From nobody Mon Feb 9 19:05:39 2026 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (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 7DA5535502B for ; Wed, 7 Jan 2026 18:15:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767809710; cv=none; b=dIBkEgboyus91U4qlhhh90sFjymRKjxlM8pBQN6sTq61lu/8EhhhguwLM3ax6Pk6luZRRPXteWcbdiL5wN6BF8Z2MbzZTT0GTk0nnpheRg1fNlX60afzKmXtks0YN0gGd59me0lTKX3kteUQ4ixVGFqyfxc9u+REtMna9gFJAVU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767809710; c=relaxed/simple; bh=YjRxdH2GhgCXavyWIwCH6N3bsC345EISvDP2gtesFFg=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=AdMN0tOOKi49wvlDVV0GYmVddERDIsWyByRbLQ9Th7ovjiIbPDNCyms3zUB3jru1N97B5WKeSUHKVyp9eGy1Ju/hiWzPfeSh8SRvWDie4yX+5It6pxpmWh6LNfoe/m3nrbT2E00DzhSdsecyUtBx9+foBr3R3ymvrg2Ir/fPjFE= 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=LcvKs90c; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=acU4TJ0H; arc=none smtp.client-ip=205.220.168.131 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="LcvKs90c"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="acU4TJ0H" Received: from pps.filterd (m0279863.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 607H6eQ82454263 for ; Wed, 7 Jan 2026 18:15:07 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= CvOBqRWntd3xVSUEtMwnv/Rm6Go596skSwj2MkU+rb8=; b=LcvKs90co5qyoc2Z d/DIjr6T4wp6peOapih1HLy3dVAbvLTC7P2Kndnry/iEomJs8OzmIVngr3ixTOg4 tVc0xZ0DdmPlAIFS82JO8PKad+Hq37EPFHDDYa0GXy6zgBOnPD7vJ+6HgBeCQiT+ G8XV72EZ8iahnPwLPnscVkw1z9E1UZMXnq1dgZHv7GYsWAjoLBiC4TN5mTDh6g/J 6uEGqMsEJNdB6obsu3FYwEUHg8rQ/O4SdEcPEIwhJuQIkWpFmUB31BYP1mcGpKNr 8ZksV4agCherUaArKSC/9gV6QqRKNRz+GmwyFyV4PyNrFAU9PP6VNmmcPKTYAFYo Lf4E3A== Received: from mail-qk1-f198.google.com (mail-qk1-f198.google.com [209.85.222.198]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4bhmnbhpt2-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Wed, 07 Jan 2026 18:15:07 +0000 (GMT) Received: by mail-qk1-f198.google.com with SMTP id af79cd13be357-8b234bae2a7so634331585a.3 for ; Wed, 07 Jan 2026 10:15:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1767809707; x=1768414507; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=CvOBqRWntd3xVSUEtMwnv/Rm6Go596skSwj2MkU+rb8=; b=acU4TJ0HvBGNYipDC1jjjbwJws+kXNOvAcp7NRlnz0ceeglznYNnXBlMvm72zl89Lt iORosBkqEvLj/NZHe3MmvB4j1tRmtuR+gJG5ra/4eV8ujT6pEke2oO8S1UNBxltlKbnS SVvC5rgZZ/jUcZaE8Ihjiz9St3IfAld3roQAa1w8InkzjVKgW8OSTeDFwehM/0avkmK7 WcBF4kKYXUapn0N5jJjEL+Teb0pbXWbvfpZpOSePzFzmWzysVtuBVulGvTgD3Be+oMVi 3lDw+QXxCZv7jkjw2o0TC6xEnIL+RH0mDfukP7laBkAPuBWa7UGHc2NhdqWFrl6e3EE+ sB/w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1767809707; x=1768414507; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-gg:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=CvOBqRWntd3xVSUEtMwnv/Rm6Go596skSwj2MkU+rb8=; b=QHclQM0SBpBr+plosiVTyzNB9iR6Anb7pdBwTqzHzZzV7JzQBbPN7q4AqdRfVAhKod hSiXIAgoJfrf2Zo2aeIKqMWQhOO8Uc8TsSBpxPz2dMQtViHrldWy0wo1yDLQ8AFLJDUB Y8o9xGbROhibWgFpBLCHh3mtDx7tpqNbYo+cIQMA0EMuIR39ZrkqOagBeP+iCEd4luMD 0YE3h/lLvsnLcKR17Whki5HKth1gMXapfWXV/2IPARKVBlJOlRcQHrlhVw5jLWVXAmMj lg120nsWcNGbkkPke9R3PMT65JJGV0U/ruu+FNMzb3P4a2WgKn40T4f6YeE2sUWhG2pe ATWg== X-Forwarded-Encrypted: i=1; AJvYcCV7LWTaxs2bARDeAnIAM+pj0eyetNlTw5xQtFCBJzl+dlsvDHrVnCoMUo+CCet25LvUM6+pYJAW6MvdZNo=@vger.kernel.org X-Gm-Message-State: AOJu0YzDXQtTZAi1+jTpmt1CMVfjs2bl2olw33C6e1yIFKSSII+Dn2Oq 3hMkbwrNw7lSiu6gAQbJciqVxdICBKZM/I34I/mvg26BktXiY00S8vcake67noHpCuTUpp70/1e 9fzm8RxNTRJ/Xcpt1eB+/UEWdDWttB/3Yh0Iyau+p25X9TPxUOpw2h+LWAFq4TRKiXr4= X-Gm-Gg: AY/fxX52q+jeQO9L8xys9Uv1zyBLKkuZpLKqbg7t2RvdVoqR3DcOMcuMeWgzqAEaH15 IG6rwnyDCQhs4U9MGNt8IdkEECzDkwKF1THtkdcwDInoou9s9YCfbHcsgj9p+oVCdas8YDbO2Vb g0VO0CxG2N7lViJTba85Et2udP3GjX+XLtx/xCl/ZAkjc18+G+EbAZ7ts8pIstof6L2oQ0J1jt3 I7mbHeujQscSxcncFVr4J58RoFX5smv9vhqfbJz3AhyJUKuXymBa5FF72LysQMYI+/05US0fLkZ b66W6G44Ykkfk8OxjqqaKYBDGq36hINI5EO1f4AmDkv661655JDXI/JPryFwch/GxZicsk0BoHM ImBmxm1AfIpEpKcOQ61dsYhrgfp8KgTfqD6hXSLlwVX2WVoqX/wOW8EVvSPDIrTAUs1KIdBvpb5 OHclnru+CfIZXyzpVejl2HfDA= X-Received: by 2002:a05:620a:298c:b0:89f:5541:b5f5 with SMTP id af79cd13be357-8c3893751a1mr451572185a.17.1767809706386; Wed, 07 Jan 2026 10:15:06 -0800 (PST) X-Google-Smtp-Source: AGHT+IErco6iIlONdm8FoPmBoVGT4sMle7p6Daei/gbTGJZ8AsHe90PS3UuyAzSsRgYRNtmFv/UWZQ== X-Received: by 2002:a05:620a:298c:b0:89f:5541:b5f5 with SMTP id af79cd13be357-8c3893751a1mr451564685a.17.1767809705824; Wed, 07 Jan 2026 10:15:05 -0800 (PST) Received: from umbar.lan (2001-14ba-a073-af00-264b-feff-fe8b-be8a.rev.dnainternet.fi. [2001:14ba:a073:af00:264b:feff:fe8b:be8a]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-59b65d6988asm1436884e87.80.2026.01.07.10.15.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 07 Jan 2026 10:15:05 -0800 (PST) From: Dmitry Baryshkov Date: Wed, 07 Jan 2026 20:14:59 +0200 Subject: [PATCH v4 02/10] drm/vc4: hdmi: implement clear_infoframe 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: <20260107-limit-infoframes-2-v4-2-213d0d3bd490@oss.qualcomm.com> References: <20260107-limit-infoframes-2-v4-0-213d0d3bd490@oss.qualcomm.com> In-Reply-To: <20260107-limit-infoframes-2-v4-0-213d0d3bd490@oss.qualcomm.com> To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Dave Stevenson , =?utf-8?q?Ma=C3=ADra_Canal?= , Raspberry Pi Kernel Maintenance , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Liu Ying , Chun-Kuang Hu , Philipp Zabel , Matthias Brugger , AngeloGioacchino Del Regno , Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten , Sandy Huang , =?utf-8?q?Heiko_St=C3=BCbner?= , Andy Yan Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-rockchip@lists.infradead.org X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1749; i=dmitry.baryshkov@oss.qualcomm.com; h=from:subject:message-id; bh=YjRxdH2GhgCXavyWIwCH6N3bsC345EISvDP2gtesFFg=; b=owEBbQGS/pANAwAKAYs8ij4CKSjVAcsmYgBpXqKkcDiQpwhgi0U0jf8JGOrxJBwtl/l5GypPK coPxI4tELuJATMEAAEKAB0WIQRMcISVXLJjVvC4lX+LPIo+Aiko1QUCaV6ipAAKCRCLPIo+Aiko 1fRWB/92FTnBMUcYj37wwL0tkj2+9WhnXCNr6YaqOXhJHzBvMN3Ric79sLxWIk6V2x3r2jYCRTc BkdlD9X0pnL+Hq2degXIglnJH2gA1p7PGCVq8s0gm0v1ELu41JL4luLf8f6sJieWu1QXoaJk5qP 79zPwaA5N2vB9hfx5p+R6t4e8pTVe1kMeFaRCUvqmAe1Kovi1sIZ1KaVq04n6rv6Vhjro5yFiFn LyRakv9HjVWBfthh1kbm1YCWTU0Rh+rmb3pMmr07+I6SSf6xRRJ0Yq6B0EcopvIhZhVA3ayoLhz savBzIEyxFTHux8IDyABCGHnOtOfh5srllF0nQkfQKf8sNtQ X-Developer-Key: i=dmitry.baryshkov@oss.qualcomm.com; a=openpgp; fpr=8F88381DD5C873E4AE487DA5199BF1243632046A X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTA3MDE0NCBTYWx0ZWRfX+dgjY5977/9a UcrWbR+39TSIAytijca239BDIxgeRITlu9cnSt8fDzFjy2TpiT+YWbu7AwJzMtqMJpls/W3IMG7 i2Xt5YmahIaqiV0PLc23QkKpmSzDJGPU/jMQt+o/E3gK4kb51PNaYFBI6o5QFH9iapHnhxSjw0U 0B/vlEMbCbU6oTrrrTqfDLbR03ZbN8GEUnIiJ8UHMKMD6cEAVuSvT7Hwvaz1IRCZfQiPUXJwCjj 1+OqMT6xbQVc4a3U+8jJPZdhcD1PlJqUWWfjh66cwuw06TKNdCzkD+wHlY1H/lh5Lkw1Ly1tlRW hIFAjmjWdi49tjuynPQ7bgYxMJH2sCITNSH0iqaVlWhiyWFbBV/xMTmY6wm3pjGAyW5S7Y7sn1W 9UviDkV0QzmbXTtujHjh33Ra2QehNDrMvOc1Gq/gxMRM0B1zokigYAioFayFjEZb0OVIFCrRqOA lHaPiqmrfENJ9Zpn38Q== X-Proofpoint-GUID: KOhUTc8FxrsiDAMzNAfxGMN254U-AHNu X-Authority-Analysis: v=2.4 cv=eIkeTXp1 c=1 sm=1 tr=0 ts=695ea2ab cx=c_pps a=qKBjSQ1v91RyAK45QCPf5w==:117 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=gsP-wGJUQ9tQerkYUh8A:9 a=QEXdDO2ut3YA:10 a=NFOGd7dJGGMPyQGDc5-O:22 X-Proofpoint-ORIG-GUID: KOhUTc8FxrsiDAMzNAfxGMN254U-AHNu X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2026-01-07_03,2026-01-06_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 clxscore=1015 malwarescore=0 suspectscore=0 phishscore=0 impostorscore=0 lowpriorityscore=0 bulkscore=0 adultscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2601070144 Implement the clear_infoframe callback, disabling corresponding InfoFrame type. Acked-by: Maxime Ripard Signed-off-by: Dmitry Baryshkov --- drivers/gpu/drm/vc4/vc4_hdmi.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c index 1798d1156d10..4cfb7ebc0c81 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -624,6 +624,30 @@ static int vc4_hdmi_stop_packet(struct vc4_hdmi *vc4_h= dmi, return ret; } =20 +static int vc4_hdmi_clear_infoframe(struct drm_connector *connector, + enum hdmi_infoframe_type type) +{ + struct vc4_hdmi *vc4_hdmi =3D connector_to_vc4_hdmi(connector); + struct drm_device *drm =3D connector->dev; + int ret; + int idx; + + if (!drm_dev_enter(drm, &idx)) + return 0; + + WARN_ONCE(!(HDMI_READ(HDMI_RAM_PACKET_CONFIG) & + VC4_HDMI_RAM_PACKET_ENABLE), + "Packet RAM has to be on to store the packet."); + + ret =3D vc4_hdmi_stop_packet(vc4_hdmi, type, true); + if (ret) + drm_err(drm, "Failed to wait for infoframe to go idle: %d\n", ret); + + drm_dev_exit(idx); + + return ret; +} + static int vc4_hdmi_write_infoframe(struct drm_connector *connector, enum hdmi_infoframe_type type, const u8 *infoframe, size_t len) @@ -1660,6 +1684,7 @@ vc4_hdmi_connector_clock_valid(const struct drm_conne= ctor *connector, =20 static const struct drm_connector_hdmi_funcs vc4_hdmi_hdmi_connector_funcs= =3D { .tmds_char_rate_valid =3D vc4_hdmi_connector_clock_valid, + .clear_infoframe =3D vc4_hdmi_clear_infoframe, .write_infoframe =3D vc4_hdmi_write_infoframe, }; =20 --=20 2.47.3