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 9C389C48285 for ; Mon, 29 Jan 2024 18:17:58 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D0D06112A7A; Mon, 29 Jan 2024 18:17:51 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id 387E9112A7A for ; Mon, 29 Jan 2024 18:17:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1706552272; x=1738088272; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=e289fe5YAi5BMUi4304HBdsUj02zDijEN3gsPR/oHBo=; b=dl5d6ePxQjU4B1RkF/fAZ8S8leXBVfpM55k3Ze5Wcmr+BLeolHz4182u O3el7Andd7P6f+G+YjAeSorL6DXvDyxJ1RQu2+gQtyB8fTChL2RlFgAsj vSnC/j+b0UNUtHlf3t2x3BKPE+wpPryXYmnLtIAXcCKKXW2PpwYhQsSP6 eIyc2pAAkfke2wyAxPNrcC4o0xx5IB+hOB+UHe6rSWfY1S3/VUGw2tJQ2 qi1lxik9bir49P4dv2Y8EeQjGnjB1T2rIuHSN0PGnRDmKb8IZne1SxfJi gpnQtgIVHbMaZ031kmHpregR1sF1fqjmIt+N0UWGB6yEDxzCsQqh3jgxr g==; X-IronPort-AV: E=McAfee;i="6600,9927,10968"; a="2903217" X-IronPort-AV: E=Sophos;i="6.05,227,1701158400"; d="scan'208";a="2903217" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by orvoesa107.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Jan 2024 10:17:51 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.05,227,1701158400"; d="scan'208";a="3439216" Received: from josouza-mobl2.bz.intel.com ([10.87.243.88]) by ORVIESA003-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Jan 2024 10:17:49 -0800 From: =?UTF-8?q?Jos=C3=A9=20Roberto=20de=20Souza?= To: intel-xe@lists.freedesktop.org Subject: [PATCH v3 1/6] drm/xe: Add functions to convert regular address to canonical address and back Date: Mon, 29 Jan 2024 10:17:37 -0800 Message-ID: <20240129181742.183694-1-jose.souza@intel.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 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: , Cc: Jani Nikula , Maarten Lankhorst , Rodrigo Vivi Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Some instructions requires canonical address like MI_BATCH_BUFFER_START(UMDs must call xe_exec with a canonical address for Xe2+). So here adding functions to convert regular address to canonical address and back, the first user of this functions will be added in the next patches. v3: - inline removed - rename highest_address_bit_get() to ppgtt_msb_get() Cc: Rodrigo Vivi Cc: Maarten Lankhorst Cc: Stuart Summers Cc: Jani Nikula Signed-off-by: José Roberto de Souza --- drivers/gpu/drm/xe/xe_device.c | 15 +++++++++++++++ drivers/gpu/drm/xe/xe_device.h | 3 +++ 2 files changed, 18 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c index 6faa7865b1aab..6172d4f987937 100644 --- a/drivers/gpu/drm/xe/xe_device.c +++ b/drivers/gpu/drm/xe/xe_device.c @@ -747,3 +747,18 @@ void xe_device_snapshot_print(struct xe_device *xe, struct drm_printer *p) drm_printf(p, "\tCS reference clock: %u\n", gt->info.reference_clock); } } + +static int ppgtt_msb_get(struct xe_device *xe) +{ + return xe->info.dma_mask_size > 48 ? 57 : 47; +} + +u64 xe_device_canonicalize_addr(struct xe_device *xe, u64 address) +{ + return sign_extend64(address, ppgtt_msb_get(xe)); +} + +u64 xe_device_uncanonicalize_addr(struct xe_device *xe, u64 address) +{ + return address & GENMASK_ULL(ppgtt_msb_get(xe), 0); +} diff --git a/drivers/gpu/drm/xe/xe_device.h b/drivers/gpu/drm/xe/xe_device.h index 270124da1e00e..462f59e902b12 100644 --- a/drivers/gpu/drm/xe/xe_device.h +++ b/drivers/gpu/drm/xe/xe_device.h @@ -177,4 +177,7 @@ u32 xe_device_ccs_bytes(struct xe_device *xe, u64 size); void xe_device_snapshot_print(struct xe_device *xe, struct drm_printer *p); +u64 xe_device_canonicalize_addr(struct xe_device *xe, u64 address); +u64 xe_device_uncanonicalize_addr(struct xe_device *xe, u64 address); + #endif -- 2.43.0