From nobody Wed Oct 1 22:15:01 2025 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (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 9443C2BEC21 for ; Sun, 28 Sep 2025 08:25:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759047919; cv=none; b=YtSobKMvXs2CKutmsJHD7aX460bch/FAMLqfzUtP9OX62Jb7d+Lv+1RPTF1WB0Wx/SCYvL+sjo+EFNXQyByQ22uRkA7fdW7eAT+MxfZ8ZHiLQ5/YDD7QwdGuvAbwXiKFl7jVCqbAH0Akv53r85emtvlJPy0RnPMiEoQg3raSdx8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759047919; c=relaxed/simple; bh=vJ6MP4HtyLt5a75BuYCv3CbEFdh6+KuelPeaDQZ+OQQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=qyfnuO9h4f93jRdBrc9DeW+k/hB987DBxL0SwfWOP/iHiQUSvrMqVOQnHlNV/GeCcyeeiMJdlqQQagNvc27bf+r5gAzCUw1xnfUVu07GgSn7jLmx4PpSKatxSLBUvHnZSFpw9+WWV5uUrkX4ZO11bDjNRVe5y+V6CSO3ODKvQPA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b=Nyi1TU8A; arc=none smtp.client-ip=205.220.180.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b="Nyi1TU8A" Received: from pps.filterd (m0279873.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 58S5DAWZ027295 for ; Sun, 28 Sep 2025 08:25:15 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= MFhUEfSaFwySRMaGJYEpZSOFWlmnLOv+5YWLz9EcBTE=; b=Nyi1TU8AJHWkgYCm Mgv7R0ZVX0wOcPUovl7wG0Xnz37w+/sVSXo2xOnDA5fZLQfNP04uFmi3XqhnHER8 V27tyCm1WzBckV7iYoSaOnrk/9YuFhzSuVVh9vBFpnPy2rDlKrJfAxar4Lmw+TxC hf30s2KhImMkUW6QTYYpMaE0tmdL2OqqzOGIEVw8wAeaczRpiDMg0RG3NLdhxtM6 7zSIX4sVPABYEYHGD3xWrebTn236Du6TKM95MHV8ClPVw4dNHlIMU/HorlOlxhX9 8gl+QObKHjE+BhIiMu44UtsDfk90OACEMIvL3uv7PAfya2vBjsGj+MPB9Dt+uJ57 a0vPfw== Received: from mail-qt1-f199.google.com (mail-qt1-f199.google.com [209.85.160.199]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 49e59mtrcy-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Sun, 28 Sep 2025 08:25:15 +0000 (GMT) Received: by mail-qt1-f199.google.com with SMTP id d75a77b69052e-4dd932741cfso57581621cf.1 for ; Sun, 28 Sep 2025 01:25:15 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1759047914; x=1759652714; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=MFhUEfSaFwySRMaGJYEpZSOFWlmnLOv+5YWLz9EcBTE=; b=tWyavKIs4aFYouszaUYN0PnJ7MraMaPTdx+7fIi0+vYcEWk6A+uQ56cdPtUSCqWU69 bHkW0lH7LsOVKamESfvIBoQEs60PslStTmKU/5366WKAxANx3agx1PYGHsffCUAftcjt SVGvnL6iCFHLOZDBLyrKdZd6EQUjgk/NrElfIc6DiHhqyOrm4h3kuku5MZAt8Y2UbAtf Xh6ndYbK0vk0OfV+l/FFqllQXP75T9E2JflA+962LMjvZ1QVtYhd11zlhhBCsJsXuBw5 Ab3PAbV++gjJh6NRAXwkMJo3O/DYGhu2GFWzkHrWOwelWcuJUaAthnaHpGUCDILc+eOw J70w== X-Forwarded-Encrypted: i=1; AJvYcCUP35ZuSyUuZVXWGdizqb3I6UVHTS5lz6kC+q/tS0XvonKzhCz852IYI9BAEBRbdB72QOelImjHILqcZAM=@vger.kernel.org X-Gm-Message-State: AOJu0YxhKHhep6GQshDXHV1+s/b7E1WmUXHtsB3tRFBaO67KyhiyqnEA Dkwlj8jRzYGibqTmyCWOrRrKX+W4so9UTsRv/tOHx3FeTc5u0dQLwTgQ0b8wr29sUW1FyOKkT78 daLbTFXElPj2K8OmLFIInycSGhkzTl2n9Mqm8OoFdlfuxOveHxYpplxZ9C7NGIxDR54A= X-Gm-Gg: ASbGncus2XuzxiuPiVtInowlHHyl4pJx8gbNLSxBVC79z6EKO9Uw88yUYkdg/Z3oJi3 vgEZPEchpGv+N5gmAnahnT6IoMkqusQ4VCuGDqnN+ZrE8dSRDdz6h1uZRNri085ssjECPibPFCu yZC0+1xgWIWiUO1ffvm5J194tvQ9ixkxWmqUwlilaGmKis07R5U3hJ1woq/ekaWXDxwcYmfTA+q VguKPTyKEarIzoYnngoxw6fyAgT6PNROvUP6cQe9+wtORCbqPgcB/YnGT+UOcAr4wWMnHosEXFe 6CDYQjbHCrR4F57xxhVS7p/+quEZPu6lV7o0ZuJReSEWawlyq5VXLAU0aOFQ0sWY+uyHNsdVlqR RThMDvqJJbDDyXsWYvJDHh7/dKOUNI+yslNtBdirG1h2uezU6fp0E X-Received: by 2002:a05:622a:47c5:b0:4dd:584:1429 with SMTP id d75a77b69052e-4dd05841fd0mr134553321cf.81.1759047914432; Sun, 28 Sep 2025 01:25:14 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHwfsS0Q7LOoaRPfQeD9zvDgobB31SXOr4kE+JJnvQnCOXD4rZ+uP+6M8YxXGzoygRLIGjIwA== X-Received: by 2002:a05:622a:47c5:b0:4dd:584:1429 with SMTP id d75a77b69052e-4dd05841fd0mr134553161cf.81.1759047914018; Sun, 28 Sep 2025 01:25:14 -0700 (PDT) Received: from umbar.lan (2001-14ba-a0c3-3a00-264b-feff-fe8b-be8a.rev.dnainternet.fi. [2001:14ba:a0c3:3a00:264b:feff:fe8b:be8a]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-583166561c0sm3244298e87.81.2025.09.28.01.25.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 28 Sep 2025 01:25:12 -0700 (PDT) From: Dmitry Baryshkov Date: Sun, 28 Sep 2025 11:24:51 +0300 Subject: [PATCH v2 6/9] drm/msm: hdmi: handle unsupported InfoFrames Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250928-limit-infoframes-2-v2-6-6f8f5fd04214@oss.qualcomm.com> References: <20250928-limit-infoframes-2-v2-0-6f8f5fd04214@oss.qualcomm.com> In-Reply-To: <20250928-limit-infoframes-2-v2-0-6f8f5fd04214@oss.qualcomm.com> To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Liu Ying , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten , Sandy Huang , =?utf-8?q?Heiko_St=C3=BCbner?= , Andy Yan , Samuel Holland Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-sunxi@lists.linux.dev X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2210; i=dmitry.baryshkov@oss.qualcomm.com; h=from:subject:message-id; bh=vJ6MP4HtyLt5a75BuYCv3CbEFdh6+KuelPeaDQZ+OQQ=; b=owEBbQGS/pANAwAKAYs8ij4CKSjVAcsmYgBo2PDUyU7rCSa5YzapriRO9eRiYkhaqCHGmx40e u2QgQMrjL+JATMEAAEKAB0WIQRMcISVXLJjVvC4lX+LPIo+Aiko1QUCaNjw1AAKCRCLPIo+Aiko 1c1+B/48g8XIA1mGiOfBerCYJp2Fs5T0zJCKW9Jx4v3PO9b+8QxLYHib6tzym0IumYyly/k7z4p aUIpTczb+3zc4DGKfWFnoVBBcTbT+7bBq4805NeNbG7sEYGN5sH64Dx1u+jhfGRODdGJ/E+hDt3 JpTbshDXWQN/kpzysIXBESgmxv1QN9TZLzCY36KK8KZcY2UZJZ3BuJ+BsHvTwvqrBLm+DD9MXZw vI3gknUTNjHrk5YskzwrvFAzYF9tGB9mA9SHw9SegZAAmf7YWzW8SJldbp4vPyMDTLmT6TOGA4F JXeghLBFIPITZh4fDuHuLiz5X/nbdlBhKMJwMBQJqDnFjqqw X-Developer-Key: i=dmitry.baryshkov@oss.qualcomm.com; a=openpgp; fpr=8F88381DD5C873E4AE487DA5199BF1243632046A X-Proofpoint-GUID: XmKZ86OZGdpV3CnLax-mXFopXjH0jCQU X-Authority-Analysis: v=2.4 cv=O4g0fR9W c=1 sm=1 tr=0 ts=68d8f0eb cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=yJojWOMRYYMA:10 a=EUspDBNiAAAA:8 a=B-oVSsyST8MYkDpc_wEA:9 a=QEXdDO2ut3YA:10 a=kacYvNCVWA4VmyqE58fU:22 X-Proofpoint-ORIG-GUID: XmKZ86OZGdpV3CnLax-mXFopXjH0jCQU X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwOTI3MDAwMSBTYWx0ZWRfX4sgRovQboPxD clrKUrzH5YvARfGVoPbMn3YdqzQqAbNk866htby+ZyD4uqVuz6rWgwd89S9JAbM81yJF53BDxa3 MrtUIt6eT+qIExqXaLdoIOo927GO86nszAA2RtS4bqB3iQRzsZMkrYxEzAK+0IBForFozh5yTed /elBbbC4H8eMq3L7BfZVbIZy/8kL2FWuGEgRk25RQ+EFb5B+5OMGM3T4BI8Jx/I/M1GejbMqrn1 w4GA2wtBwF9NHQyytgg6lkp5EgeOWBbSd3TIaco+6la5VAeP9yBbmxa5wWzYupXZbAha/81m7vI 6fllcNtypodUJXsFyFkFBwQh2QsT90WQNVzQ/3+DMMHAEaNClskOgomLRhy8+3434+rju+7v/Ii +hzH5LNDm4KUhpvuBlDj0NPqyssMrA== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-09-28_04,2025-09-26_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 phishscore=0 clxscore=1015 priorityscore=1501 lowpriorityscore=0 spamscore=0 impostorscore=0 bulkscore=0 suspectscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2509150000 definitions=main-2509270001 Make hdmi_write_hdmi_infoframe() and hdmi_clear_infoframe() callbacks return -EOPNOTSUPP for unsupported InfoFrames and make sure that atomic_check() callback doesn't allow unsupported InfoFrames to be enabled. Signed-off-by: Dmitry Baryshkov --- drivers/gpu/drm/msm/hdmi/hdmi_bridge.c | 19 ++++++++++++++++--- 1 file changed, 16 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c b/drivers/gpu/drm/msm/h= dmi/hdmi_bridge.c index 46fd58646d32fd0611192595826a3aa680bd0d02..121239a01cea334c3e7c789ebfb= 54df71515db28 100644 --- a/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c +++ b/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c @@ -248,7 +248,7 @@ static int msm_hdmi_bridge_clear_infoframe(struct drm_b= ridge *bridge, break; =20 default: - drm_dbg_driver(hdmi_bridge->base.dev, "Unsupported infoframe type %x\n",= type); + return -EOPNOTSUPP; } =20 return 0; @@ -273,11 +273,23 @@ static int msm_hdmi_bridge_write_infoframe(struct drm= _bridge *bridge, case HDMI_INFOFRAME_TYPE_VENDOR: return msm_hdmi_config_hdmi_infoframe(hdmi, buffer, len); default: - drm_dbg_driver(hdmi_bridge->base.dev, "Unsupported infoframe type %x\n",= type); - return 0; + return -EOPNOTSUPP; } } =20 +static int msm_hdmi_bridge_atomic_check(struct drm_bridge *bridge, + struct drm_bridge_state *bridge_state, + struct drm_crtc_state *crtc_state, + struct drm_connector_state *conn_state) +{ + /* should not happen, HDR support not enabled */ + if (drm_WARN_ON_ONCE(bridge->encoder->dev, + conn_state->hdmi.infoframes.hdr_drm.set)) + return -EOPNOTSUPP; + + return 0; +} + static void msm_hdmi_set_timings(struct hdmi *hdmi, const struct drm_display_mode *mode); =20 @@ -452,6 +464,7 @@ static enum drm_mode_status msm_hdmi_bridge_tmds_char_r= ate_valid(const struct dr } =20 static const struct drm_bridge_funcs msm_hdmi_bridge_funcs =3D { + .atomic_check =3D msm_hdmi_bridge_atomic_check, .atomic_duplicate_state =3D drm_atomic_helper_bridge_duplicate_state, .atomic_destroy_state =3D drm_atomic_helper_bridge_destroy_state, .atomic_reset =3D drm_atomic_helper_bridge_reset, --=20 2.47.3