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Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by SN1PEPF000252A1.mail.protection.outlook.com (10.167.242.8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.7181.13 via Frontend Transport; Fri, 12 Jan 2024 23:42:25 +0000 Received: from SATLEXMB04.amd.com (10.181.40.145) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.34; Fri, 12 Jan 2024 17:42:24 -0600 Received: from xsjanatoliy50.xilinx.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server id 15.1.2507.34 via Frontend Transport; Fri, 12 Jan 2024 17:42:23 -0600 From: Anatoliy Klymenko To: , , , , , , , , , Subject: [PATCH 1/4] drm: xlnx: zynqmp_dpsub: Make drm bridge discoverable Date: Fri, 12 Jan 2024 15:42:19 -0800 Message-ID: <20240112234222.913138-2-anatoliy.klymenko@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240112234222.913138-1-anatoliy.klymenko@amd.com> References: <20240112234222.913138-1-anatoliy.klymenko@amd.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SN1PEPF000252A1:EE_|LV2PR12MB5967:EE_ X-MS-Office365-Filtering-Correlation-Id: d1a85eb4-920f-47ab-7385-08dc13c82133 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Jan 2024 23:42:25.0549 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: d1a85eb4-920f-47ab-7385-08dc13c82133 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: SN1PEPF000252A1.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV2PR12MB5967 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1787930070388729740 X-GMAIL-MSGID: 1787930070388729740 Assign device of node to bridge prior registering it. This will make said bridge discoverable by separate crtc driver. Signed-off-by: Anatoliy Klymenko Reviewed-by: Tomi Valkeinen Reviewed-by: Laurent Pinchart --- drivers/gpu/drm/xlnx/zynqmp_dp.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/xlnx/zynqmp_dp.c b/drivers/gpu/drm/xlnx/zynqmp_dp.c index a0606fab0e22..d60b7431603f 100644 --- a/drivers/gpu/drm/xlnx/zynqmp_dp.c +++ b/drivers/gpu/drm/xlnx/zynqmp_dp.c @@ -1721,6 +1721,7 @@ int zynqmp_dp_probe(struct zynqmp_dpsub *dpsub) bridge->ops = DRM_BRIDGE_OP_DETECT | DRM_BRIDGE_OP_EDID | DRM_BRIDGE_OP_HPD; bridge->type = DRM_MODE_CONNECTOR_DisplayPort; + bridge->of_node = dp->dev->of_node; dpsub->bridge = bridge; /* From patchwork Fri Jan 12 23:42:20 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Klymenko, Anatoliy" X-Patchwork-Id: 187839 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:693c:2614:b0:101:6a76:bbe3 with SMTP id mm20csp504077dyc; Fri, 12 Jan 2024 15:43:16 -0800 (PST) X-Google-Smtp-Source: AGHT+IFX3ttvkhOCrWEfcbf0B4DEvRYGY86RuHc4GsyTReJm31PWyEdhsT+7NaIVZTNapJJNCCOl X-Received: by 2002:a17:906:5299:b0:a2b:1df5:47c3 with SMTP id c25-20020a170906529900b00a2b1df547c3mr1085679ejm.87.1705102996344; Fri, 12 Jan 2024 15:43:16 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1705102996; cv=pass; d=google.com; s=arc-20160816; b=Z7xwIb7boCtQI0jFtmV4u4MtAc9pARTN1Ut0/pDACHU9KmmXiNOvFNtUW2aUWvPPpP M19R1d/i3bGnqTh16pTUZwd6H4GeIvbn1tvixQT+ZE0e86uV1RtUe6CJXmqgwGz17HxX UVpAgnZ2D0Qv9jLaFqIkC3yxjjhXi9+ypWx7rO/9vfANSdAH+e/PqUiyelQzp21B48WN ZXIfiCVzPlTQZtcQ2GmyYE9iXffd0D67K1O+1zJ4yYlQllKIGkXIHsQWBEhlJfd3tUWG kL4PmCpdhudlNF+7LHgLQASTvxsDDhs+cveYcNFYokqGAStMt7+PVQ00EKp2DCsfAVjN 8mog== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:references:in-reply-to:message-id :date:subject:to:from:dkim-signature; bh=bg+Zk3e57igtWoKUrG6gPGLeLH/HPz2+uaOq6mcbCBI=; fh=rF57AgvMrLxj8O0ts2KvK1OMlfkXv3jlBwSVETyRr5o=; b=RB9igtYG76LwWzjO5EYKNi6fwt92ftzbce5/tgXfTRnvdo8QmxTWx7ufATwHcjM2cU eES0bz7GJA/EiJVNMPWeQcVjwj/iAQSSds0ij6gms7KX8zWoQZA9m6j9lGXInb8qMJtP bK/ktsZ//HPJVkuNIV2Uuxkv1SDb04IwS1Sq0v5CFP6hGq2F9JPP8ebB0m13t/KPuiek UFY6D/gvb9mqVpkdYowQvIHP3svQGr4JpjRMrwqlZez+dV3lSr0+g7zYuazbfNuCcnfX 7mCq/F8GEgtXoC+kFW5eR7Vc1Q3TVhPIQB6X5rgrM4Zu0gKk3SCuR4g12hVqfQ9XzPaE BQcA== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@amd.com header.s=selector1 header.b=ytAZj844; arc=pass (i=1 spf=pass spfdomain=amd.com dmarc=pass fromdomain=amd.com); spf=pass (google.com: domain of linux-kernel+bounces-25110-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) smtp.mailfrom="linux-kernel+bounces-25110-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amd.com Received: from am.mirrors.kernel.org (am.mirrors.kernel.org. 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Jan 2024 23:42:26.0706 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 0d14618e-ded3-4b21-6ced-08dc13c821ce X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: SN1PEPF000252A1.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA1PR12MB7412 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1787930079591079676 X-GMAIL-MSGID: 1787930079591079676 Expect external video timing in live video input mode, program DPSUB accordingly. Signed-off-by: Anatoliy Klymenko Reviewed-by: Tomi Valkeinen --- drivers/gpu/drm/xlnx/zynqmp_disp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/xlnx/zynqmp_disp.c b/drivers/gpu/drm/xlnx/zynqmp_disp.c index 407bc07cec69..8a39b3accce5 100644 --- a/drivers/gpu/drm/xlnx/zynqmp_disp.c +++ b/drivers/gpu/drm/xlnx/zynqmp_disp.c @@ -1166,7 +1166,7 @@ void zynqmp_disp_enable(struct zynqmp_disp *disp) /* Choose clock source based on the DT clock handle. */ zynqmp_disp_avbuf_set_clocks_sources(disp, disp->dpsub->vid_clk_from_ps, disp->dpsub->aud_clk_from_ps, - true); + disp->dpsub->vid_clk_from_ps); zynqmp_disp_avbuf_enable_channels(disp); zynqmp_disp_avbuf_enable_audio(disp); From patchwork Fri Jan 12 23:42:21 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Klymenko, Anatoliy" X-Patchwork-Id: 187840 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:693c:2614:b0:101:6a76:bbe3 with SMTP id mm20csp504197dyc; Fri, 12 Jan 2024 15:43:37 -0800 (PST) X-Google-Smtp-Source: AGHT+IGXGXAj2gM8OrHeBkJPSWin7uc2jZGfEdzuRpk2raiiXOf0ByX41s0vP8coil9nB1MuNN83 X-Received: by 2002:a17:907:78c4:b0:a26:e9fe:f59f with SMTP id kv4-20020a17090778c400b00a26e9fef59fmr957812ejc.133.1705103016996; Fri, 12 Jan 2024 15:43:36 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1705103016; cv=pass; d=google.com; s=arc-20160816; b=nvsnZY61rvC4T7xHo/lioRjimCCu3AEKyFk+h6Koeu+0KwySGC1WEmu5XmLVd7ReyK k6F9IsLvOrAIiFGmeUAf+jQcTaEiSzyiPxvjYp+A5vDmd75LJOHWT76v6nPTZYGeJM/R 8+7IvDjLToXO5HvINiM1fjkz/GgC81onK3EI/uGBJlxMNhy8jY8Adh/7yR76Be7+aK97 9GePVAtXQBFn7SUYjG0z/QIzsxjS0os7Vv65OwkVaOeJath9f5OJvrmzYhnEu8neTmyJ 8IZf/FfxylmpTTfx9oMVI2HgxBEeXV2vbQ2MU9h3G/Xhnj7nPWH3heyRKrbxAxsICLbZ Dcjw== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:references:in-reply-to:message-id :date:subject:to:from:dkim-signature; bh=QJSd29Z+ZrfAwCFTwgETttHBvJJA6uoq53jzh2OsD/Y=; fh=rF57AgvMrLxj8O0ts2KvK1OMlfkXv3jlBwSVETyRr5o=; b=mr1nB3lyQjsoURzgFvxsvhxtoIkLNzF2ztoBBBmgZM7lcWU3JxH806nXdioWuV+S/l 0jvAeMB2Uh0+26Fpy4Nr65oaYnWlTrw8FwtLldarPM0I2FvkJtg812bm3prBOiptAC8A mEiprI9cGGw8X+wQZVGLv+ycu207CAJSxdWHcXPk1Ak+hVRCmjwXgyMe3wxCO/XWMa/L ryK+JfVziXkbUCu9op0evZjLPGxhyFwuM7Viun+vCcZoVZ6bwpWh5GDZCBIsaGMbpiPE PDVZOT9+iRinDI/lUM6lNgmADo73xLqyOI4PiS6J6N8D9qLSFCf11Gju5E6ALtYNfnvy 1Ilg== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@amd.com header.s=selector1 header.b="I6ER/h4A"; arc=pass (i=1 spf=pass spfdomain=amd.com dmarc=pass fromdomain=amd.com); spf=pass (google.com: domain of linux-kernel+bounces-25111-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) smtp.mailfrom="linux-kernel+bounces-25111-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amd.com Received: from am.mirrors.kernel.org (am.mirrors.kernel.org. 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Jan 2024 23:42:27.3831 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 57ee41d7-6294-49ca-b366-08dc13c82296 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: SN1PEPF000252A1.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN0PR12MB5858 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1787930101411048005 X-GMAIL-MSGID: 1787930101411048005 Filter out status register against interrupts' mask. Some events are being reported via DP status register, even if corresponding interrupts have been disabled. Avoid processing of such events in interrupt handler context. Signed-off-by: Anatoliy Klymenko --- drivers/gpu/drm/xlnx/zynqmp_dp.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/xlnx/zynqmp_dp.c b/drivers/gpu/drm/xlnx/zynqmp_dp.c index d60b7431603f..571c5dbc97e5 100644 --- a/drivers/gpu/drm/xlnx/zynqmp_dp.c +++ b/drivers/gpu/drm/xlnx/zynqmp_dp.c @@ -1624,8 +1624,16 @@ static irqreturn_t zynqmp_dp_irq_handler(int irq, void *data) u32 status, mask; status = zynqmp_dp_read(dp, ZYNQMP_DP_INT_STATUS); + zynqmp_dp_write(dp, ZYNQMP_DP_INT_STATUS, status); mask = zynqmp_dp_read(dp, ZYNQMP_DP_INT_MASK); - if (!(status & ~mask)) + + /* + * Status register may report some events, which corresponding interrupts + * have been disabled. Filter out those events against interrupts' mask. + */ + status &= ~mask; + + if (!status) return IRQ_NONE; /* dbg for diagnostic, but not much that the driver can do */ @@ -1634,7 +1642,6 @@ static irqreturn_t zynqmp_dp_irq_handler(int irq, void *data) if (status & ZYNQMP_DP_INT_CHBUF_OVERFLW_MASK) dev_dbg_ratelimited(dp->dev, "overflow interrupt\n"); - zynqmp_dp_write(dp, ZYNQMP_DP_INT_STATUS, status); if (status & ZYNQMP_DP_INT_VBLANK_START) zynqmp_dpsub_drm_handle_vblank(dp->dpsub); From patchwork Fri Jan 12 23:42:22 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Klymenko, Anatoliy" X-Patchwork-Id: 187841 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:693c:2614:b0:101:6a76:bbe3 with SMTP id mm20csp504252dyc; Fri, 12 Jan 2024 15:43:48 -0800 (PST) X-Google-Smtp-Source: AGHT+IECVSe//x0n3d9J/xDIB1u/AAdeAknfoOZGjXgMfTXrt0T1fr23qUiVPo5AofmRTn1tPTqU X-Received: by 2002:ad4:5d4b:0:b0:681:14c1:b300 with SMTP id jk11-20020ad45d4b000000b0068114c1b300mr2096733qvb.121.1705103028624; Fri, 12 Jan 2024 15:43:48 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1705103028; cv=pass; d=google.com; s=arc-20160816; b=S+iIJRKwiwtejT1TQyp11t58TdD5oE4I4TT6VGNOj85gjC7cAl7FclxRZ0c75+pVtS UVy/eZI/05AZid6I2+s738orlGsPT4ya63b4vJO6r7KAGaVvpYxmupzkELVVA/zTQiPE oHAL8wnGh+EB/49zvR8kOOI+t2vX9BzQLz0DZr6gAGmtZwERRLBoS46abwQqgoa0xyoa S8kUqRSlHJvmSt5U1NnCb6WSJps50zLsQZDeHei68NEgN39Q1epc6RdKXXtXS82PyPc5 Qaejz3wN5DgczaIAXgV+eIKs+QeQ9IqbrF0lXmMNys9uc34WD3kqzPhc6kiQFit/oK/r dwLQ== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:references:in-reply-to:message-id :date:subject:to:from:dkim-signature; bh=UfsYhXNsUCFCNTTYOFqudqAYleJl/Yb/KBCNQ7oDDks=; fh=rF57AgvMrLxj8O0ts2KvK1OMlfkXv3jlBwSVETyRr5o=; b=jhbw57zZjT4tedUGC/cV2mf+hM2tnKTaOqn6MYmRozrhGEMtZceWgOimpJRd17MctF FjzlTnCVkJo1HvSW0QzGXnqQW+c6Qpa2YE0Zsrw/02qutb4tmeSz1kfNpK/2zFCylSZf H+YcRPU3MUG3czEUi9h+fv0fkWOV3xK/ytn+dONOf8+RS3KiIhgHGWS3QJ/ae9+aaSmz ecBjrV8HINATaNR1H5DyPEINSyO96lPIxFggge+kea/SFH+hP/HkG44ckY2rD6kZqCM3 SRkknnfsM8Q0j9t786c/osiPogEP8w9jSqsI+sRjxyVvCj3SRkdMEYbFJKUC/EVtKWez zLkA== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@amd.com header.s=selector1 header.b=zFWZFLPH; arc=pass (i=1 spf=pass spfdomain=amd.com dmarc=pass fromdomain=amd.com); spf=pass (google.com: domain of linux-kernel+bounces-25112-ouuuleilei=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) smtp.mailfrom="linux-kernel+bounces-25112-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amd.com Received: from ny.mirrors.kernel.org (ny.mirrors.kernel.org. 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Jan 2024 23:42:28.0393 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 2d1528c3-6861-4456-d660-08dc13c822fa X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: SN1PEPF000252A1.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH0PR12MB5218 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1787930113442968187 X-GMAIL-MSGID: 1787930113442968187 Live video input format is expected to be set as "bus-format" property in connected remote endpoint. Program live video input format DPSUB registers. Set display layer mode in layer creation context. Signed-off-by: Anatoliy Klymenko --- drivers/gpu/drm/xlnx/zynqmp_disp.c | 109 ++++++++++++++++++++++-- drivers/gpu/drm/xlnx/zynqmp_disp.h | 3 +- drivers/gpu/drm/xlnx/zynqmp_disp_regs.h | 8 +- drivers/gpu/drm/xlnx/zynqmp_dp.c | 2 +- drivers/gpu/drm/xlnx/zynqmp_kms.c | 2 +- 5 files changed, 107 insertions(+), 17 deletions(-) diff --git a/drivers/gpu/drm/xlnx/zynqmp_disp.c b/drivers/gpu/drm/xlnx/zynqmp_disp.c index 8a39b3accce5..83af3ad9cdb5 100644 --- a/drivers/gpu/drm/xlnx/zynqmp_disp.c +++ b/drivers/gpu/drm/xlnx/zynqmp_disp.c @@ -20,8 +20,10 @@ #include #include #include +#include #include #include +#include #include "zynqmp_disp.h" #include "zynqmp_disp_regs.h" @@ -67,12 +69,16 @@ /** * struct zynqmp_disp_format - Display subsystem format information * @drm_fmt: DRM format (4CC) + * @bus_fmt: Live video media bus format * @buf_fmt: AV buffer format * @swap: Flag to swap R & B for RGB formats, and U & V for YUV formats * @sf: Scaling factors for color components */ struct zynqmp_disp_format { - u32 drm_fmt; + union { + u32 drm_fmt; + u32 bus_fmt; + }; u32 buf_fmt; bool swap; const u32 *sf; @@ -354,6 +360,16 @@ static const struct zynqmp_disp_format avbuf_gfx_fmts[] = { }, }; +/* TODO: add support for different formats */ +static const struct zynqmp_disp_format avbuf_live_vid_fmts[] = { + { + .bus_fmt = MEDIA_BUS_FMT_UYVY8_1X16, + .buf_fmt = ZYNQMP_DISP_AV_BUF_LIVE_CONFIG_BPC_8 | + ZYNQMP_DISP_AV_BUF_LIVE_CONFIG_FMT_YUV422, + .sf = scaling_factors_888, + } +}; + static u32 zynqmp_disp_avbuf_read(struct zynqmp_disp *disp, int reg) { return readl(disp->avbuf.base + reg); @@ -369,6 +385,34 @@ static bool zynqmp_disp_layer_is_video(const struct zynqmp_disp_layer *layer) return layer->id == ZYNQMP_DPSUB_LAYER_VID; } +/** + * zynqmp_disp_avbuf_set_live_format - Set live input format for a layer + * @disp: Display controller + * @layer: The layer + * @fmt: The format information + * + * Set the live video input format for @layer to @fmt. + */ +static void zynqmp_disp_avbuf_set_live_format(struct zynqmp_disp *disp, + struct zynqmp_disp_layer *layer, + const struct zynqmp_disp_format *fmt) +{ + u32 reg, i; + + reg = zynqmp_disp_layer_is_video(layer) + ? ZYNQMP_DISP_AV_BUF_LIVE_VID_CONFIG + : ZYNQMP_DISP_AV_BUF_LIVE_GFX_CONFIG; + zynqmp_disp_avbuf_write(disp, reg, fmt->buf_fmt); + + for (i = 0; i < ZYNQMP_DISP_AV_BUF_NUM_SF; ++i) { + reg = zynqmp_disp_layer_is_video(layer) + ? ZYNQMP_DISP_AV_BUF_LIVD_VID_COMP_SF(i) + : ZYNQMP_DISP_AV_BUF_LIVD_GFX_COMP_SF(i); + zynqmp_disp_avbuf_write(disp, reg, fmt->sf[i]); + } + layer->disp_fmt = fmt; +} + /** * zynqmp_disp_avbuf_set_format - Set the input format for a layer * @disp: Display controller @@ -902,15 +946,12 @@ u32 *zynqmp_disp_layer_drm_formats(struct zynqmp_disp_layer *layer, /** * zynqmp_disp_layer_enable - Enable a layer * @layer: The layer - * @mode: Operating mode of layer * * Enable the @layer in the audio/video buffer manager and the blender. DMA * channels are started separately by zynqmp_disp_layer_update(). */ -void zynqmp_disp_layer_enable(struct zynqmp_disp_layer *layer, - enum zynqmp_dpsub_layer_mode mode) +void zynqmp_disp_layer_enable(struct zynqmp_disp_layer *layer) { - layer->mode = mode; zynqmp_disp_avbuf_enable_video(layer->disp, layer); zynqmp_disp_blend_layer_enable(layer->disp, layer); } @@ -950,11 +991,12 @@ void zynqmp_disp_layer_set_format(struct zynqmp_disp_layer *layer, layer->disp_fmt = zynqmp_disp_layer_find_format(layer, info->format); layer->drm_fmt = info; - zynqmp_disp_avbuf_set_format(layer->disp, layer, layer->disp_fmt); - - if (!layer->disp->dpsub->dma_enabled) + /* Live format set during layer creation */ + if (layer->mode == ZYNQMP_DPSUB_LAYER_LIVE) return; + zynqmp_disp_avbuf_set_format(layer->disp, layer, layer->disp_fmt); + /* * Set pconfig for each DMA channel to indicate they're part of a * video group. @@ -1083,7 +1125,7 @@ static int zynqmp_disp_layer_request_dma(struct zynqmp_disp *disp, unsigned int i; int ret; - if (!disp->dpsub->dma_enabled) + if (layer->mode == ZYNQMP_DPSUB_LAYER_LIVE) return 0; for (i = 0; i < layer->info->num_channels; i++) { @@ -1104,6 +1146,43 @@ static int zynqmp_disp_layer_request_dma(struct zynqmp_disp *disp, return 0; } +/** + * zynqmp_disp_get_live_fmt - Get live video format + * @disp: Display controller + * @layer: Display layer + * + * Parse connected remote endpoint and retrieve configured bus-format + * + * Return: live format pointer on success, NULL otherwise + */ +static const struct zynqmp_disp_format *zynqmp_disp_get_live_fmt(struct zynqmp_disp *disp, + struct zynqmp_disp_layer *layer) +{ + struct device_node *local, *remote, *dpsub = disp->dev->of_node; + int rc, i; + u32 fmt; + + local = of_graph_get_endpoint_by_regs(dpsub, layer->id, -1); + if (!local) + return NULL; + + remote = of_graph_get_remote_endpoint(local); + of_node_put(local); + if (!remote) + return NULL; + + rc = of_property_read_u32_index(remote, "bus-format", 0, &fmt); + of_node_put(remote); + if (rc) + return NULL; + + for (i = 0; i < ARRAY_SIZE(avbuf_live_vid_fmts); ++i) + if (avbuf_live_vid_fmts[i].bus_fmt == fmt) + return &avbuf_live_vid_fmts[i]; + + return NULL; +} + /** * zynqmp_disp_create_layers - Create and initialize all layers * @disp: Display controller @@ -1130,9 +1209,15 @@ static int zynqmp_disp_create_layers(struct zynqmp_disp *disp) for (i = 0; i < ARRAY_SIZE(disp->layers); i++) { struct zynqmp_disp_layer *layer = &disp->layers[i]; + const struct zynqmp_disp_format *disp_fmt; layer->id = i; layer->disp = disp; + /* For now we assume dpsub works in either live or non-live mode for both layers. + * Hybrid mode is not supported yet. + */ + layer->mode = disp->dpsub->dma_enabled ? ZYNQMP_DPSUB_LAYER_NONLIVE + : ZYNQMP_DPSUB_LAYER_LIVE; layer->info = &layer_info[i]; ret = zynqmp_disp_layer_request_dma(disp, layer); @@ -1140,6 +1225,12 @@ static int zynqmp_disp_create_layers(struct zynqmp_disp *disp) goto err; disp->dpsub->layers[i] = layer; + + if (layer->mode == ZYNQMP_DPSUB_LAYER_LIVE) { + disp_fmt = zynqmp_disp_get_live_fmt(disp, layer); + if (disp_fmt) + zynqmp_disp_avbuf_set_live_format(disp, layer, disp_fmt); + } } return 0; diff --git a/drivers/gpu/drm/xlnx/zynqmp_disp.h b/drivers/gpu/drm/xlnx/zynqmp_disp.h index 123cffac08be..f3357b2d5c09 100644 --- a/drivers/gpu/drm/xlnx/zynqmp_disp.h +++ b/drivers/gpu/drm/xlnx/zynqmp_disp.h @@ -62,8 +62,7 @@ void zynqmp_disp_blend_set_global_alpha(struct zynqmp_disp *disp, u32 *zynqmp_disp_layer_drm_formats(struct zynqmp_disp_layer *layer, unsigned int *num_formats); -void zynqmp_disp_layer_enable(struct zynqmp_disp_layer *layer, - enum zynqmp_dpsub_layer_mode mode); +void zynqmp_disp_layer_enable(struct zynqmp_disp_layer *layer); void zynqmp_disp_layer_disable(struct zynqmp_disp_layer *layer); void zynqmp_disp_layer_set_format(struct zynqmp_disp_layer *layer, const struct drm_format_info *info); diff --git a/drivers/gpu/drm/xlnx/zynqmp_disp_regs.h b/drivers/gpu/drm/xlnx/zynqmp_disp_regs.h index f92a006d5070..926e07c255bb 100644 --- a/drivers/gpu/drm/xlnx/zynqmp_disp_regs.h +++ b/drivers/gpu/drm/xlnx/zynqmp_disp_regs.h @@ -165,10 +165,10 @@ #define ZYNQMP_DISP_AV_BUF_LIVE_CONFIG_BPC_10 0x2 #define ZYNQMP_DISP_AV_BUF_LIVE_CONFIG_BPC_12 0x3 #define ZYNQMP_DISP_AV_BUF_LIVE_CONFIG_BPC_MASK GENMASK(2, 0) -#define ZYNQMP_DISP_AV_BUF_LIVE_CONFIG_FMT_RGB 0x0 -#define ZYNQMP_DISP_AV_BUF_LIVE_CONFIG_FMT_YUV444 0x1 -#define ZYNQMP_DISP_AV_BUF_LIVE_CONFIG_FMT_YUV422 0x2 -#define ZYNQMP_DISP_AV_BUF_LIVE_CONFIG_FMT_YONLY 0x3 +#define ZYNQMP_DISP_AV_BUF_LIVE_CONFIG_FMT_RGB 0x00 +#define ZYNQMP_DISP_AV_BUF_LIVE_CONFIG_FMT_YUV444 0x10 +#define ZYNQMP_DISP_AV_BUF_LIVE_CONFIG_FMT_YUV422 0x20 +#define ZYNQMP_DISP_AV_BUF_LIVE_CONFIG_FMT_YONLY 0x30 #define ZYNQMP_DISP_AV_BUF_LIVE_CONFIG_FMT_MASK GENMASK(5, 4) #define ZYNQMP_DISP_AV_BUF_LIVE_CONFIG_CB_FIRST BIT(8) #define ZYNQMP_DISP_AV_BUF_PALETTE_MEMORY 0x400 diff --git a/drivers/gpu/drm/xlnx/zynqmp_dp.c b/drivers/gpu/drm/xlnx/zynqmp_dp.c index 571c5dbc97e5..59616ed1c3d9 100644 --- a/drivers/gpu/drm/xlnx/zynqmp_dp.c +++ b/drivers/gpu/drm/xlnx/zynqmp_dp.c @@ -1295,7 +1295,7 @@ static void zynqmp_dp_disp_enable(struct zynqmp_dp *dp, /* TODO: Make the format configurable. */ info = drm_format_info(DRM_FORMAT_YUV422); zynqmp_disp_layer_set_format(layer, info); - zynqmp_disp_layer_enable(layer, ZYNQMP_DPSUB_LAYER_LIVE); + zynqmp_disp_layer_enable(layer); if (layer_id == ZYNQMP_DPSUB_LAYER_GFX) zynqmp_disp_blend_set_global_alpha(dp->dpsub->disp, true, 255); diff --git a/drivers/gpu/drm/xlnx/zynqmp_kms.c b/drivers/gpu/drm/xlnx/zynqmp_kms.c index db3bb4afbfc4..43bf416b33d5 100644 --- a/drivers/gpu/drm/xlnx/zynqmp_kms.c +++ b/drivers/gpu/drm/xlnx/zynqmp_kms.c @@ -122,7 +122,7 @@ static void zynqmp_dpsub_plane_atomic_update(struct drm_plane *plane, /* Enable or re-enable the plane if the format has changed. */ if (format_changed) - zynqmp_disp_layer_enable(layer, ZYNQMP_DPSUB_LAYER_NONLIVE); + zynqmp_disp_layer_enable(layer); } static const struct drm_plane_helper_funcs zynqmp_dpsub_plane_helper_funcs = {