From nobody Sun Feb 8 06:54:10 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 7062C188A92; Wed, 27 Mar 2024 12:26:05 +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=1711542365; cv=none; b=l/PBod8HGha1IfxC856R3/plsQ9FjjwqIczqwZT8LVvVnj74m6NIQQAiMZdbR1eEhNl+LUPrdsVY5QSGdTt1+fzrG7gOh6fIZG2Dhs1QkH98YG4OyXDTlu0A2Wdned41ilbLM3CW6p1FehdYj8H0hd9tELrdL9yCfCxZrfRqPkc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711542365; c=relaxed/simple; bh=KHQiRhTRcJRpE1M5wDnDT3b7Li/dBrgfORbLdigvAkY=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=R+QRTKXnJlXyxIrMmOz9lij8w9yKNMXpDIrDd98/bJjYcxHp2Lp3fBW1IGvYy9+7Uz1sodKcH/Mov++kkDfyU7le9bUUNgiuX9xyoV7ZVDQ1rqlBCPSXACPxyKU6tr1/fTKCkN/o+ChfzkQwj433UR08d+SVU5vK8XydLxJrfl0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=K3X8ELlA; 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="K3X8ELlA" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 00A7FC433C7; Wed, 27 Mar 2024 12:26:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711542365; bh=KHQiRhTRcJRpE1M5wDnDT3b7Li/dBrgfORbLdigvAkY=; h=From:To:Cc:Subject:Date:From; b=K3X8ELlAvwjUUpRMpEscTtOYrBgXr/n3/OUpSp4G+g7Pe2qwpznXBVDCX98jkeAUg CcQGaERfspFaIBb+YWacCFDTISi/iB12qWgJU051T07ohx5ewMsw+TJY51JGRQg+GN UPtq+LWLEEBsEn7oZhfdjxEYKJzKKk8furYRwjxOHU6tnxjOaux6CXuEvFd847KQ2S YlIkIkzv5PFomKx9FmjFytZ9iEj5xjSKXAL/AIzfAcF3E99ZpwuLtJ8Fw00Po9oJNE Y3mBdpXl70X0oONLDbZGJpQw8h67rvLtCX0Sjutn/wPOKm5FJDS78/PJTQN4S/xL5k J6QlTC2NtdW2g== 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 4.19-stable tree Date: Wed, 27 Mar 2024 08:26:02 -0400 Message-ID: <20240327122603.2840778-1-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 4.19-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