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 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 1E460C624D0 for ; Tue, 1 Sep 2026 19:28:08 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CB60010EEC8; Tue, 1 Sep 2026 19:28:07 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="TyKRhQTD"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.17]) by gabe.freedesktop.org (Postfix) with ESMTPS id 29FD010EEC8 for ; Tue, 1 Sep 2026 19:28:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1788290887; x=1819826887; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=ROEXHWhgzs8wUa4LD+7GiBOqxLwSpUh26t2DcZIT2mE=; b=TyKRhQTD9IlLXrEB6IrAM1Vmh24F0bihwR0wY5Fn/JYkIY9kr90aXhFv cvmN/vlzfkdxOOpAWUUa33Xdx84qa8GemPhKndzywgU2bBrg70PlbZQsF 26OMjwjgEKCKWfsVHCf+rvYY33tnX7CmhQQKwgFb05RsJxYXQqwyiB2uB IGVj53FBM1I1SjkBJ4NqMuf0Amlb3ceMozJ5z7BJa0aPmmmJ/gMm8L6ab lwqM1Zct7XKA62GNj8o0IqoZd4zsyzT3947VjyXNckWCqJzqRQLnyL04I ydXZs2IBhwGQ5Nj/CZb9k2RIYP/Ef0iuSXi5KSOk82fm34U4wvxt6G4jR g==; X-CSE-ConnectionGUID: haVuXnUNRq+HoR2EQjjlRA== X-CSE-MsgGUID: y9Y53KSLR1OJFmOF2q0RIg== X-IronPort-AV: E=McAfee;i="6800,10657,11893"; a="88762559" X-IronPort-AV: E=Sophos;i="6.25,256,1779174000"; d="scan'208";a="88762559" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by orvoesa109.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Sep 2026 12:28:07 -0700 X-CSE-ConnectionGUID: FbkrPw9VR0mBtIN4DQupgg== X-CSE-MsgGUID: 24WXr35fSZ2y0oprFkSeww== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,256,1779174000"; d="scan'208";a="269776834" Received: from mjruhl-vm.amr.corp.intel.com ([10.11.186.166]) by orviesa009-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Sep 2026 12:28:07 -0700 From: "Michael J. Ruhl" To: platform-driver-x86@vger.kernel.org, intel-xe@lists.freedesktop.org, hansg@kernel.org, ilpo.jarvinen@linux.intel.com, matthew.brost@intel.com, rodrigo.vivi@intel.com, thomas.hellstrom@linux.intel.com, airlied@gmail.com, simona@ffwll.ch, david.e.box@linux.intel.com, anoop.c.vijay@intel.com, badal.nilawar@intel.com, matthew.d.roper@intel.com, james.ausmus@intel.com, karthik.poosa@intel.com Subject: [PATCH v4 17/18] drm/xe/vsec: Update PMT internal access Date: Tue, 1 Sep 2026 12:27:52 -0700 Message-ID: <20260901192736.626777-37-michael.j.ruhl@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260901192736.626777-20-michael.j.ruhl@intel.com> References: <20260901192736.626777-20-michael.j.ruhl@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Current PMT internal access assumes BMG devices. Use the new PMT GUID API to read the device specific guid. Minor cleanup for a newly unused parameter (mmio). Signed-off-by: Michael J. Ruhl --- drivers/gpu/drm/xe/xe_debugfs.c | 27 ++++++++++++++------------- drivers/gpu/drm/xe/xe_hwmon.c | 10 ++++++++-- drivers/gpu/drm/xe/xe_pcode.c | 10 ++++++++-- 3 files changed, 30 insertions(+), 17 deletions(-) diff --git a/drivers/gpu/drm/xe/xe_debugfs.c b/drivers/gpu/drm/xe/xe_debugfs.c index b01f1e649b51..f17b993755f3 100644 --- a/drivers/gpu/drm/xe/xe_debugfs.c +++ b/drivers/gpu/drm/xe/xe_debugfs.c @@ -5,6 +5,7 @@ #include "xe_debugfs.h" +#include #include #include #include @@ -21,7 +22,6 @@ #include "xe_gt_printk.h" #include "xe_guc_ads.h" #include "xe_hw_engine.h" -#include "xe_mmio.h" #include "xe_pagefault.h" #include "xe_pcode.h" #include "xe_pm.h" @@ -97,16 +97,20 @@ static void xe_fault_inject_debugfs_register(struct xe_device *xe, } } -static void read_residency_counter(struct xe_device *xe, struct xe_mmio *mmio, - u32 offset, const char *name, struct drm_printer *p) +static void read_residency_counter(struct xe_device *xe, u32 offset, const char *name, + struct drm_printer *p) { u64 residency = 0; - + u32 guid; int ret; - ret = xe_pmt_telem_read(xe->drm.dev, - xe_mmio_read32(mmio, BMG_PUNIT_TELEMETRY_GUID), - &residency, offset, sizeof(residency)); + ret = xe_vsec_get_guid(xe, &guid); + if (ret) { + drm_warn(&xe->drm, "PMT device is not available: %d\n", ret); + return; + } + + ret = xe_pmt_telem_read(xe->drm.dev, guid, &residency, offset, sizeof(residency)); if (ret != sizeof(residency)) { drm_warn(&xe->drm, "%s counter failed to read, ret %d\n", name, ret); return; @@ -245,13 +249,12 @@ static int pcode_info(struct seq_file *m, void *data) static int dgfx_pkg_residencies_show(struct seq_file *m, void *data) { struct xe_device *xe; - struct xe_mmio *mmio; struct drm_printer p; xe = node_to_xe(m->private); p = drm_seq_file_printer(m); guard(xe_pm_runtime)(xe); - mmio = xe_root_tile_mmio(xe); + static const struct { u32 offset; const char *name; @@ -265,7 +268,7 @@ static int dgfx_pkg_residencies_show(struct seq_file *m, void *data) }; for (int i = 0; i < ARRAY_SIZE(residencies); i++) - read_residency_counter(xe, mmio, residencies[i].offset, residencies[i].name, &p); + read_residency_counter(xe, residencies[i].offset, residencies[i].name, &p); return 0; } @@ -273,13 +276,11 @@ static int dgfx_pkg_residencies_show(struct seq_file *m, void *data) static int dgfx_pcie_link_residencies_show(struct seq_file *m, void *data) { struct xe_device *xe; - struct xe_mmio *mmio; struct drm_printer p; xe = node_to_xe(m->private); p = drm_seq_file_printer(m); guard(xe_pm_runtime)(xe); - mmio = xe_root_tile_mmio(xe); static const struct { u32 offset; @@ -291,7 +292,7 @@ static int dgfx_pcie_link_residencies_show(struct seq_file *m, void *data) }; for (int i = 0; i < ARRAY_SIZE(residencies); i++) - read_residency_counter(xe, mmio, residencies[i].offset, residencies[i].name, &p); + read_residency_counter(xe, residencies[i].offset, residencies[i].name, &p); return 0; } diff --git a/drivers/gpu/drm/xe/xe_hwmon.c b/drivers/gpu/drm/xe/xe_hwmon.c index b9740224e07f..c44a7d24816d 100644 --- a/drivers/gpu/drm/xe/xe_hwmon.c +++ b/drivers/gpu/drm/xe/xe_hwmon.c @@ -517,9 +517,15 @@ xe_hwmon_energy_get(struct xe_hwmon *hwmon, int channel, long *energy) if (hwmon->xe->info.platform == XE_BATTLEMAGE) { u64 pmt_val; + u32 guid; - ret = xe_pmt_telem_read(hwmon->xe->drm.dev, - xe_mmio_read32(mmio, BMG_PUNIT_TELEMETRY_GUID), + ret = xe_vsec_get_guid(hwmon->xe, &guid); + if (ret) { + drm_warn(&hwmon->xe->drm, "PMT device is not available: %d\n", ret); + *energy = 0; + return; + } + ret = xe_pmt_telem_read(hwmon->xe->drm.dev, guid, &pmt_val, BMG_ENERGY_STATUS_PMT_OFFSET, sizeof(pmt_val)); if (ret != sizeof(pmt_val)) { drm_warn(&hwmon->xe->drm, "energy read from pmt failed, ret %d\n", ret); diff --git a/drivers/gpu/drm/xe/xe_pcode.c b/drivers/gpu/drm/xe/xe_pcode.c index 844d8c6face6..039c23086990 100644 --- a/drivers/gpu/drm/xe/xe_pcode.c +++ b/drivers/gpu/drm/xe/xe_pcode.c @@ -365,11 +365,17 @@ ALLOW_ERROR_INJECTION(xe_pcode_probe_early, ERRNO); /* See xe_pci_probe */ int xe_get_pcode_version(struct xe_device *xe, struct xe_pcode_version *version) { int ret = 0; + u32 guid; guard(xe_pm_runtime)(xe); - ret = xe_pmt_telem_read(xe->drm.dev, - xe_mmio_read32(xe_root_tile_mmio(xe), BMG_PUNIT_TELEMETRY_GUID), + ret = xe_vsec_get_guid(xe, &guid); + if (ret) { + xe_warn(xe, "PMT device is not availalbe: %d\n", ret); + return ret; + } + + ret = xe_pmt_telem_read(xe->drm.dev, guid, (u64 *)version, PUNIT_VERSION_OFFSET, sizeof(*version)); if (ret != sizeof(*version)) { xe_warn(xe, "pcode version read from PMT failed, ret %pe\n", ERR_PTR(ret)); -- 2.43.0