From patchwork Fri Jan 13 02:27:52 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vinay Belgaumkar X-Patchwork-Id: 13099664 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 275DEC54EBE for ; Fri, 13 Jan 2023 02:27:27 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 825AD10E973; Fri, 13 Jan 2023 02:27:26 +0000 (UTC) Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id A798D10E973; Fri, 13 Jan 2023 02:27:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1673576844; x=1705112844; h=from:to:subject:date:message-id:mime-version: content-transfer-encoding; bh=PYgY6k1kTTStNwoUMDiYP1M83i0HrE0B+rIMCGib/b0=; b=C8eLFbhMK5hDMAj6osfY6OoJOHda5UftINGMNELnpgfkdKb/QJH5cRaQ yofGDest37Ml2kh/spS+VmT+igAHAE46ja/fihrmJlLKBC20n3js6xabA +vDF17aK40yMEooYt2scB/Lgv8qxSkj6iKb7i5ccsJg/2WC4AjhWb4wOW W7sJqeYSAmmHFYe9io+Khm08uR8dy3ueqdnLJjSuhdObmKvM6xAjO6kxv IqROSyBEf7nKbWLAn/IqN4lJDWTfjAIwU3WA9hJTBjOfFfZ3h8MX1rbeF RSteriCjGB/HS9OvlxknDcsS1cahzX/RD9+/uNABadivfuFSQtx7HHwBZ A==; X-IronPort-AV: E=McAfee;i="6500,9779,10588"; a="322591934" X-IronPort-AV: E=Sophos;i="5.97,212,1669104000"; d="scan'208";a="322591934" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Jan 2023 18:27:23 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10588"; a="746777726" X-IronPort-AV: E=Sophos;i="5.97,212,1669104000"; d="scan'208";a="746777726" Received: from vbelgaum-ubuntu.fm.intel.com ([10.1.27.27]) by FMSMGA003.fm.intel.com with ESMTP; 12 Jan 2023 18:27:23 -0800 From: Vinay Belgaumkar To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Date: Thu, 12 Jan 2023 18:27:52 -0800 Message-Id: <20230113022752.3151066-1-vinay.belgaumkar@intel.com> X-Mailer: git-send-email 2.38.1 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH] drm/i915/mtl: Connect root sysfs entries to GT0 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: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Reading current root sysfs entries gives a min/max of all GTs. Updating this so we return default (GT0) values when root level sysfs entries are accessed, instead of min/max for the card. Tests that are not multi GT capable will read incorrect sysfs values without this change on multi-GT platforms like MTL. Fixes: a8a4f0467d70 ("drm/i915: Fix CFI violations in gt_sysfs") Signed-off-by: Vinay Belgaumkar --- drivers/gpu/drm/i915/gt/intel_gt_sysfs_pm.c | 47 +++------------------ 1 file changed, 6 insertions(+), 41 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/intel_gt_sysfs_pm.c b/drivers/gpu/drm/i915/gt/intel_gt_sysfs_pm.c index cf71305ad586..395ae47483a7 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_sysfs_pm.c +++ b/drivers/gpu/drm/i915/gt/intel_gt_sysfs_pm.c @@ -28,77 +28,42 @@ sysfs_gt_attribute_w_func(struct kobject *kobj, struct attribute *attr, int (func)(struct intel_gt *gt, u32 val), u32 val) { struct intel_gt *gt; - int ret; if (!is_object_gt(kobj)) { - int i; struct device *dev = kobj_to_dev(kobj); struct drm_i915_private *i915 = kdev_minor_to_i915(dev); - for_each_gt(gt, i915, i) { - ret = func(gt, val); - if (ret) - break; - } + gt = to_gt(i915); } else { gt = intel_gt_sysfs_get_drvdata(kobj, attr->name); - ret = func(gt, val); } - return ret; + return func(gt, val); } static u32 sysfs_gt_attribute_r_func(struct kobject *kobj, struct attribute *attr, - u32 (func)(struct intel_gt *gt), - enum intel_gt_sysfs_op op) + u32 (func)(struct intel_gt *gt)) { struct intel_gt *gt; - u32 ret; - - ret = (op == INTEL_GT_SYSFS_MAX) ? 0 : (u32) -1; if (!is_object_gt(kobj)) { - int i; struct device *dev = kobj_to_dev(kobj); struct drm_i915_private *i915 = kdev_minor_to_i915(dev); - for_each_gt(gt, i915, i) { - u32 val = func(gt); - - switch (op) { - case INTEL_GT_SYSFS_MIN: - if (val < ret) - ret = val; - break; - - case INTEL_GT_SYSFS_MAX: - if (val > ret) - ret = val; - break; - } - } + gt = to_gt(i915); } else { gt = intel_gt_sysfs_get_drvdata(kobj, attr->name); - ret = func(gt); } - return ret; + return func(gt); } -/* RC6 interfaces will show the minimum RC6 residency value */ -#define sysfs_gt_attribute_r_min_func(d, a, f) \ - sysfs_gt_attribute_r_func(d, a, f, INTEL_GT_SYSFS_MIN) - -/* Frequency interfaces will show the maximum frequency value */ -#define sysfs_gt_attribute_r_max_func(d, a, f) \ - sysfs_gt_attribute_r_func(d, a, f, INTEL_GT_SYSFS_MAX) - #define INTEL_GT_SYSFS_SHOW(_name, _attr_type) \ static ssize_t _name##_show_common(struct kobject *kobj, \ struct attribute *attr, char *buff) \ { \ - u32 val = sysfs_gt_attribute_r_##_attr_type##_func(kobj, attr, \ + u32 val = sysfs_gt_attribute_r_func(kobj, attr, \ __##_name##_show); \ \ return sysfs_emit(buff, "%u\n", val); \