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 CE2D8F46C6D for ; Mon, 6 Apr 2026 18:25:51 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8C42710E291; Mon, 6 Apr 2026 18:25:51 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="WL0o7MtZ"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.8]) by gabe.freedesktop.org (Postfix) with ESMTPS id 28BCA10E290 for ; Mon, 6 Apr 2026 18:25:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1775499948; x=1807035948; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=j25sDjqCDnbq180WbyrrLZ/+OpGPAh3vPD9NrzyRFzM=; b=WL0o7MtZLbevzZKUXbFw3kGmGuBv9DfFnYeDGGmbUjj6hOLGX0yx+mER /Fx1Lr2F1BSaoxA1ppHrppzXNLYEkde/4cDFWuO27lvGTIXTxjJ6f10ga AZv7k8m/YXuybPStCiKMHQXPxhgOm6MsT6PT5VQj/MMsp0FxDGDnVlNjB lqTwE7yxb3aN6rCVKHZLvIrjj+bTJjxJ3wdApVcOhvQSz85nynz0lkAnF xN9Hjcr7i8CrjVTQe2exh8xJ4Ge9DZc3685VAnhEPGHcjcF4gJW8wfrDb CZTVVmMSjap/8TDMQcZ7NkwTBQ3kuUYT0Ul8rLWFDIYF/ofPKYwyTXiYZ w==; X-CSE-ConnectionGUID: dLKidv2RS0m9aJBJ1xoSWg== X-CSE-MsgGUID: kd4fmiwIQFq/mlAX+aVScg== X-IronPort-AV: E=McAfee;i="6800,10657,11751"; a="94034677" X-IronPort-AV: E=Sophos;i="6.23,164,1770624000"; d="scan'208";a="94034677" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Apr 2026 11:25:47 -0700 X-CSE-ConnectionGUID: ps9phx39Ru6FPKgb7GAfUw== X-CSE-MsgGUID: gcX0a+WrTWGyh+AJnBLOAQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,164,1770624000"; d="scan'208";a="251213734" Received: from xwang-desk.fm.intel.com ([10.121.64.134]) by fmviesa001.fm.intel.com with ESMTP; 06 Apr 2026 11:25:47 -0700 From: Xin Wang To: intel-xe@lists.freedesktop.org Cc: Xin Wang , Matthew Auld Subject: [PATCH 0/2] drm/xe/pat: Type cleanup and invalid index hardening Date: Mon, 6 Apr 2026 11:25:44 -0700 Message-ID: <20260406182546.569131-1-x.wang@intel.com> X-Mailer: git-send-email 2.43.0 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" Small follow-up series to harden the PAT subsystem: Patch 1 fixes two remaining spots where pat_index was typed as u32/int instead of u16, aligning with the rest of the driver. Patch 2 defaults XE_CACHE_NONE_COMPRESSION to XE_PAT_INVALID_IDX (like WB_COMPRESSION already does) and adds xe_assert() guards in xe_migrate to catch any use on platforms that don't support it. Suggested-by: Matthew Auld Xin Wang (2): drm/xe: Standardize pat_index to u16 type drm/xe/pat: Default XE_CACHE_NONE_COMPRESSION to invalid and assert on use drivers/gpu/drm/xe/xe_device_types.h | 2 +- drivers/gpu/drm/xe/xe_migrate.c | 9 +++++++-- drivers/gpu/drm/xe/xe_pat.c | 1 + drivers/gpu/drm/xe/xe_vm.c | 2 +- 4 files changed, 10 insertions(+), 4 deletions(-) -- 2.43.0