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 EDD97CD1284 for ; Wed, 27 Mar 2024 12:17:34 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1FD9510FB9E; Wed, 27 Mar 2024 12:17:34 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="QO2Sopbf"; dkim-atps=neutral Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by gabe.freedesktop.org (Postfix) with ESMTPS id C1C8D10FB9A; Wed, 27 Mar 2024 12:17:32 +0000 (UTC) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 3F9B2614CD; Wed, 27 Mar 2024 12:17:32 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EF415C433C7; Wed, 27 Mar 2024 12:17:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711541852; bh=ak7Uh65Sq2scJrNXgyjVRicKsR3l0RoL+E04ZeXD43I=; h=From:To:Cc:Subject:Date:From; b=QO2SopbfIVCYmYMcH8F1V9KpAjRVEjFRwAuNOSmtyYBYtZSK7ZfDW9ektMqKEn7/p HJu27an8inAZ9yFqci4A8oLyQf942IjT/voDUajpZxkiEL3jkFyaNXtD5MsDHWBVqN jDeh8/j1xU8OAymQ25y5CHNfkbOPXSdgVOICZkyR2qfcCgrFVTtTIW4bZgtTiu6/VH 6mHNjrnydcQ9BAjDS/ZLQJlR3SKOsiGeKWzmxnn7BYcQgZF46Jjl9FscHtzfDNpJyj DBZUA/OZkqraXVvjHgepOLH5Q/+2R+tOl7vBSMyAbZE1IipoJ3vX1UM+bIkGgssxTu XoQ/dbkp4mP6g== From: Sasha Levin To: stable@vger.kernel.org, nicholas.kazlauskas@amd.com Cc: Mario Limonciello , Alex Deucher , Duncan Ma , Alex Hung , Daniel Wheeler , amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: FAILED: Patch "drm/amd/display: Fix idle check for shared firmware state" failed to apply to 5.15-stable tree Date: Wed, 27 Mar 2024 08:17:29 -0400 Message-ID: <20240327121729.2833581-1-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 X-Patchwork-Hint: ignore X-stable: review Content-Transfer-Encoding: 8bit X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" The patch below does not apply to the 5.15-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . Thanks, Sasha ------------------ original commit in Linus's tree ------------------ >From 3d066f9547dd58329b526db44f42c487a7974703 Mon Sep 17 00:00:00 2001 From: Nicholas Kazlauskas Date: Wed, 21 Feb 2024 12:27:31 -0500 Subject: [PATCH] drm/amd/display: Fix idle check for shared firmware state [WHY] We still had an instance of get_idle_state checking the PMFW scratch register instead of the actual idle allow signal. [HOW] Replace it with the SW state check for whether we had allowed idle through notify_idle. Cc: Mario Limonciello Cc: Alex Deucher Cc: stable@vger.kernel.org Reviewed-by: Duncan Ma Acked-by: Alex Hung Signed-off-by: Nicholas Kazlauskas Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/core/dc.c | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 613d09c42f3b9..958552a8605ff 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -4847,22 +4847,16 @@ void dc_exit_ips_for_hw_access(struct dc *dc) bool dc_dmub_is_ips_idle_state(struct dc *dc) { - uint32_t idle_state = 0; - if (dc->debug.disable_idle_power_optimizations) return false; if (!dc->caps.ips_support || (dc->config.disable_ips == DMUB_IPS_DISABLE_ALL)) return false; - if (dc->hwss.get_idle_state) - idle_state = dc->hwss.get_idle_state(dc); - - if (!(idle_state & DMUB_IPS1_ALLOW_MASK) || - !(idle_state & DMUB_IPS2_ALLOW_MASK)) - return true; + if (!dc->ctx->dmub_srv) + return false; - return false; + return dc->ctx->dmub_srv->idle_allowed; } /* set min and max memory clock to lowest and highest DPM level, respectively */ -- 2.43.0