From mboxrd@z Thu Jan 1 00:00:00 1970 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 8741D200AC for ; Sat, 27 Jan 2024 23:16:07 +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=1706397367; cv=none; b=agWaRkXjG6sIyxjy8jqr5HS/NIQh4yC3Wsv3m1zrDP/kZHrE1EGP8iSQieI+lXzPR0NGfE5HouGh535eZnPZPGxWDpg7i0cKscVoGjDvIGcmA1+4ms6kz6beBVb5Tg9XNe4NffSYDpyLwZK80FnaJrrEIxgtA8GgxQPrHXiKg0U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706397367; c=relaxed/simple; bh=64RTAS/9B1i6rOJUpy5Q13YFFsRn+e+sN6k8OuuWYhI=; h=Subject:To:Cc:From:Date:Message-ID:MIME-Version:Content-Type; b=dLmqcvQy86nP5/bHnM/J+V/krWYTroWD4nNg25pGVqP7SPEkpelVsEKjkziRLDE6Gsd0QpHUlguatP8nHYRJPCI/Np7tzpZzLWKMTYR302Id8S4iKT08o3W3657N7CvrTARRsKUPH4OABzjlCGBMzNN3gXevGwW92BXMJlcPJak= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=O61NfLg3; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="O61NfLg3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DB6DCC433C7; Sat, 27 Jan 2024 23:16:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1706397367; bh=64RTAS/9B1i6rOJUpy5Q13YFFsRn+e+sN6k8OuuWYhI=; h=Subject:To:Cc:From:Date:From; b=O61NfLg3/bIf30q/KWd4oo2eTdOvQNhPvzDATf0JURMc5CE1w+Ivb44jDtn8F4Tgj ghSRkL8fPDHxlUye69U/3jvEXEM/PdE1uLTXFGc9Y0WGPwpzGSKLt/UN/D3g1s5ZOY uXNnkkxu4isvbE02a5GFakSUiZA4L3WaogG3A8cM= Subject: FAILED: patch "[PATCH] drm/amd/display: Init link enc resources in dc_state only if" failed to apply to 6.6-stable tree To: dillon.varone@amd.com,alex.hung@amd.com,alexander.deucher@amd.com,daniel.wheeler@amd.com,mario.limonciello@amd.com,martin.leung@amd.com Cc: From: Date: Sat, 27 Jan 2024 15:16:06 -0800 Message-ID: <2024012705-headboard-stoic-61c6@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit The patch below does not apply to the 6.6-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 . To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.6.y git checkout FETCH_HEAD git cherry-pick -x aa36d8971fccb55ef3241cbfff9d1799e31d8628 # git commit -s git send-email --to '' --in-reply-to '2024012705-headboard-stoic-61c6@gregkh' --subject-prefix 'PATCH 6.6.y' HEAD^.. Possible dependencies: aa36d8971fcc ("drm/amd/display: Init link enc resources in dc_state only if res_pool presents") 012a04b1d6af ("drm/amd/display: Refactor phantom resource allocation") 09a4ec5da92c ("drm/amd/display: Refactor dc_state interface") abd26a3252cb ("drm/amd/display: Add dml2 copy functions") b719a9c15d52 ("drm/amd/display: Fix NULL pointer dereference at hibernate") cfab803884f4 ("drm/amd/display: update pixel clock params after stream slice count change in context") ed6e2782e974 ("drm/amd/display: For cursor P-State allow for SubVP") fecbaa0a79ad ("drm/amd/display: save and restore mall state when applying minimal transition") f583db812bc9 ("drm/amd/display: Update FAMS sequence for DCN30 & DCN32") 06ad7e164256 ("drm/amd/display: Destroy DC context while keeping DML and DML2") ddd5298c63e4 ("drm/amd/display: Update cursor limits based on SW cursor fallback limits") 7966f319c66d ("drm/amd/display: Introduce DML2") 6e2c4941ce0c ("drm/amd/display: Move dml code under CONFIG_DRM_AMD_DC_FP guard") 13c0e836316a ("drm/amd/display: Adjust code style for hw_sequencer.h") 1ca965719b5b ("drm/amd/display: Change dc_set_power_state() to bool instead of int") 7441ef0b3ebe ("drm/amd: Propagate failures in dc_set_power_state()") 1288d7020809 ("drm/amd/display: Improve x86 and dmub ips handshake") ad3b63a0d298 ("drm/amd/display: add new windowed mpo odm minimal transition sequence") 177ea58bef72 ("drm/amd/display: reset stream slice count for new ODM policy") c0f8b83188c7 ("drm/amd/display: disable IPS") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From aa36d8971fccb55ef3241cbfff9d1799e31d8628 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 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 460a8010c79f..56feee0ff01b 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)