From patchwork Mon Oct 21 20:15:01 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Matthew Brost X-Patchwork-Id: 13844631 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 169F9D17133 for ; Mon, 21 Oct 2024 20:14:56 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 507C610E59B; Mon, 21 Oct 2024 20:14:47 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="jqPOSecI"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.13]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2E9C010E037; Mon, 21 Oct 2024 20:14:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1729541684; x=1761077684; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=IF3szAzYLAmUMg1AdI9+r6nlyZGZlqpJGjOyeoigxZo=; b=jqPOSecI43d1+ByOkO+D9LNDzEsFzaDjIphE59gLg5bgkGxpRAiY97MQ lUMZNRrspLByHxxM7bKEMMlW+kPbTIOoVwfY6r/CldFWmMeYTZziVwIUW NrQCQrWOKtlJg2tf31cSeLMxmLcuGVF/US8ubRNmcPFpiuMUwaLY/ZC0S OjF62uHF5MTpbnuZJ5zW5Kl0XREJjm+ZGSqPpxWPogOkRaJYP4KF6c6sj DcCxbMwVpCM4/2k0JDOlKNqcuw4pUMSJu5CojC7o4vNwlMAN8aQ2trKUn kWEf12YUiWTO3yLAgONws3Ytove0A+aRvvAP2EYHrSbgbExUKkNLxMIBf w==; X-CSE-ConnectionGUID: tF8IsQvcQoKGNf4sjhNSyw== X-CSE-MsgGUID: EDOLCQMnR4i7GRTo2m8qyw== X-IronPort-AV: E=McAfee;i="6700,10204,11222"; a="40167478" X-IronPort-AV: E=Sophos;i="6.11,199,1725346800"; d="scan'208";a="40167478" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Oct 2024 13:14:44 -0700 X-CSE-ConnectionGUID: sbEwa0sHR8esi8OC+KWngA== X-CSE-MsgGUID: jGuFNRYrTJeGZ/ZcdRqGCg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,221,1725346800"; d="scan'208";a="110472038" Received: from lstrano-desk.jf.intel.com ([10.54.39.91]) by orviesa002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Oct 2024 13:14:43 -0700 From: Matthew Brost To: intel-xe@lists.freedesktop.org, dri-devel@lists.freedesktop.org Cc: mika.kuoppala@intel.com, matthew.auld@intel.com, thomas.hellstrom@linux.intel.com Subject: [PATCH v4 1/9] drm/xe: Add xe_bo_vm_access Date: Mon, 21 Oct 2024 13:15:01 -0700 Message-Id: <20241021201509.1668074-2-matthew.brost@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241021201509.1668074-1-matthew.brost@intel.com> References: <20241021201509.1668074-1-matthew.brost@intel.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add xe_bo_vm_access which is wrapper around ttm_bo_vm_access which takes rpm refs for device access. Suggested-by: Thomas Hellström Signed-off-by: Matthew Brost --- drivers/gpu/drm/xe/xe_bo.c | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/xe/xe_bo.c b/drivers/gpu/drm/xe/xe_bo.c index 5b232f2951b1..0261a8b29351 100644 --- a/drivers/gpu/drm/xe/xe_bo.c +++ b/drivers/gpu/drm/xe/xe_bo.c @@ -1236,11 +1236,26 @@ static vm_fault_t xe_gem_fault(struct vm_fault *vmf) return ret; } +static int xe_bo_vm_access(struct vm_area_struct *vma, unsigned long addr, + void *buf, int len, int write) +{ + struct ttm_buffer_object *ttm_bo = vma->vm_private_data; + struct xe_bo *bo = ttm_to_xe_bo(ttm_bo); + struct xe_device *xe = xe_bo_device(bo); + int ret; + + xe_pm_runtime_get(xe); + ret = ttm_bo_vm_access(vma, addr, buf, len, write); + xe_pm_runtime_put(xe); + + return ret; +} + static const struct vm_operations_struct xe_gem_vm_ops = { .fault = xe_gem_fault, .open = ttm_bo_vm_open, .close = ttm_bo_vm_close, - .access = ttm_bo_vm_access + .access = xe_bo_vm_access, }; static const struct drm_gem_object_funcs xe_gem_object_funcs = {