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 E3EC014A82 for ; Tue, 25 Jul 2023 10:50:10 +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 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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;