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 X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7F87EC433E0 for ; Thu, 25 Feb 2021 10:38:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 37D8064ECE for ; Thu, 25 Feb 2021 10:38:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235767AbhBYKiI (ORCPT ); Thu, 25 Feb 2021 05:38:08 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55392 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234475AbhBYKQo (ORCPT ); Thu, 25 Feb 2021 05:16:44 -0500 Received: from mail-pl1-x632.google.com (mail-pl1-x632.google.com [IPv6:2607:f8b0:4864:20::632]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4546EC061356 for ; Thu, 25 Feb 2021 02:16:29 -0800 (PST) Received: by mail-pl1-x632.google.com with SMTP id u11so2916785plg.13 for ; Thu, 25 Feb 2021 02:16:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=CzZrf5ZN3dKFJYWBe83SjlOjpZibeUfuJa93ac7YAXk=; b=jQ+HHERLSuqcV29Grg3WAhikDj9vUDlXUXBlEp4E5EI257b4HU7uyTT8eY6GWJMoF7 2YDbh1LC1TY0viJmtlEUakyPipeouh1KUBxw+uD0wvJL/0k13a7Kw721ONcSuziOdcwi 4UIxHaiKplFL1VtfBw8wFJZ6QcozptuSGnZFg= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=CzZrf5ZN3dKFJYWBe83SjlOjpZibeUfuJa93ac7YAXk=; b=mkYb0CvBnyDurkTx48Xo9KQbIvpcz2Ztz3Oy5HA5zxdE/4RH0fabPTm6rwrDCVvlFt Y80VEYIwViybOAuD0jXTUeFz3iJHLWa36mCGu+56H6vU+wF5t2B9KEnxi7A/JyJl46pV pj0EW4DUosdP2VI6MrpT5/IAP2SQRjTSnkP0brIvq9fMQJYKNBjF5BWVO72hIEDbcbRE 1XnXajezBaMoEgDAb8PUupeO5kEuI6uKN+ecw8sPmiuAAPRXNFyMhzNX+UBx3VntFsWv VI3EX9CXa2SP0Q5aSkdk8DR+6CkZjMQQjzuMcAK0DFMkB0djJ540PL5k3enD5jflIKWW IGDQ== X-Gm-Message-State: AOAM531QZvJ2bqjU4BR7dPgNqigjwY4Lt9hjqZReCQDWPNKR56f3YlUh PCgdjD2VtbDgxPtMOvMVDjUonA== X-Google-Smtp-Source: ABdhPJxSUJ4T7sf9r5KfvrKdJu6jBTRF3OdWQWVVUucHE6mUQiixAZdQBEGSo5/E6wQ6PxyWQv8jBA== X-Received: by 2002:a17:90a:d998:: with SMTP id d24mr2582834pjv.169.1614248188900; Thu, 25 Feb 2021 02:16:28 -0800 (PST) Received: from acourbot.tok.corp.google.com ([2401:fa00:8f:203:2550:3154:2c53:b6e7]) by smtp.gmail.com with ESMTPSA id z2sm5848193pfc.8.2021.02.25.02.16.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 25 Feb 2021 02:16:28 -0800 (PST) From: Alexandre Courbot To: Tiffany Lin , Andrew-CT Chen , Rob Herring , Yunfei Dong Cc: Mauro Carvalho Chehab , Hans Verkuil , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, Alexandre Courbot Subject: [PATCH v2 1/8] media: mtk-vcodec: vdec: handle firmware version field Date: Thu, 25 Feb 2021 19:16:05 +0900 Message-Id: <20210225101612.2832444-2-acourbot@chromium.org> X-Mailer: git-send-email 2.30.0.617.g56c4b15f3c-goog In-Reply-To: <20210225101612.2832444-1-acourbot@chromium.org> References: <20210225101612.2832444-1-acourbot@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Firmwares for decoders newer than MT8173 will include an ABI version number in their initialization ack message. Add the capacity to manage it and make initialization fail if the firmware ABI is of a version that we don't support. For MT8173, this ABI version field does not exist ; thus ignore it on this chip. There should only be one firmware version available for it anyway. Signed-off-by: Alexandre Courbot --- .../mtk-vcodec/mtk_vcodec_dec_stateful.c | 1 + .../platform/mtk-vcodec/mtk_vcodec_drv.h | 4 ++++ .../media/platform/mtk-vcodec/vdec_ipi_msg.h | 5 +++++ .../media/platform/mtk-vcodec/vdec_vpu_if.c | 21 +++++++++++++++++-- 4 files changed, 29 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_stateful.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_stateful.c index 48b7524bc8fb..f9db7ef19c28 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_stateful.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_stateful.c @@ -620,6 +620,7 @@ static struct vb2_ops mtk_vdec_frame_vb2_ops = { }; const struct mtk_vcodec_dec_pdata mtk_vdec_8173_pdata = { + .chip = MTK_MT8173, .init_vdec_params = mtk_init_vdec_params, .ctrls_setup = mtk_vcodec_dec_ctrls_setup, .vdec_vb2_ops = &mtk_vdec_frame_vb2_ops, diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h index 9221c17a176b..60bc39efa20d 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h @@ -322,6 +322,8 @@ enum mtk_chip { * @vdec_framesizes: supported video decoder frame sizes * @num_framesizes: count of video decoder frame sizes * + * @chip: chip this decoder is compatible with + * * @uses_stateless_api: whether the decoder uses the stateless API with requests */ @@ -341,6 +343,8 @@ struct mtk_vcodec_dec_pdata { const struct mtk_codec_framesizes *vdec_framesizes; const int num_framesizes; + enum mtk_chip chip; + bool uses_stateless_api; }; diff --git a/drivers/media/platform/mtk-vcodec/vdec_ipi_msg.h b/drivers/media/platform/mtk-vcodec/vdec_ipi_msg.h index 47a1c1c0fd04..eb66729fda63 100644 --- a/drivers/media/platform/mtk-vcodec/vdec_ipi_msg.h +++ b/drivers/media/platform/mtk-vcodec/vdec_ipi_msg.h @@ -83,12 +83,17 @@ struct vdec_ap_ipi_dec_start { * @status : VPU exeuction result * @ap_inst_addr : AP vcodec_vpu_inst instance address * @vpu_inst_addr : VPU decoder instance address + * @vdec_abi_version: ABI version of the firmware. Kernel can use it to + * ensure that it is compatible with the firmware. + * This field is not valid for MT8173 and must not be + * accessed for this chip. */ struct vdec_vpu_ipi_init_ack { uint32_t msg_id; int32_t status; uint64_t ap_inst_addr; uint32_t vpu_inst_addr; + uint32_t vdec_abi_version; }; #endif diff --git a/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c b/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c index 58b0e6fa8fd2..203089213e67 100644 --- a/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c +++ b/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c @@ -24,6 +24,22 @@ static void handle_init_ack_msg(const struct vdec_vpu_ipi_init_ack *msg) vpu->inst_addr = msg->vpu_inst_addr; mtk_vcodec_debug(vpu, "- vpu_inst_addr = 0x%x", vpu->inst_addr); + + /* Firmware version field does not exist on MT8173. */ + if (vpu->ctx->dev->vdec_pdata->chip == MTK_MT8173) + return; + + /* Check firmware version. */ + mtk_vcodec_debug(vpu, "firmware version 0x%x\n", msg->vdec_abi_version); + switch (msg->vdec_abi_version) { + case 1: + break; + default: + mtk_vcodec_err(vpu, "unhandled firmware version 0x%x\n", + msg->vdec_abi_version); + vpu->failure = 1; + break; + } } /* @@ -44,6 +60,9 @@ static void vpu_dec_ipi_handler(void *data, unsigned int len, void *priv) mtk_vcodec_debug(vpu, "+ id=%X", msg->msg_id); + vpu->failure = msg->status; + vpu->signaled = 1; + if (msg->status == 0) { switch (msg->msg_id) { case VPU_IPIMSG_DEC_INIT_ACK: @@ -63,8 +82,6 @@ static void vpu_dec_ipi_handler(void *data, unsigned int len, void *priv) } mtk_vcodec_debug(vpu, "- id=%X", msg->msg_id); - vpu->failure = msg->status; - vpu->signaled = 1; } static int vcodec_vpu_send_msg(struct vdec_vpu_inst *vpu, void *msg, int len) -- 2.30.0.617.g56c4b15f3c-goog