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 DDCCFC04FFF for ; Tue, 16 Apr 2024 03:05:08 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 368711129A2; Tue, 16 Apr 2024 03:05:08 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="WUMx01gS"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.11]) by gabe.freedesktop.org (Postfix) with ESMTPS id 959EA1129A1 for ; Tue, 16 Apr 2024 03:05:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1713236708; x=1744772708; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=LOuq7qEYUGz5IszKFImI/QK+y/H2ZArTjAkUOhhHtpw=; b=WUMx01gSQ3iFSk3se+UuRe+gU1Gwm04g34NU3MFMbkg/P0rVV3EY0M8o Wu94V7lpIq5JFEFf6jjWvGNdgo1ns8aalGE09idHY7Jn+oRWuZKR/i1ZA m4r9J72jpPFv/MxjVDX3FJAwrfTibCox3IVHQWar63R0hWbFCIMwm2f0m hZtw1PARvaV9nFFGEPFrkm3LQeoFAvLYY2HUIAELiQRToCk1QhOQ8SjFI XQGwK8fjz0kINtd/C/CWnEhlwGOF7eApxLs80ERM8xhbE3WzYHNUDFkXY idcif6uyHMIcxpfKxYGGQ2t+cVrKfsuarK75U7EFXu4XElQBUm8tNuu2B w==; X-CSE-ConnectionGUID: pc+VAdQ+S+2AD4AAXhh7HA== X-CSE-MsgGUID: DFCYIm0xRX+gI4QIH4D+xw== X-IronPort-AV: E=McAfee;i="6600,9927,11045"; a="19213837" X-IronPort-AV: E=Sophos;i="6.07,204,1708416000"; d="scan'208";a="19213837" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Apr 2024 20:05:06 -0700 X-CSE-ConnectionGUID: gHY+E5gTSmaBx8G0KTJW4Q== X-CSE-MsgGUID: jag68hExQq2igxzPDsJXvg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,204,1708416000"; d="scan'208";a="26895696" Received: from lucas-s2600cw.jf.intel.com ([10.165.21.196]) by orviesa004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Apr 2024 20:05:06 -0700 From: Lucas De Marchi To: Cc: Umesh Nerlige Ramappa , Tvrtko Ursulin , Lucas De Marchi Subject: [PATCH 1/7] drm/xe/lrc: Add helper to capture context timestamp Date: Mon, 15 Apr 2024 20:04:48 -0700 Message-ID: <20240416030454.3739862-2-lucas.demarchi@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240416030454.3739862-1-lucas.demarchi@intel.com> References: <20240416030454.3739862-1-lucas.demarchi@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" From: Umesh Nerlige Ramappa Add a helper to capture CTX_TIMESTAMP from the context image so it can be used to calculate the runtime. Signed-off-by: Umesh Nerlige Ramappa Signed-off-by: Lucas De Marchi --- drivers/gpu/drm/xe/regs/xe_lrc_layout.h | 1 + drivers/gpu/drm/xe/xe_lrc.c | 11 +++++++++++ drivers/gpu/drm/xe/xe_lrc.h | 2 ++ drivers/gpu/drm/xe/xe_lrc_types.h | 3 +++ 4 files changed, 17 insertions(+) diff --git a/drivers/gpu/drm/xe/regs/xe_lrc_layout.h b/drivers/gpu/drm/xe/regs/xe_lrc_layout.h index 1825d8f79db6..8780e6c6b649 100644 --- a/drivers/gpu/drm/xe/regs/xe_lrc_layout.h +++ b/drivers/gpu/drm/xe/regs/xe_lrc_layout.h @@ -11,6 +11,7 @@ #define CTX_RING_TAIL (0x06 + 1) #define CTX_RING_START (0x08 + 1) #define CTX_RING_CTL (0x0a + 1) +#define CTX_TIMESTAMP (0x22 + 1) #define CTX_PDP0_UDW (0x30 + 1) #define CTX_PDP0_LDW (0x32 + 1) diff --git a/drivers/gpu/drm/xe/xe_lrc.c b/drivers/gpu/drm/xe/xe_lrc.c index 615bbc372ac6..4bfd8f9c3b46 100644 --- a/drivers/gpu/drm/xe/xe_lrc.c +++ b/drivers/gpu/drm/xe/xe_lrc.c @@ -751,6 +751,7 @@ int xe_lrc_init(struct xe_lrc *lrc, struct xe_hw_engine *hwe, lrc->tile = gt_to_tile(hwe->gt); lrc->ring.size = ring_size; lrc->ring.tail = 0; + lrc->ctx_timestamp = 0; xe_hw_fence_ctx_init(&lrc->fence_ctx, hwe->gt, hwe->fence_irq, hwe->name); @@ -786,6 +787,7 @@ int xe_lrc_init(struct xe_lrc *lrc, struct xe_hw_engine *hwe, xe_drm_client_add_bo(vm->xef->client, lrc->bo); } + xe_lrc_write_ctx_reg(lrc, CTX_TIMESTAMP, 0); xe_lrc_write_ctx_reg(lrc, CTX_RING_START, __xe_lrc_ring_ggtt_addr(lrc)); xe_lrc_write_ctx_reg(lrc, CTX_RING_HEAD, 0); xe_lrc_write_ctx_reg(lrc, CTX_RING_TAIL, lrc->ring.tail); @@ -1444,3 +1446,12 @@ void xe_lrc_snapshot_free(struct xe_lrc_snapshot *snapshot) xe_bo_put(snapshot->lrc_bo); kfree(snapshot); } + +u32 xe_lrc_update_timestamp(struct xe_lrc *lrc, u32 *old_ts) +{ + *old_ts = lrc->ctx_timestamp; + + lrc->ctx_timestamp = xe_lrc_read_ctx_reg(lrc, CTX_TIMESTAMP); + + return lrc->ctx_timestamp; +} diff --git a/drivers/gpu/drm/xe/xe_lrc.h b/drivers/gpu/drm/xe/xe_lrc.h index d32fa31faa2c..ed8af14bd0c0 100644 --- a/drivers/gpu/drm/xe/xe_lrc.h +++ b/drivers/gpu/drm/xe/xe_lrc.h @@ -60,4 +60,6 @@ void xe_lrc_snapshot_capture_delayed(struct xe_lrc_snapshot *snapshot); void xe_lrc_snapshot_print(struct xe_lrc_snapshot *snapshot, struct drm_printer *p); void xe_lrc_snapshot_free(struct xe_lrc_snapshot *snapshot); +u32 xe_lrc_update_timestamp(struct xe_lrc *lrc, u32 *old_ts); + #endif diff --git a/drivers/gpu/drm/xe/xe_lrc_types.h b/drivers/gpu/drm/xe/xe_lrc_types.h index b716df0dfb4e..5765d771b901 100644 --- a/drivers/gpu/drm/xe/xe_lrc_types.h +++ b/drivers/gpu/drm/xe/xe_lrc_types.h @@ -41,6 +41,9 @@ struct xe_lrc { /** @fence_ctx: context for hw fence */ struct xe_hw_fence_ctx fence_ctx; + + /** @ctx_timestamp: readout value of CTX_TIMESTAMP on last update */ + u32 ctx_timestamp; }; struct xe_lrc_snapshot; -- 2.43.0