From nobody Wed Feb 11 06:30:57 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 953C415358E; Wed, 27 Mar 2024 12:15:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711541712; cv=none; b=BsGSiyACtN5ZFjw7i9pSjOli4Lo39ZKy/BS2Xh+rOkx6XQVo5pbaL6DBEuVeAuyzlolyKuDKU4hGx+8LdHt1d194+K8dmMDnM65dL14gZXHccxLp1Z+1QEgbvtzE3juWrptfsvAN4+4NiIvDfUFs4wycCS0StnJxIn06VqJ2CIM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711541712; c=relaxed/simple; bh=Hfp089yn9i2MdiSv3nIbonNUEeAoAI4FMH2N2rlxcDs=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=aAgetQe+qyaBS+y5vyChRO1GoT5dZFLBjCeQK9fZsXDzNOpLUBqCdHv5KI0RmK/V9tZuGsEx5Tgue1uxfjwCrp7UkRoRWwqPkhNzpaoi+O7RcW/kE+2lQYSq0hDPPiwgV/9YZUI/js1tr8gebyryoNRqiWSUlg8houolwNjY4Xo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=pFCt8Nw2; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="pFCt8Nw2" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 48CE6C43390; Wed, 27 Mar 2024 12:15:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711541712; bh=Hfp089yn9i2MdiSv3nIbonNUEeAoAI4FMH2N2rlxcDs=; h=From:To:Cc:Subject:Date:From; b=pFCt8Nw2hvvhtW9WnRdA+bsvG7HlO27PWHxke857oxmcW83olIYFeV8UBOmhywTx0 o9kgIHdAOaJNMsNAmXm2DZRkNWgwqLUeUhVk94b2LMLY27229rzPoquWpN1sLG2rls 0JousyHLjhINLKkjQt/aT3sC77sYWRfhU7NT29uWk2PrrJAWHVN1HiVD01MW53iDVG IjWZfcPLp4IBsrAjQgy3Kv5zCnflvNE+Q412TuLwQYiQUNQTmMfUH5Zfr6//N4o+EM 5UX5P9+b9VReFX/D83V53zcP00mT5VtvJoxmNht4dlRVOTePo9VI68+tayDf34YwI1 Dy4h5U698ozgQ== 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 5.15-stable tree Date: Wed, 27 Mar 2024 08:15:10 -0400 Message-ID: <20240327121510.2831696-1-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Hint: ignore X-stable: review Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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 Acked-by: Alex Hung Reviewed-by: Martin Leung Tested-by: Daniel Wheeler ------------------ 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/d= rm/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 =3D dc->clk_mgr; =20 /* Initialise DIG link encoder resource tracking variables. */ - link_enc_cfg_init(dc, state); + if (dc->res_pool) + link_enc_cfg_init(dc, state); } =20 void dc_state_destruct(struct dc_state *state) --=20 2.43.0