From patchwork Tue Aug 20 02:01:46 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniele Ceraolo Spurio X-Patchwork-Id: 11102593 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 CC68513A0 for ; Tue, 20 Aug 2019 02:01:54 +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 B5B6B20644 for ; Tue, 20 Aug 2019 02:01:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B5B6B20644 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 6ED006E5AA; Tue, 20 Aug 2019 02:01:53 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id A361D6E5AA for ; Tue, 20 Aug 2019 02:01:51 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 19 Aug 2019 19:01:51 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,407,1559545200"; d="scan'208";a="207200351" Received: from dceraolo-linux.fm.intel.com ([10.1.27.145]) by fmsmga002.fm.intel.com with ESMTP; 19 Aug 2019 19:01:50 -0700 From: Daniele Ceraolo Spurio To: intel-gfx@lists.freedesktop.org Date: Mon, 19 Aug 2019 19:01:46 -0700 Message-Id: <20190820020147.5667-1-daniele.ceraolospurio@intel.com> X-Mailer: git-send-email 2.22.0 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v2 1/2] drm/i915: Dynamically allocate s0ix struct for VLV 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: , Cc: Jani Nikula Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" This is only required for a single platform so no need to reserve the memory on all of them. This removes the last direct dependency of i915_drv.h on i915_reg.h (apart from the i915_reg_t definition). v2: drop unneeded diff, keep the vlv prefix, call functions unconditionally (Jani), fwd declaration of the struct (Chris) Signed-off-by: Daniele Ceraolo Spurio Cc: Imre Deak Cc: Jani Nikula Cc: Chris Wilson Reviewed-by: Chris Wilson --- drivers/gpu/drm/i915/i915_drv.c | 112 +++++++++++++++++++++++++++++--- drivers/gpu/drm/i915/i915_drv.h | 64 +----------------- 2 files changed, 106 insertions(+), 70 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 2541a3a1c229..b5b2a64753e6 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -80,6 +80,68 @@ static struct drm_driver driver; +struct vlv_s0ix_state { + /* GAM */ + u32 wr_watermark; + u32 gfx_prio_ctrl; + u32 arb_mode; + u32 gfx_pend_tlb0; + u32 gfx_pend_tlb1; + u32 lra_limits[GEN7_LRA_LIMITS_REG_NUM]; + u32 media_max_req_count; + u32 gfx_max_req_count; + u32 render_hwsp; + u32 ecochk; + u32 bsd_hwsp; + u32 blt_hwsp; + u32 tlb_rd_addr; + + /* MBC */ + u32 g3dctl; + u32 gsckgctl; + u32 mbctl; + + /* GCP */ + u32 ucgctl1; + u32 ucgctl3; + u32 rcgctl1; + u32 rcgctl2; + u32 rstctl; + u32 misccpctl; + + /* GPM */ + u32 gfxpause; + u32 rpdeuhwtc; + u32 rpdeuc; + u32 ecobus; + u32 pwrdwnupctl; + u32 rp_down_timeout; + u32 rp_deucsw; + u32 rcubmabdtmr; + u32 rcedata; + u32 spare2gh; + + /* Display 1 CZ domain */ + u32 gt_imr; + u32 gt_ier; + u32 pm_imr; + u32 pm_ier; + u32 gt_scratch[GEN7_GT_SCRATCH_REG_NUM]; + + /* GT SA CZ domain */ + u32 tilectl; + u32 gt_fifoctl; + u32 gtlc_wake_ctrl; + u32 gtlc_survive; + u32 pmwgicz; + + /* Display 2 CZ domain */ + u32 gu_ctl0; + u32 gu_ctl1; + u32 pcbr; + u32 clock_gate_dis2; +}; + static int i915_get_bridge_dev(struct drm_i915_private *dev_priv) { int domain = pci_domain_nr(dev_priv->drm.pdev->bus); @@ -466,6 +528,29 @@ static void intel_detect_preproduction_hw(struct drm_i915_private *dev_priv) } } +static int vlv_alloc_s0ix_state(struct drm_i915_private *i915) +{ + if (!IS_VALLEYVIEW(i915)) + return 0; + + /* we write all the values in the struct, so no need to zero it out */ + i915->vlv_s0ix_state = kmalloc(sizeof(*i915->vlv_s0ix_state), + GFP_KERNEL); + if (!i915->vlv_s0ix_state) + return -ENOMEM; + + return 0; +} + +static void vlv_free_s0ix_state(struct drm_i915_private *i915) +{ + if (!i915->vlv_s0ix_state) + return; + + kfree(i915->vlv_s0ix_state); + i915->vlv_s0ix_state = NULL; +} + /** * i915_driver_early_probe - setup state not requiring device access * @dev_priv: device private @@ -508,13 +593,17 @@ static int i915_driver_early_probe(struct drm_i915_private *dev_priv) if (ret < 0) return ret; + ret = vlv_alloc_s0ix_state(dev_priv); + if (ret < 0) + goto err_workqueues; + intel_wopcm_init_early(&dev_priv->wopcm); intel_gt_init_early(&dev_priv->gt, dev_priv); ret = i915_gem_init_early(dev_priv); if (ret < 0) - goto err_workqueues; + goto err_gt; /* This must be called before any calls to HAS_PCH_* */ intel_detect_pch(dev_priv); @@ -536,8 +625,10 @@ static int i915_driver_early_probe(struct drm_i915_private *dev_priv) err_gem: i915_gem_cleanup_early(dev_priv); -err_workqueues: +err_gt: intel_gt_driver_late_release(&dev_priv->gt); + vlv_free_s0ix_state(dev_priv); +err_workqueues: i915_workqueues_cleanup(dev_priv); return ret; } @@ -553,6 +644,7 @@ static void i915_driver_late_release(struct drm_i915_private *dev_priv) intel_power_domains_cleanup(dev_priv); i915_gem_cleanup_early(dev_priv); intel_gt_driver_late_release(&dev_priv->gt); + vlv_free_s0ix_state(dev_priv); i915_workqueues_cleanup(dev_priv); pm_qos_remove_request(&dev_priv->sb_qos); @@ -2137,9 +2229,12 @@ static int i915_pm_restore(struct device *kdev) */ static void vlv_save_gunit_s0ix_state(struct drm_i915_private *dev_priv) { - struct vlv_s0ix_state *s = &dev_priv->vlv_s0ix_state; + struct vlv_s0ix_state *s = dev_priv->vlv_s0ix_state; int i; + if (!s) + return; + /* GAM 0x4000-0x4770 */ s->wr_watermark = I915_READ(GEN7_WR_WATERMARK); s->gfx_prio_ctrl = I915_READ(GEN7_GFX_PRIO_CTRL); @@ -2218,10 +2313,13 @@ static void vlv_save_gunit_s0ix_state(struct drm_i915_private *dev_priv) static void vlv_restore_gunit_s0ix_state(struct drm_i915_private *dev_priv) { - struct vlv_s0ix_state *s = &dev_priv->vlv_s0ix_state; + struct vlv_s0ix_state *s = dev_priv->vlv_s0ix_state; u32 val; int i; + if (!s) + return; + /* GAM 0x4000-0x4770 */ I915_WRITE(GEN7_WR_WATERMARK, s->wr_watermark); I915_WRITE(GEN7_GFX_PRIO_CTRL, s->gfx_prio_ctrl); @@ -2430,8 +2528,7 @@ static int vlv_suspend_complete(struct drm_i915_private *dev_priv) if (err) goto err2; - if (!IS_CHERRYVIEW(dev_priv)) - vlv_save_gunit_s0ix_state(dev_priv); + vlv_save_gunit_s0ix_state(dev_priv); err = vlv_force_gfx_clock(dev_priv, false); if (err) @@ -2461,8 +2558,7 @@ static int vlv_resume_prepare(struct drm_i915_private *dev_priv, */ ret = vlv_force_gfx_clock(dev_priv, true); - if (!IS_CHERRYVIEW(dev_priv)) - vlv_restore_gunit_s0ix_state(dev_priv); + vlv_restore_gunit_s0ix_state(dev_priv); err = vlv_allow_gt_wake(dev_priv, true); if (!ret) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index b6032af904bc..ba6d9bb127d7 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -527,67 +527,7 @@ struct i915_suspend_saved_registers { u16 saveGCDGMBUS; }; -struct vlv_s0ix_state { - /* GAM */ - u32 wr_watermark; - u32 gfx_prio_ctrl; - u32 arb_mode; - u32 gfx_pend_tlb0; - u32 gfx_pend_tlb1; - u32 lra_limits[GEN7_LRA_LIMITS_REG_NUM]; - u32 media_max_req_count; - u32 gfx_max_req_count; - u32 render_hwsp; - u32 ecochk; - u32 bsd_hwsp; - u32 blt_hwsp; - u32 tlb_rd_addr; - - /* MBC */ - u32 g3dctl; - u32 gsckgctl; - u32 mbctl; - - /* GCP */ - u32 ucgctl1; - u32 ucgctl3; - u32 rcgctl1; - u32 rcgctl2; - u32 rstctl; - u32 misccpctl; - - /* GPM */ - u32 gfxpause; - u32 rpdeuhwtc; - u32 rpdeuc; - u32 ecobus; - u32 pwrdwnupctl; - u32 rp_down_timeout; - u32 rp_deucsw; - u32 rcubmabdtmr; - u32 rcedata; - u32 spare2gh; - - /* Display 1 CZ domain */ - u32 gt_imr; - u32 gt_ier; - u32 pm_imr; - u32 pm_ier; - u32 gt_scratch[GEN7_GT_SCRATCH_REG_NUM]; - - /* GT SA CZ domain */ - u32 tilectl; - u32 gt_fifoctl; - u32 gtlc_wake_ctrl; - u32 gtlc_survive; - u32 pmwgicz; - - /* Display 2 CZ domain */ - u32 gu_ctl0; - u32 gu_ctl1; - u32 pcbr; - u32 clock_gate_dis2; -}; +struct vlv_s0ix_state; struct intel_rps_ei { ktime_t ktime; @@ -1620,7 +1560,7 @@ struct drm_i915_private { u32 suspend_count; bool power_domains_suspended; struct i915_suspend_saved_registers regfile; - struct vlv_s0ix_state vlv_s0ix_state; + struct vlv_s0ix_state *vlv_s0ix_state; enum { I915_SAGV_UNKNOWN = 0,