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 29CCBC7619A for ; Thu, 23 Mar 2023 22:59:12 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 68A5310E4A2; Thu, 23 Mar 2023 22:59:04 +0000 (UTC) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7BD6310E4A2 for ; Thu, 23 Mar 2023 22:59:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1679612342; x=1711148342; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=zonvOQHDqGAMocG0qpbzglOwJO43SKIEmCrUCmYOIVk=; b=hd5RLYvPFUqqWwf73XIFyr99NIT7NC1m8HKApKwzrI7XRshq7UbgPZE5 qFHA6a5ISSUIvyzRvBnl+TeHOVQuXgZe24Ysmw1xgA+kVtAh7cEXXkWwp /beEhhMCw1i0oocMjueiNTUGEEuNTe7bLn1udygJAzVVxMu6q6vCD/ohE EOBwIdL33+XiniW8s3e0nGhfutF9lFUpPrzCFBWq9Ivp5spra9XFmp0BU dHosqo8qDq/OaEmnbIJU5+N1s7ynzYNTbwVRwP9kPAShJvEZ0V20NpyEn DYmomYEVpDyxfobwc7v1LrWH5y87PUFKJn6LghPSaQMlKt31mXJdhGA7F Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10658"; a="320033248" X-IronPort-AV: E=Sophos;i="5.98,286,1673942400"; d="scan'208";a="320033248" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Mar 2023 15:59:02 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10658"; a="771639213" X-IronPort-AV: E=Sophos;i="5.98,286,1673942400"; d="scan'208";a="771639213" Received: from orsosgc001.jf.intel.com ([10.165.21.138]) by fmsmga003-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Mar 2023 15:59:01 -0700 From: Umesh Nerlige Ramappa To: intel-gfx@lists.freedesktop.org Date: Thu, 23 Mar 2023 15:58:51 -0700 Message-Id: <20230323225901.3743681-2-umesh.nerlige.ramappa@intel.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20230323225901.3743681-1-umesh.nerlige.ramappa@intel.com> References: <20230323225901.3743681-1-umesh.nerlige.ramappa@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [Intel-gfx] [PATCH 01/11] drm/i915/perf: Drop wakeref on GuC RC error X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Chris Wilson If we fail to adjust the GuC run-control on opening the perf stream, make sure we unwind the wakeref just taken. v2: Retain old goto label names (Ashutosh) v3: Drop bitfield boolean Fixes: 01e742746785 ("drm/i915/guc: Support OA when Wa_16011777198 is enabled") Signed-off-by: Chris Wilson Reviewed-by: Ashutosh Dixit --- drivers/gpu/drm/i915/i915_perf.c | 14 +++++++++----- drivers/gpu/drm/i915/i915_perf_types.h | 6 ++++++ 2 files changed, 15 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c index 824a34ec0b83..283a4a3c6862 100644 --- a/drivers/gpu/drm/i915/i915_perf.c +++ b/drivers/gpu/drm/i915/i915_perf.c @@ -1592,9 +1592,7 @@ static void i915_oa_stream_destroy(struct i915_perf_stream *stream) /* * Wa_16011777198:dg2: Unset the override of GUCRC mode to enable rc6. */ - if (intel_uc_uses_guc_rc(>->uc) && - (IS_DG2_GRAPHICS_STEP(gt->i915, G10, STEP_A0, STEP_C0) || - IS_DG2_GRAPHICS_STEP(gt->i915, G11, STEP_A0, STEP_B0))) + if (stream->override_gucrc) drm_WARN_ON(>->i915->drm, intel_guc_slpc_unset_gucrc_mode(>->uc.guc.slpc)); @@ -3305,8 +3303,10 @@ static int i915_oa_stream_init(struct i915_perf_stream *stream, if (ret) { drm_dbg(&stream->perf->i915->drm, "Unable to override gucrc mode\n"); - goto err_config; + goto err_gucrc; } + + stream->override_gucrc = true; } ret = alloc_oa_buffer(stream); @@ -3345,11 +3345,15 @@ static int i915_oa_stream_init(struct i915_perf_stream *stream, free_oa_buffer(stream); err_oa_buf_alloc: - free_oa_configs(stream); + if (stream->override_gucrc) + intel_guc_slpc_unset_gucrc_mode(>->uc.guc.slpc); +err_gucrc: intel_uncore_forcewake_put(stream->uncore, FORCEWAKE_ALL); intel_engine_pm_put(stream->engine); + free_oa_configs(stream); + err_config: free_noa_wait(stream); diff --git a/drivers/gpu/drm/i915/i915_perf_types.h b/drivers/gpu/drm/i915/i915_perf_types.h index ca150b7af3f2..4d5d8c365d9e 100644 --- a/drivers/gpu/drm/i915/i915_perf_types.h +++ b/drivers/gpu/drm/i915/i915_perf_types.h @@ -316,6 +316,12 @@ struct i915_perf_stream { * buffer should be checked for available data. */ u64 poll_oa_period; + + /** + * @override_gucrc: GuC RC has been overridden for the perf stream, + * and we need to restore the default configuration on release. + */ + bool override_gucrc; }; /** -- 2.36.1