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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1F01DC001DF for ; Tue, 25 Jul 2023 10:50:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233764AbjGYKur (ORCPT ); Tue, 25 Jul 2023 06:50:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58506 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233766AbjGYKu2 (ORCPT ); Tue, 25 Jul 2023 06:50:28 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B4B3A1FFA for ; Tue, 25 Jul 2023 03:50:11 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 52FB961648 for ; Tue, 25 Jul 2023 10:50:11 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6906BC433C8; Tue, 25 Jul 2023 10:50:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1690282210; bh=d5u29PkFHU5M4AVwKAW5UzJ/SzyrOt0Mh00oKMvMpjU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=wHLy3i9dqRyMMkjWz/xoMLIY+7+BCqH5cdmi8OvaBMhcFv1yKtNSWeiT5wPD2E5wY wZv5NdOZoacC6wKWuM9HqjW+a82Mb9rdzk4npNv7nowx8GFPyTvl7Wgq/awAp8lPWe N29EaWuQNorSfQVkp6v6c+3EpSw35UNwCYojW2Jo= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Ben Skeggs , Karol Herbst Subject: [PATCH 6.4 048/227] drm/nouveau/kms/nv50-: init hpd_irq_lock for PIOR DP Date: Tue, 25 Jul 2023 12:43:35 +0200 Message-ID: <20230725104516.790119455@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230725104514.821564989@linuxfoundation.org> References: <20230725104514.821564989@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Ben Skeggs commit ea293f823a8805735d9e00124df81a8f448ed1ae upstream. Fixes OOPS on boards with ANX9805 DP encoders. Cc: stable@vger.kernel.org # 6.4+ Signed-off-by: Ben Skeggs Reviewed-by: Karol Herbst Signed-off-by: Karol Herbst Link: https://patchwork.freedesktop.org/patch/msgid/20230719044051.6975-3-skeggsb@gmail.com Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/nouveau/dispnv50/disp.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/drivers/gpu/drm/nouveau/dispnv50/disp.c +++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c @@ -1873,6 +1873,8 @@ nv50_pior_destroy(struct drm_encoder *en nvif_outp_dtor(&nv_encoder->outp); drm_encoder_cleanup(encoder); + + mutex_destroy(&nv_encoder->dp.hpd_irq_lock); kfree(encoder); } @@ -1917,6 +1919,8 @@ nv50_pior_create(struct drm_connector *c nv_encoder->i2c = ddc; nv_encoder->aux = aux; + mutex_init(&nv_encoder->dp.hpd_irq_lock); + encoder = to_drm_encoder(nv_encoder); encoder->possible_crtcs = dcbe->heads; encoder->possible_clones = 0;