From patchwork Tue Apr 27 11:15:13 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Courbot X-Patchwork-Id: 428131 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=-19.0 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=ham 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 CBD94C433B4 for ; Tue, 27 Apr 2021 11:15:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 96225613E8 for ; Tue, 27 Apr 2021 11:15:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235809AbhD0LQa (ORCPT ); Tue, 27 Apr 2021 07:16:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39786 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230270AbhD0LQ0 (ORCPT ); Tue, 27 Apr 2021 07:16:26 -0400 Received: from mail-pl1-x62d.google.com (mail-pl1-x62d.google.com [IPv6:2607:f8b0:4864:20::62d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C1C09C061760 for ; Tue, 27 Apr 2021 04:15:42 -0700 (PDT) Received: by mail-pl1-x62d.google.com with SMTP id 20so26734687pll.7 for ; Tue, 27 Apr 2021 04:15:42 -0700 (PDT) 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=4qZsQRsGuCyk4j1C/e+zC2HYXSpPpt7+LRIVR6EvA1Q=; b=MmztzcydDiCmIGZ5rBt4LY8NA386OT8abcppdLkMCrtROeyrELhMc+YEI6p+MbHyqw skitkOULGsK8x+AZwLLnSb46mFvajphr/pzpLnRrnVkBADs881RIBMsjsFebdSzIdka1 wHteEOG6wARXDxF9nYgYratiLYwoewW65fmzc= 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=4qZsQRsGuCyk4j1C/e+zC2HYXSpPpt7+LRIVR6EvA1Q=; b=RDuTDvB13huLkCmsJoBxE7bxdnFaCLnH7wc39OcDTPJyMOteVmQZLe7xJ+Iw2/NeB2 M4OjENDxi9DQndLN8fdNyJE83M9VSFXn5uzN4KqZdlDM2u2ODH3D0/X9xXTt5Fb6BOZF 820/Y4vgAQouCgRXCHT5+0qV33BhApSDoE6dqLEPFq9G/yuq2h6jEDZKStUwjRhqvu1O iRYTqVeX+IiWZuwptX2zu73Rezez0/dfkYjO7YWIFiGUUxfTzioxcKtIM8hU1SzrijvV aDXrilFADzNytp/w/078s+ni4xEtNVub/iqq7k3ELRIlKz3KI7fjWcvQwOcFw1YwPCVt RzzA== X-Gm-Message-State: AOAM530NCmjju0pnNJTqJp2Sj+Lb+/4yI/ow7hidb97txG9m+2gHlcLU 3Rhb9cgaL58JryRO2bf0T5uHVg== X-Google-Smtp-Source: ABdhPJx1C2iIDlsCOU3glRSJBL8B286p5e+lxgbowpxikjRFr5/iSS83yGB8JZ9mAXiUCoL9ig6FmA== X-Received: by 2002:a17:90b:190d:: with SMTP id mp13mr5060186pjb.156.1619522142415; Tue, 27 Apr 2021 04:15:42 -0700 (PDT) Received: from acourbot.tok.corp.google.com ([2401:fa00:8f:203:b182:d363:32d0:53a2]) by smtp.gmail.com with ESMTPSA id c21sm2347210pfc.165.2021.04.27.04.15.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Apr 2021 04:15:42 -0700 (PDT) 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 v4 02/15] media: mtk-vcodec: vdec: handle firmware version field Date: Tue, 27 Apr 2021 20:15:13 +0900 Message-Id: <20210427111526.1772293-3-acourbot@chromium.org> X-Mailer: git-send-email 2.31.1.498.g6c1eba8ee3d-goog In-Reply-To: <20210427111526.1772293-1-acourbot@chromium.org> References: <20210427111526.1772293-1-acourbot@chromium.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@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 f31f4f94001d..c5538fcfc9a5 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_stateful.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_stateful.c @@ -640,6 +640,7 @@ 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 85af0bffc7be..e5b8309785e1 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h @@ -321,6 +321,8 @@ 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 */ @@ -340,6 +342,8 @@ 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)