From patchwork Mon Sep 19 22:32:59 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matt Roper X-Patchwork-Id: 12981081 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id B38DCECAAD3 for ; Mon, 19 Sep 2022 22:34:07 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 524CA10E1BC; Mon, 19 Sep 2022 22:33:17 +0000 (UTC) Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2F58610E194; Mon, 19 Sep 2022 22:33:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1663626790; x=1695162790; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=a4sycDUWYN4IudWCOuf656+BZ7xPzwkVwZeqK5x8irU=; b=ikLFpvFCnOaEx6d5MdvRoy6bEt/8e/G3fNQ+9Dpa6OkQ7zGG6ParQPaC w8qQd0tlYm6NAF+gG9m4+zRIxNIbmwYCpg7h28LIRRMYRk38CysiNMypj CznRF3dkyLqh3z5+xY1ebxkNgrtiEviM7j1LqQQZBV6iTCc7KLOWeqjve wpByfeYQaerpW+Rw9PwBSFkUE7IKI9vUaom8cElgcjQwUr4VTh7DKTL1u HgL4ZwWNHzV+mKgC2itCrqRkn08ibf2Bt57sZfglBUSl5qficDpepOfJ9 uaY2Du8zdOaYbKCW1PaqhvnoI5ij9oWl3y+RZ21pAMYuEJnktMHTvDCco w==; X-IronPort-AV: E=McAfee;i="6500,9779,10475"; a="286585486" X-IronPort-AV: E=Sophos;i="5.93,329,1654585200"; d="scan'208";a="286585486" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Sep 2022 15:33:09 -0700 X-IronPort-AV: E=Sophos;i="5.93,329,1654585200"; d="scan'208";a="794030792" Received: from mdroper-desk1.fm.intel.com ([10.1.27.134]) by orsmga005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Sep 2022 15:33:09 -0700 From: Matt Roper To: intel-gfx@lists.freedesktop.org Date: Mon, 19 Sep 2022 15:32:59 -0700 Message-Id: <20220919223259.263525-13-matthew.d.roper@intel.com> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20220919223259.263525-1-matthew.d.roper@intel.com> References: <20220919223259.263525-1-matthew.d.roper@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 12/12] drm/i915/mtl: Add multicast steering for media GT 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: dri-devel@lists.freedesktop.org Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" MTL's media GT only has a single type of steering ("OAADDRM") which selects between media slice 0 and media slice 1. We'll always steer to media slice 0 unless it is fused off (which is the case when VD0, VE0, and SFC0 are all reported as unavailable). Bspec: 67789 Signed-off-by: Matt Roper --- drivers/gpu/drm/i915/gt/intel_gt_mcr.c | 19 +++++++++++++++++-- drivers/gpu/drm/i915/gt/intel_gt_types.h | 1 + drivers/gpu/drm/i915/gt/intel_workarounds.c | 18 +++++++++++++++++- 3 files changed, 35 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/intel_gt_mcr.c b/drivers/gpu/drm/i915/gt/intel_gt_mcr.c index 05f41f1cc88d..04f75c1e0f4e 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_mcr.c +++ b/drivers/gpu/drm/i915/gt/intel_gt_mcr.c @@ -41,6 +41,7 @@ static const char * const intel_steering_types[] = { "MSLICE", "LNCF", "DSS", + "OADDRM", "INSTANCE 0", }; @@ -119,6 +120,12 @@ static const struct intel_mmio_range mtl3d_dss_steering_table[] = { { 0x00DE80, 0x00E8FF }, /* DSS (0xE000-0xE0FF reserved) */ }; +static const struct intel_mmio_range xelpmp_oaddrm_steering_table[] = { + { 0x393200, 0x39323F }, + { 0x393400, 0x3934FF }, +}; + + void intel_gt_mcr_init(struct intel_gt *gt) { struct drm_i915_private *i915 = gt->i915; @@ -141,8 +148,9 @@ void intel_gt_mcr_init(struct intel_gt *gt) drm_warn(&i915->drm, "mslice mask all zero!\n"); } - if (GRAPHICS_VER_FULL(i915) >= IP_VER(12, 70) && - gt->type == GT_PRIMARY) { + if (MEDIA_VER(i915) >= 13 && gt->type == GT_MEDIA) { + gt->steering_table[OADDRM] = xelpmp_oaddrm_steering_table; + } else if (GRAPHICS_VER_FULL(i915) >= IP_VER(12, 70)) { fuse = REG_FIELD_GET(GT_L3_EXC_MASK, intel_uncore_read(gt->uncore, XEHP_FUSE4)); @@ -435,6 +443,13 @@ static void get_nonterminated_steering(struct intel_gt *gt, *group = 0; *instance = 0; break; + case OADDRM: + if ((VDBOX_MASK(gt) | VEBOX_MASK(gt) | gt->info.sfc_mask) & BIT(0)) + *group = 0; + else + *group = 1; + *instance = 0; + break; default: MISSING_CASE(type); *group = 0; diff --git a/drivers/gpu/drm/i915/gt/intel_gt_types.h b/drivers/gpu/drm/i915/gt/intel_gt_types.h index 2a0441410ec7..5fa59a66dba2 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_types.h +++ b/drivers/gpu/drm/i915/gt/intel_gt_types.h @@ -60,6 +60,7 @@ enum intel_steering_type { MSLICE, LNCF, DSS, + OADDRM, /* * On some platforms there are multiple types of MCR registers that diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c index 2562ad83966b..9227391fc144 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c @@ -1585,12 +1585,28 @@ mtl_3d_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal) } } +static void +mtl_media_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal) +{ + /* + * Unlike older platforms, we no longer setup implicit steering here; + * all MCR accesses are explicitly steered. + */ + if (drm_debug_enabled(DRM_UT_DRIVER)) { + struct drm_printer p = drm_debug_printer("MCR Steering:"); + + intel_gt_mcr_report_steering(&p, gt, false); + } +} + static void gt_init_workarounds(struct intel_gt *gt, struct i915_wa_list *wal) { struct drm_i915_private *i915 = gt->i915; - if (IS_METEORLAKE(i915) && gt->type == GT_PRIMARY) + if (IS_METEORLAKE(i915) && gt->type == GT_MEDIA) + mtl_media_gt_workarounds_init(gt, wal); + else if (IS_METEORLAKE(i915) && gt->type == GT_PRIMARY) mtl_3d_gt_workarounds_init(gt, wal); else if (IS_PONTEVECCHIO(i915)) pvc_gt_workarounds_init(gt, wal);