_ack(dev_priv->uncore.regs); - else - gen11_master_intr_disable(dev_priv->uncore.regs); + gen11_master_intr_disable(dev_priv->uncore.regs); + + gen11_gt_irq_reset(&dev_priv->gt); + gen11_display_irq_reset(dev_priv); + + GEN3_IRQ_RESET(uncore, GEN11_GU_MISC_); + GEN3_IRQ_RESET(uncore, GEN8_PCU_); +} + +static void dg1_irq_reset(struct drm_i915_private *dev_priv) +{ + struct intel_uncore *uncore = &dev_priv->uncore; + + dg1_master_intr_disable(dev_priv->uncore.regs); gen11_gt_irq_reset(&dev_priv->gt); gen11_display_irq_reset(dev_priv); @@ -3862,13 +3888,28 @@ static void gen11_irq_postinstall(struct drm_i915_private *dev_priv) GEN3_IRQ_INIT(uncore, GEN11_GU_MISC_, ~gu_misc_masked, gu_misc_masked); - if (HAS_MASTER_UNIT_IRQ(dev_priv)) { - dg1_master_intr_enable(uncore->regs); - intel_uncore_posting_read(&dev_priv->uncore, DG1_MSTR_UNIT_INTR); - } else { - gen11_master_intr_enable(uncore->regs); - intel_uncore_posting_read(&dev_priv->uncore, GEN11_GFX_MSTR_IRQ); + gen11_master_intr_enable(uncore->regs); + intel_uncore_posting_read(&dev_priv->uncore, GEN11_GFX_MSTR_IRQ); +} + +static void dg1_irq_postinstall(struct drm_i915_private *dev_priv) +{ + struct intel_uncore *uncore = &dev_priv->uncore; + u32 gu_misc_masked = GEN11_GU_MISC_GSE; + + gen11_gt_irq_postinstall(&dev_priv->gt); + + GEN3_IRQ_INIT(uncore, GEN11_GU_MISC_, ~gu_misc_masked, gu_misc_masked); + + if (HAS_DISPLAY(dev_priv)) { + icp_irq_postinstall(dev_priv); + gen8_de_irq_postinstall(dev_priv); + intel_uncore_write(&dev_priv->uncore, GEN11_DISPLAY_INT_CTL, + GEN11_DISPLAY_IRQ_ENABLE); } + + dg1_master_intr_enable(dev_priv->uncore.regs); + intel_uncore_posting_read(&dev_priv->uncore, DG1_MSTR_TILE_INTR); } static void cherryview_irq_postinstall(struct drm_i915_private *dev_priv) @@ -4407,9 +4448,9 @@ static irq_handler_t intel_irq_handler(struct drm_i915_private *dev_priv) else return i8xx_irq_handler; } else { - if (HAS_MASTER_UNIT_IRQ(dev_priv)) + if (GRAPHICS_VER_FULL(dev_priv) >= IP_VER(12, 10)) return dg1_irq_handler; - if (GRAPHICS_VER(dev_priv) >= 11) + else if (GRAPHICS_VER(dev_priv) >= 11) return gen11_irq_handler; else if (GRAPHICS_VER(dev_priv) >= 8) return gen8_irq_handler; @@ -4432,7 +4473,9 @@ static void intel_irq_reset(struct drm_i915_private *dev_priv) else i8xx_irq_reset(dev_priv); } else { - if (GRAPHICS_VER(dev_priv) >= 11) + if (GRAPHICS_VER_FULL(dev_priv) >= IP_VER(12, 10)) + dg1_irq_reset(dev_priv); + else if (GRAPHICS_VER(dev_priv) >= 11) gen11_irq_reset(dev_priv); else if (GRAPHICS_VER(dev_priv) >= 8) gen8_irq_reset(dev_priv); @@ -4455,7 +4498,9 @@ static void intel_irq_postinstall(struct drm_i915_private *dev_priv) else i8xx_irq_postinstall(dev_priv); } else { - if (GRAPHICS_VER(dev_priv) >= 11) + if (GRAPHICS_VER_FULL(dev_priv) >= IP_VER(12, 10)) + dg1_irq_postinstall(dev_priv); + else if (GRAPHICS_VER(dev_priv) >= 11) gen11_irq_postinstall(dev_priv); else if (GRAPHICS_VER(dev_priv) >= 8) gen8_irq_postinstall(dev_priv); diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c index ec3f576f4247..cbbcc6f9c957 100644 --- a/drivers/gpu/drm/i915/i915_pci.c +++ b/drivers/gpu/drm/i915/i915_pci.c @@ -907,7 +907,6 @@ static const struct intel_device_info rkl_info = { #define DGFX_FEATURES \ .memory_regions = REGION_SMEM | REGION_LMEM | REGION_STOLEN_LMEM, \ - .has_master_unit_irq = 1, \ .has_llc = 0, \ .has_snoop = 1, \ .is_dgfx = 1 @@ -915,6 +914,7 @@ static const struct intel_device_info rkl_info = { static const struct intel_device_info dg1_info __maybe_unused = { GEN12_FEATURES, DGFX_FEATURES, + .graphics_rel = 10, PLATFORM(INTEL_DG1), .pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C) | BIT(PIPE_D), .require_force_probe = 1, diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 9d501b86c0c9..5275a89f9ddc 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -7991,9 +7991,9 @@ enum { #define GEN11_GT_DW1_IRQ (1 << 1) #define GEN11_GT_DW0_IRQ (1 << 0) -#define DG1_MSTR_UNIT_INTR _MMIO(0x190008) +#define DG1_MSTR_TILE_INTR _MMIO(0x190008) #define DG1_MSTR_IRQ REG_BIT(31) -#define DG1_MSTR_UNIT(u) REG_BIT(u) +#define DG1_MSTR_TILE(t) REG_BIT(t) #define GEN11_DISPLAY_INT_CTL _MMIO(0x44200) #define GEN11_DISPLAY_IRQ_ENABLE (1 << 31) diff --git a/drivers/gpu/drm/i915/intel_device_info.h b/drivers/gpu/drm/i915/intel_device_info.h index c09f2dd24617..616ccec41d76 100644 --- a/drivers/gpu/drm/i915/intel_device_info.h +++ b/drivers/gpu/drm/i915/intel_device_info.h @@ -133,7 +133,6 @@ enum intel_ppgtt_type { func(has_llc); \ func(has_logical_ring_contexts); \ func(has_logical_ring_elsq); \ - func(has_master_unit_irq); \ func(has_pooled_eu); \ func(has_rc6); \ func(has_rc6p); \ -- 2.25.4 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx