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 1AE27CD1284 for ; Wed, 27 Mar 2024 12:06:53 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6B85E10FA69; Wed, 27 Mar 2024 12:06:52 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="sywAYK5S"; 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 DF37410FA66; Wed, 27 Mar 2024 12:06:50 +0000 (UTC) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 3E59761517; Wed, 27 Mar 2024 12:06:50 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D5E47C43390; Wed, 27 Mar 2024 12:06:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711541210; bh=nQARrklugCKpFHxZuMeLwdB5VabpdlME1of8SexhGGI=; h=From:To:Cc:Subject:Date:From; b=sywAYK5S1EGyd6XN7SVrwzbzPBgTIllZwiNRw9NtkDlB8LOX9nxK1I8jMeYgnZ+f6 o/P0Jpzj2ZaO04aObS1VF+0BYbNDH8XL2DUEaCikHXxuEdo+/nQrNhRb6ECKawhSA6 TRXq0EguD6mkuSq8C6mzFVqbCgcbKo5WNoRpEINcNJwqQ0o8k+cFEgIO1WJOYPLj8/ tCPXC195UqQ7JBeCyRjLHcFdFpgqrVovNSp/9Wfm/jXP3xsSPyKHuEg754rrYnjnvG 2wVs4qZ8hTmZKF0KpzfHW7Mz4QwdLgUoGbuSNUTbTqYQFgMeER457hEVGwoP/+U9hf 1JxPzH7ZEnJ3w== From: Sasha Levin To: stable@vger.kernel.org, dillon.varone@amd.com Cc: Mario Limonciello , Alex Deucher , Martin Leung , 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: Init link enc resources in dc_state only if res_pool presents" failed to apply to 6.8-stable tree Date: Wed, 27 Mar 2024 08:06:47 -0400 Message-ID: <20240327120648.2824787-1-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 6.8-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 ca25a2b5f841f991e472e2dde7f5e2d337dbea08 Mon Sep 17 00:00:00 2001 From: Dillon Varone Date: Thu, 28 Dec 2023 21:36:39 -0500 Subject: [PATCH] drm/amd/display: Init link enc resources in dc_state only if res_pool presents [Why & How] res_pool is not initialized in all situations such as virtual environments, and therefore link encoder resources should not be initialized if res_pool is NULL. Cc: Mario Limonciello Cc: Alex Deucher Cc: stable@vger.kernel.org Reviewed-by: Martin Leung Acked-by: Alex Hung Signed-off-by: Dillon Varone Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/core/dc_state.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_state.c b/drivers/gpu/drm/amd/display/dc/core/dc_state.c index 460a8010c79fe..56feee0ff01b1 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_state.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_state.c @@ -267,7 +267,8 @@ void dc_state_construct(struct dc *dc, struct dc_state *state) state->clk_mgr = dc->clk_mgr; /* Initialise DIG link encoder resource tracking variables. */ - link_enc_cfg_init(dc, state); + if (dc->res_pool) + link_enc_cfg_init(dc, state); } void dc_state_destruct(struct dc_state *state) -- 2.43.0