From nobody Wed Oct 1 22:14:43 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 DA6162BEC41 for ; Sun, 28 Sep 2025 08:25:19 +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=1759047921; cv=none; b=sIkVZzfupqFnT3g6qSbAKO9Q4w1xX8JN7iTBtIOP0MlgfbiQ/NzYC15wCI+n1bTyNDHTXUzcEN/ZZvsFn9crbzoSmMMSgsdXyQMazQTRBD+h6DVcnkH17bvQ6hH5/pDuXIfemiQGmPTfakI5gqSl2spjMe8Lx/8HcHu+dquYlsg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759047921; c=relaxed/simple; bh=1/mrVoFRRvpJKLVB9yIweMc38FlRgmbKvH5lbekmKJM=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=URSJh1uPmosDqE7Ua7jnRxCHKXH6b8ZJVz7n9N6lzGD7HsIwDQCWlbz08m7Wq/fsJpgGFbr6AdP1LGbTstwVS2R3u+3zAmxjkdzvEqQLl4h3DepESun89EmEsnibAAs76AqBcKkOx6O0aQmB6Od3RINWpsjsGnFCekCni/ERdas= 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=mp4uYkh3; 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="mp4uYkh3" Received: from pps.filterd (m0279868.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 58S8GuNq012669 for ; Sun, 28 Sep 2025 08:25:19 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= JW7b0AYTyN594l8jjE7IU9Ox23Y6YfPpI2powo8DyoE=; b=mp4uYkh3my/rx1K6 uqOwewezFIOGTfAWBC4LJiqXSiJqYkSyfHxq24uRT+mIf4ORRgXxNBO1vIH47rSy tykT0usK7356iAfJwZYeMFnpv/zxwfiN5BCYkgwenWnIQrDjUdM5DD9rwaYu+6Ch ZIDGImYyjvsPMV/ckGhwjS23Mfctwxrt9E/To+vfgSwYazOG6VG/JECbyWiP7v3n jwJIAGaAWGWZHrREK3bkxDZt2+JJWyueAGlml6EDioGbF4aiBkiFEP2jbhEKUTNU nQNFfiLxGlXw6ViWcpjGOMoK+m9MCrUa+ob3FPzOl4zoUkO9p3LJC285H4tXp7rQ Dtscqw== 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 49e78ftfjf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Sun, 28 Sep 2025 08:25:18 +0000 (GMT) Received: by mail-qt1-f199.google.com with SMTP id d75a77b69052e-4de2c597a6eso68688361cf.1 for ; Sun, 28 Sep 2025 01:25:18 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1759047907; x=1759652707; 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=JW7b0AYTyN594l8jjE7IU9Ox23Y6YfPpI2powo8DyoE=; b=mCN24+ONPHUS9EnkaFcLbLY8+qsGTUFPgjmk2syo21YlmTwPmSxqJWLZFsdAz2D0be xM9NF0wxdbG9xR9+Mc32d2KOox6i28UuPtZDjFvztljSEl7o/V9iPHaHK6AXnc6Klu6K B/87mxcBg1ThcPO7+hrYRM3K6kv4Yj6bjg3SWAKpUjMXNdR/f+LrALF750s3KV6Kb+ig JMTKNFS5GmR2yIKQigQq2CTGT6XigxWEvW4tgPpa4Q0RcRMt0HLxBFFuh+EoAY/V/F7Z Fit0DgRRTn5ox+fe2jIFGX9XNaY+GHUc0FVqrBq0SmdanMI7F+pBVMCg0eEErEktZ6Xv ikew== X-Forwarded-Encrypted: i=1; AJvYcCWFSf/FVYnTVp8HHwa3RkpU3ofbSRYjDKKYVI40RzaS1MhPtksNDaFhiss46gnWsllc8C8dHDHYAEiOjqk=@vger.kernel.org X-Gm-Message-State: AOJu0Yy8XpluoJYRUpzzaj70obBkU03iaqQMylGmzUh5OtqSRd00a3rA fNHMXwJugyelbadb/Evu9fi6VeQuo0NFFMOeK5DdW7zecwIVWEE3Qr/5SkcO9JDOu22yvlTW89T MLxm8c5pcSPRv4GfAUP0pBLmTy6xmewcfsqmOZEorcbO8YS7ScsxZAME57810ZJFi/mw= X-Gm-Gg: ASbGnctLA2aso3/0BHgoLLCqa8Dydj3R+YYwUW46wapdHTBzV4OUrudzjtTmS9+UyfQ pw+x8IhbHf0Tp4f70c+ZW0gx4djj3hmiEo4rymUb23KRm5uxMhkQbwV2QnCVFUN8819qyMtFgwR m8v4uNtXvD1v6iT4CwHbgOtP9hQ56aGINZ2tgYdfxn3WSse0tgC4kXXAVnbD9CkgqUhbeUD199S V8X6m0j3qyGEJpu9L9rWnZLbN/LRE4Ue7Y1JoGk8EDJQVyTt3EopSmh+e0VQr7Ux3uH0FfHmnyQ b3g9kZ3Wjgb0aAD9Wp2+EzS9vhv8pIt6NamX0Ip8ZjVEYOER2So+SVygAnn00bh2/+t9QAjd0Vx qQ1qyPylrKi9YRbU9JReX21nO3FRsUD0ln0yTA8sVO9IEqjz4OuBP X-Received: by 2002:a05:622a:4113:b0:4e0:3cdb:d1df with SMTP id d75a77b69052e-4e03cdbd513mr20512901cf.61.1759047906706; Sun, 28 Sep 2025 01:25:06 -0700 (PDT) X-Google-Smtp-Source: AGHT+IG4tHD6skIRR3PjbcrlwIurQ9DEwp1HfbyW5F+wYqRDoVlCeVHGTwgYk18z8akZBkWd0ey2Ew== X-Received: by 2002:a05:622a:4113:b0:4e0:3cdb:d1df with SMTP id d75a77b69052e-4e03cdbd513mr20512631cf.61.1759047906284; Sun, 28 Sep 2025 01:25:06 -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 2adb3069b0e04-583166561c0sm3244298e87.81.2025.09.28.01.25.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 28 Sep 2025 01:25:03 -0700 (PDT) From: Dmitry Baryshkov Date: Sun, 28 Sep 2025 11:24:48 +0300 Subject: [PATCH v2 3/9] drm/bridge: ite-it6263: 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-v2-3-6f8f5fd04214@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=2493; i=dmitry.baryshkov@oss.qualcomm.com; h=from:subject:message-id; bh=1/mrVoFRRvpJKLVB9yIweMc38FlRgmbKvH5lbekmKJM=; b=owEBbQGS/pANAwAKAYs8ij4CKSjVAcsmYgBo2PDTbRA2Db0kLZgBdJccCkRJyGWafvFK3UwlK Og2krTm2XmJATMEAAEKAB0WIQRMcISVXLJjVvC4lX+LPIo+Aiko1QUCaNjw0wAKCRCLPIo+Aiko 1XK6B/92TZdiTuBfCGlRC4tos6HVjULlKxbSlGenYR7KxEuZIHS4Dk0YnbH092fpCdLBVwu+HPU ujJ62abOk2Im0tkGhv2TcH17QXLGxsVHTeyqEaTyUrXZ6CY6h0NkastGwiYHf7g8QlADuFs1GxS lW1oQ+pI4hic2KPX/aJrg1zgAtNlypZ9RCJ68akVjorGwphcyKNLVN+zLiaMTr2sw721zRXl6Ds +du/mKltWJZ2dFgc9hP/NUj79ScuZN5JP25DmLz0AaFvVGCMmY3VVDSzl16zxQo/N0sdcQr0wd1 8zhPxNihWZjFB9JMpn9yvj1d4yupQZF+el6CWN1CghvEARSl X-Developer-Key: i=dmitry.baryshkov@oss.qualcomm.com; a=openpgp; fpr=8F88381DD5C873E4AE487DA5199BF1243632046A X-Authority-Analysis: v=2.4 cv=DZAaa/tW c=1 sm=1 tr=0 ts=68d8f0ee cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=yJojWOMRYYMA:10 a=EUspDBNiAAAA:8 a=yMgUBx0mNp5KM1AuerMA:9 a=QEXdDO2ut3YA:10 a=kacYvNCVWA4VmyqE58fU:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwOTI3MDAyMiBTYWx0ZWRfX604/V6ZfCb1k +4jXIRMdCNVW2vqi3IdQaroz4iJnEleywvS1+xZC2vhqYeEeFuw4OxFMT4PF8Ji+7TQ9uvvsSd+ kc1d1wqd+87c1vTmEG+Go0/gAlRudnBTE3WZFWJyzBp6KoADeCkXGAYkZ6IqclT/I2Z3AEw46Tj sJVqvR4GvhqkZSfR5XBmizmhlSc174wWmb0wnzVfl/CectRdPMoLfhVDb0kV0bWQMIV/BgJpeS+ ravxrMEoN9DuseQElwIkL6RpvKI6coQPTbG8DjuHHROd6fTcvaFnujtMdYknnYQLCXjflnErz1O w3zGIlUHor2L0YmqpnOXHTgMWMqObDjQFkPjlXcdNxkLmWXMpaMfrVWErnG7QaUm81XhFbMIvui w0GWcbN4h0hE2aKq3+cNsfRV97mtNA== X-Proofpoint-GUID: n9YBMwZ_LX14IcB5xwZCXljnZabVaWCg X-Proofpoint-ORIG-GUID: n9YBMwZ_LX14IcB5xwZCXljnZabVaWCg 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 phishscore=0 malwarescore=0 bulkscore=0 clxscore=1015 adultscore=0 impostorscore=0 priorityscore=1501 lowpriorityscore=0 suspectscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2509150000 definitions=main-2509270022 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 Acked-by: Liu Ying --- drivers/gpu/drm/bridge/ite-it6263.c | 27 +++++++++++++++++++++++++-- 1 file changed, 25 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/bridge/ite-it6263.c b/drivers/gpu/drm/bridge/i= te-it6263.c index 2eb8fba7016cbf0dcb19aec4ca8849f1fffaa64c..cf3d76d748dde51e93b2b19cc2c= be023ca2629b8 100644 --- a/drivers/gpu/drm/bridge/ite-it6263.c +++ b/drivers/gpu/drm/bridge/ite-it6263.c @@ -26,6 +26,7 @@ #include #include #include +#include #include =20 /* -----------------------------------------------------------------------= ------ @@ -772,7 +773,7 @@ static int it6263_hdmi_clear_infoframe(struct drm_bridg= e *bridge, regmap_write(it->hdmi_regmap, HDMI_REG_PKT_NULL_CTRL, 0); break; default: - dev_dbg(it->dev, "unsupported HDMI infoframe 0x%x\n", type); + return -EOPNOTSUPP; } =20 return 0; @@ -812,13 +813,35 @@ static int it6263_hdmi_write_infoframe(struct drm_bri= dge *bridge, ENABLE_PKT | REPEAT_PKT); break; default: - dev_dbg(it->dev, "unsupported HDMI infoframe 0x%x\n", type); + return -EOPNOTSUPP; } =20 return 0; } =20 +static int it6263_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) +{ + /* not supported by the driver */ + conn_state->hdmi.infoframes.spd.set =3D false; + + /* should not happen, audio support not enabled */ + if (drm_WARN_ON_ONCE(bridge->encoder->dev, + conn_state->connector->hdmi.infoframes.audio.set)) + return -EOPNOTSUPP; + + /* 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 const struct drm_bridge_funcs it6263_bridge_funcs =3D { + .atomic_check =3D it6263_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