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 AFD58EE6433 for ; Fri, 15 Sep 2023 07:49:12 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 66BAB10E5D1; Fri, 15 Sep 2023 07:49:12 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8890C10E5C9 for ; Fri, 15 Sep 2023 07:49:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1694764147; x=1726300147; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=E0en4MHuuY+Vj7jm/8F9GTpTDSXF9TxlFi0XavF7Hmo=; b=nzf7/03MBbY53H/VA6nTkomqZy7sinByoIIIbkZd6fXEXsEMhswr4hrO 4uxZlVg4mzfVc4+yPbolaV499kDv6jfLXDLqtWBV2p1lncMmjeioMvK1d hJA22DzyYjD95Gy3Ch92PMNAscZXmei5M8eaGxx/vpzcZp8NYhUf72Myh VI5bVv6YsODbnSKjvqL1BkQa65i1r/cXxcVQfNickhukLXKoD+4vl4O+y okvisuknGoPln+GdgcDHorLH8OjGLiRkaNK8ESFbeiAgJkGALjryo+5nh 9PqOp/kC/ncXpjtlZ67rNO4/pcX+oJMKxFLeZnMH1lSrXIYjVMy3lNTmN g==; X-IronPort-AV: E=McAfee;i="6600,9927,10833"; a="369507588" X-IronPort-AV: E=Sophos;i="6.02,148,1688454000"; d="scan'208";a="369507588" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Sep 2023 00:48:44 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10833"; a="1075711632" X-IronPort-AV: E=Sophos;i="6.02,148,1688454000"; d="scan'208";a="1075711632" Received: from cohrs-mobl1.ger.corp.intel.com (HELO jhogande-mobl1.intel.com) ([10.252.48.100]) by fmsmga005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Sep 2023 00:48:42 -0700 From: =?UTF-8?q?Jouni=20H=C3=B6gander?= To: intel-xe@lists.freedesktop.org Date: Fri, 15 Sep 2023 10:48:15 +0300 Message-Id: <20230915074818.903353-5-jouni.hogander@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230915074818.903353-1-jouni.hogander@intel.com> References: <20230915074818.903353-1-jouni.hogander@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Content-Transfer-Encoding: 8bit Subject: [Intel-xe] [PATCH 4/7] drm/i915/psr: Clear frontbuffer busy bits on flip 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: =?UTF-8?q?Jouni=20H=C3=B6gander?= Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" We are planning to move flush performed from work queue. This means it is possible to have invalidate -> flip -> flush sequence. Handle this by clearing possible busy bits on flip. Signed-off-by: Jouni Högander Reviewed-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20230901093500.3463046-3-jouni.hogander@intel.com (cherry picked from commit 35a97f56d6ccf1870e666fb6efa12a7ec201b9e4) --- drivers/gpu/drm/i915/display/intel_psr.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index 60b486299834..b3d3f002d908 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -2231,6 +2231,12 @@ static void _intel_psr_post_plane_update(const struct intel_atomic_state *state, if (crtc_state->crc_enabled && psr->enabled) psr_force_hw_tracking_exit(intel_dp); + /* + * Clear possible busy bits in case we have + * invalidate -> flip -> flush sequence. + */ + intel_dp->psr.busy_frontbuffer_bits = 0; + mutex_unlock(&psr->lock); } } -- 2.34.1