From patchwork Tue Mar 14 09:01:41 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Hogander, Jouni" X-Patchwork-Id: 13173935 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 EBA11C6FD1F for ; Tue, 14 Mar 2023 09:02:22 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8FEAA10E744; Tue, 14 Mar 2023 09:02:20 +0000 (UTC) Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id D6A0A10E190 for ; Tue, 14 Mar 2023 09:02:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1678784537; x=1710320537; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=LzibEu+AcAuo4m/Y4qo7KPiYQOMup0QpDgYmAoU45a4=; b=Pj/mEI3dvjIBpNNpz0QMk8tjXmUjpRXDwg7lGP7rptLbUc2//Pt81Z50 9RHWbmb+zxuWSWFDKfQw2mW3Me/suwCTe7LVmKQkvRCO/pq4J3AVwW8kL jn1ueCh1YvS3gldqtfBEQvuVYOM8fo7h0RiISIIe5MLLS+5YgsImda4Iu rGHcKtbmCY66vrpeVv0mb4ylKrv/m+yLu2LYgupYGdCO5a106+K8GtxhF dXR4AZkHj4QEF310qKt5t5cWA3sumtEfN32CJ/HcN0JjBe/NBc80JzUD5 kn7ixyAcC6TyIkFTjVMyPJPRNF75a6lKd/YVLgNibfaQ5qJAzWWuztlSr Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10648"; a="325734158" X-IronPort-AV: E=Sophos;i="5.98,259,1673942400"; d="scan'208";a="325734158" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Mar 2023 02:02:13 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10648"; a="679016290" X-IronPort-AV: E=Sophos;i="5.98,259,1673942400"; d="scan'208";a="679016290" Received: from cstoita-mobl.ger.corp.intel.com (HELO jhogande-mobl1.ger.corp.intel.com) ([10.252.60.14]) by orsmga002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Mar 2023 02:02:12 -0700 From: =?utf-8?q?Jouni_H=C3=B6gander?= To: intel-gfx@lists.freedesktop.org Date: Tue, 14 Mar 2023 11:01:41 +0200 Message-Id: <20230314090142.947764-2-jouni.hogander@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230314090142.947764-1-jouni.hogander@intel.com> References: <20230314090142.947764-1-jouni.hogander@intel.com> MIME-Version: 1.0 Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Subject: [Intel-gfx] [PATCH 1/2] drm/i915/psr: Fix Wa_16013835468 and Wa_14015648006 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" PSR WM optimization should be disabled based on any wm level being disabled. Currently it's disabled always when using delayed vblank. Bspec: 71580 Signed-off-by: Jouni Högander --- drivers/gpu/drm/i915/display/intel_display_types.h | 1 + drivers/gpu/drm/i915/display/intel_psr.c | 12 +++++------- drivers/gpu/drm/i915/display/skl_watermark.c | 7 +++++-- 3 files changed, 11 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h index c32bfba06ca1..60504c390408 100644 --- a/drivers/gpu/drm/i915/display/intel_display_types.h +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -1152,6 +1152,7 @@ struct intel_crtc_state { bool has_psr2; bool enable_psr2_sel_fetch; bool req_psr2_sdp_prior_scanline; + bool wm_level_disabled; u32 dc3co_exitline; u16 su_y_granularity; struct drm_dp_vsc_sdp psr_vsc; diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index 44610b20cd29..a6edd65b8edb 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -1177,13 +1177,11 @@ static void intel_psr_enable_source(struct intel_dp *intel_dp, * Wa_16013835468 * Wa_14015648006 */ - if (IS_MTL_DISPLAY_STEP(dev_priv, STEP_A0, STEP_B0) || - IS_DISPLAY_VER(dev_priv, 12, 13)) { - if (crtc_state->hw.adjusted_mode.crtc_vblank_start != - crtc_state->hw.adjusted_mode.crtc_vdisplay) - intel_de_rmw(dev_priv, GEN8_CHICKEN_DCPR_1, 0, - wa_16013835468_bit_get(intel_dp)); - } + if ((IS_MTL_DISPLAY_STEP(dev_priv, STEP_A0, STEP_B0) || + IS_DISPLAY_VER(dev_priv, 12, 13)) && + crtc_state->wm_level_disabled) + intel_de_rmw(dev_priv, GEN8_CHICKEN_DCPR_1, 0, + wa_16013835468_bit_get(intel_dp)); if (intel_dp->psr.psr2_enabled) { if (DISPLAY_VER(dev_priv) == 9) diff --git a/drivers/gpu/drm/i915/display/skl_watermark.c b/drivers/gpu/drm/i915/display/skl_watermark.c index 50a9a6adbe32..afb751c024ba 100644 --- a/drivers/gpu/drm/i915/display/skl_watermark.c +++ b/drivers/gpu/drm/i915/display/skl_watermark.c @@ -2273,9 +2273,12 @@ static int skl_wm_check_vblank(struct intel_crtc_state *crtc_state) return level; /* - * FIXME PSR needs to toggle LATENCY_REPORTING_REMOVED_PIPE_* + * PSR needs to toggle LATENCY_REPORTING_REMOVED_PIPE_* * based on whether we're limited by the vblank duration. - * + */ + crtc_state->wm_level_disabled = level < i915->display.wm.num_levels - 1; + + /* * FIXME also related to skl+ w/a 1136 (also unimplemented as of * now) perhaps? */