From patchwork Sat May 25 23:29:28 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?SmFzb24tSkggTGluICjmnpfnnb/npaUp?= X-Patchwork-Id: 13674169 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id AD1AAC27C42 for ; Sat, 25 May 2024 23:29:57 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id AFBA110E9BF; Sat, 25 May 2024 23:29:45 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=mediatek.com header.i=@mediatek.com header.b="M99oINRF"; dkim-atps=neutral Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9547610E981 for ; Sat, 25 May 2024 23:29:39 +0000 (UTC) X-UUID: a452f6a41aee11ef8c37dd7afa272265-20240526 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=Tl2QN13jl/RXNBMTp3Wzf+yLZtDlERtwTZOrjciV6eA=; b=M99oINRFyM9yICI92W0c3g6n6V1A4krihoJGlUgqEXeDep49dmgcE9n1oZdSF7slV+67OTq1Hzo5SoG2w3Y8tFGb+61GrInuRwDdVXQOg9FuaBddUB9hAd57M9EmgnceCRUxyVaPA20y/cAiL3zBCES2kUbGvg8pyLPIdOl9oNg=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.38, REQID:7915aedf-e663-40c8-a289-c5881c836dad, IP:0, U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:82c5f88, CLOUDID:e060cd43-4544-4d06-b2b2-d7e12813c598, B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1, SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0,NGT X-CID-BAS: 0,NGT,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: a452f6a41aee11ef8c37dd7afa272265-20240526 Received: from mtkmbs14n1.mediatek.inc [(172.21.101.75)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1552233013; Sun, 26 May 2024 07:29:33 +0800 Received: from mtkmbs13n1.mediatek.inc (172.21.101.193) by MTKMBS14N1.mediatek.inc (172.21.101.75) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Sun, 26 May 2024 07:29:31 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Sun, 26 May 2024 07:29:31 +0800 From: Jason-JH.Lin To: Chun-Kuang Hu , AngeloGioacchino Del Regno , Maxime Ripard CC: David Airlie , Daniel Vetter , Matthias Brugger , , , , , , , , "Jason-ch Chen" , "Jason-JH . Lin" , Singo Chang , "Nancy Lin" , Shawn Sung , , Jeffrey Kardatzke Subject: [PATCH v6 7/7] drm/mediatek: Add cmdq_insert_backup_cookie before secure pkt finalize Date: Sun, 26 May 2024 07:29:28 +0800 Message-ID: <20240525232928.5524-8-jason-jh.lin@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240525232928.5524-1-jason-jh.lin@mediatek.com> References: <20240525232928.5524-1-jason-jh.lin@mediatek.com> MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--11.595200-8.000000 X-TMASE-MatchedRID: XAa2d/45j8Tob/hVdrvnXjPDkSOzeDWW+eBf9ovw8I27eXIF2U7rKy+8 OxujShyxE/UmhJjBrzZC3mgca9yt8kttpN+KVVd9syNb+yeIRArvJY9pBzgg1P+RKQghHjkeBgH mCxujQvyjmrD+IUq29hI7tf+6KnxtiBoFctaOhN8jRwcsjqWGAgrefVId6fzVCqIJhrrDy2/jZY 67L74Lw7o3/co+ykK6UFTYnego7LJccQ8eam5EfRRFJJyf5BJe3QfwsVk0UbtuRXh7bFKB7gRuY qpRzYwt5tYzjYMxVNFdPwsV1FdNCbaRD1c+EJMdvuvB6gAgryg= X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--11.595200-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 9AEA3DB8CB88483491FE005922C30F1CE0AE72AEC367029CE1464088C652F4422000:8 X-MTK: N X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add cmdq_insert_backup_cookie to append some commands before EOC: 1. Get GCE HW thread execute count from the GCE HW register. 2. Add 1 to the execute count and then store into a shared memory. 3. Set a software event siganl as secure irq to GCE HW. Since the value of execute count + 1 is stored in a shared memory, CMDQ driver in the normal world can use it to handle task done in irq handler and CMDQ driver in the secure world will use it to schedule the task slot for each secure thread. Signed-off-by: Jason-JH.Lin Signed-off-by: Hsiao Chien Sung --- drivers/gpu/drm/mediatek/mtk_crtc.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_crtc.c b/drivers/gpu/drm/mediatek/mtk_crtc.c index 59f6263ae806..0df9bf695f65 100644 --- a/drivers/gpu/drm/mediatek/mtk_crtc.c +++ b/drivers/gpu/drm/mediatek/mtk_crtc.c @@ -178,6 +178,7 @@ void mtk_crtc_disable_secure_state(struct drm_crtc *crtc) cmdq_sec_pkt_set_data(&mtk_crtc->sec_cmdq_handle, sec_scn); + cmdq_sec_insert_backup_cookie(&mtk_crtc->sec_cmdq_handle); cmdq_pkt_finalize(&mtk_crtc->sec_cmdq_handle); dma_sync_single_for_device(mtk_crtc->sec_cmdq_client.chan->mbox->dev, mtk_crtc->sec_cmdq_handle.pa_base, @@ -795,6 +796,8 @@ static void mtk_crtc_update_config(struct mtk_crtc *mtk_crtc, bool needs_vblank) cmdq_pkt_clear_event(cmdq_handle, mtk_crtc->cmdq_event); cmdq_pkt_wfe(cmdq_handle, mtk_crtc->cmdq_event, false); mtk_crtc_ddp_config(crtc, cmdq_handle); + if (cmdq_handle->sec_data) + cmdq_sec_insert_backup_cookie(cmdq_handle); cmdq_pkt_finalize(cmdq_handle); dma_sync_single_for_device(cmdq_client.chan->mbox->dev, cmdq_handle->pa_base,