From patchwork Tue Apr 25 20:20:53 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Govindapillai, Vinod" X-Patchwork-Id: 13223769 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 B9BCFC77B61 for ; Tue, 25 Apr 2023 20:21:22 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2A90510E7E2; Tue, 25 Apr 2023 20:21:22 +0000 (UTC) Received: from mga06.intel.com (mga06b.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9CCE910E7E2 for ; Tue, 25 Apr 2023 20:21:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1682454079; x=1713990079; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=KYPNkrUxT305Vzo3xS+iUxTh8JzXHVL3MFG6qVltZS0=; b=PkN9J+iX47h3nwA5p0HffPpQZAFDEGjlQmxI0KR6r+8jIR3EIrshQIgp TGtPE4lY8K+o8HNPZy2GmDny1L+F6dWSEoQ3j9ztVAueH/mlV0aRlHLwk 9sI7jKA/ZXnWfI34Y+zCWDdMEDeTGLUE4yOIf9JgK/AVL8B/38KyrulyW 7QBQ0XIUpVDagpFFZqdebi7ckf6S3wrbw+QQxvSn5o4yP+STQJDtygr36 9B/K031kDeMUjBGtF71xw6mLcAWktOGD+/c0S4rU0dL74iBE8SV6upQlH 04/KJFcY9s8FN1TGDE8XY87gggVp42tR6xN52BcwlknbmVpR2JL/7PovX g==; X-IronPort-AV: E=McAfee;i="6600,9927,10691"; a="409854228" X-IronPort-AV: E=Sophos;i="5.99,226,1677571200"; d="scan'208";a="409854228" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Apr 2023 13:21:19 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10691"; a="693663071" X-IronPort-AV: E=Sophos;i="5.99,226,1677571200"; d="scan'208";a="693663071" Received: from aazuev-mobl.ccr.corp.intel.com (HELO vgovind2-mobl3.intel.com) ([10.252.59.124]) by orsmga002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Apr 2023 13:21:17 -0700 From: Vinod Govindapillai To: intel-gfx@lists.freedesktop.org Date: Tue, 25 Apr 2023 23:20:53 +0300 Message-Id: <20230425202056.1143994-5-vinod.govindapillai@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230425202056.1143994-1-vinod.govindapillai@intel.com> References: <20230425202056.1143994-1-vinod.govindapillai@intel.com> MIME-Version: 1.0 Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Subject: [Intel-gfx] [PATCH v1 4/7] drm/i915: modify max_bw to return index to intel_bw_info 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: , Cc: ville.syrjala@intel.com, gustavo.souza@intel.com Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" MTL uses the peak BW of a QGV point to lock the required QGV point instead of the QGV index. Instead of passing the deratedbw of the selected bw_info, return the index to the selected bw_info so that either deratedbw or peakbw can be used based on the platform. Signed-off-by: Vinod Govindapillai --- drivers/gpu/drm/i915/display/intel_bw.c | 25 ++++++++++++++++--------- 1 file changed, 16 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c index a3b8512ebe8a..fd0b08fd6555 100644 --- a/drivers/gpu/drm/i915/display/intel_bw.c +++ b/drivers/gpu/drm/i915/display/intel_bw.c @@ -592,8 +592,8 @@ static void dg2_get_bw_info(struct drm_i915_private *i915) i915->display.sagv.status = I915_SAGV_NOT_CONTROLLED; } -static unsigned int icl_max_bw(struct drm_i915_private *dev_priv, - int num_planes, int qgv_point) +static unsigned int icl_max_bw_index(struct drm_i915_private *dev_priv, + int num_planes, int qgv_point) { int i; @@ -614,14 +614,14 @@ static unsigned int icl_max_bw(struct drm_i915_private *dev_priv, return UINT_MAX; if (num_planes >= bi->num_planes) - return bi->deratedbw[qgv_point]; + return i; } return 0; } -static unsigned int tgl_max_bw(struct drm_i915_private *dev_priv, - int num_planes, int qgv_point) +static unsigned int tgl_max_bw_index(struct drm_i915_private *dev_priv, + int num_planes, int qgv_point) { int i; @@ -642,10 +642,10 @@ static unsigned int tgl_max_bw(struct drm_i915_private *dev_priv, return UINT_MAX; if (num_planes <= bi->num_planes) - return bi->deratedbw[qgv_point]; + return i; } - return dev_priv->display.bw.max[0].deratedbw[qgv_point]; + return 0; } static unsigned int adl_psf_bw(struct drm_i915_private *dev_priv, @@ -822,12 +822,19 @@ static int icl_find_qgv_points(struct drm_i915_private *i915, return ret; for (i = 0; i < num_qgv_points; i++) { + unsigned int idx; unsigned int max_data_rate; if (DISPLAY_VER(i915) > 11) - max_data_rate = tgl_max_bw(i915, num_active_planes, i); + tgl_max_bw_index(i915, num_active_planes, i); else - max_data_rate = icl_max_bw(i915, num_active_planes, i); + icl_max_bw_index(i915, num_active_planes, i); + + if (idx > ARRAY_SIZE(i915->display.bw.max)) + continue; + + max_data_rate = i915->display.bw.max[idx].deratedbw[i]; + /* * We need to know which qgv point gives us * maximum bandwidth in order to disable SAGV