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[2001:14ba:a0c3:3a00:264b:feff:fe8b:be8a]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-583139f99c1sm2156143e87.35.2025.09.26.18.04.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 26 Sep 2025 18:04:35 -0700 (PDT) From: Dmitry Baryshkov Subject: [PATCH 0/9] drm/connector: hdmi: limit infoframes per driver capabilities, second approach Date: Sat, 27 Sep 2025 04:04:29 +0300 Message-Id: <20250927-limit-infoframes-2-v1-0-697511bd050b@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-B4-Tracking: v=1; b=H4sIAB0412gC/x3MQQqAIBBA0avErBsww2S6SrSwGmugLDQiiO6et HyL/x9IHIUTtMUDkS9JsoeMqixgXFyYGWXKBq20UaQtrrLJiRL87qPbOKHGZqCaDRFbcpDDI7K X+592/ft+cVBFNmQAAAA= X-Change-ID: 20250927-limit-infoframes-2-6b93e599e79a 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 , Chen-Yu Tsai , 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=2197; i=dmitry.baryshkov@oss.qualcomm.com; h=from:subject:message-id; bh=Q78XSS/y8JtPNnJI6s3J7ArXOP9v75Iaz+LCtP6FojY=; b=owEBbQGS/pANAwAKAYs8ij4CKSjVAcsmYgBo1zgfvqV9tNwSDjjNu1bYmTuEZAt+bf4bJeYD4 z1GvExeq5aJATMEAAEKAB0WIQRMcISVXLJjVvC4lX+LPIo+Aiko1QUCaNc4HwAKCRCLPIo+Aiko 1YkbB/9JgqkHjaGTaOuUPOXbyqKe3xWoHX6CP+gZcmjWeLTPttNPll9tRPecwLTPJJzjqwb0Tpd eqnyT/OKyrEuPOjBZfBfYDV81Oe7BwMvlG9l+8UZrv7ek4sTJTW213DoX/sXyAsI9Pv4Xl9cAD/ YZdFvqbUbR/PCDvU8iqBDjexW24uxIMybn+ywBSLeIRCCWkLYAkFXuvFTxTv+zAD/rqZXMfU/1J uxHBoTMU2CSIFXyngR6Ai9qcFLfRK8BZqqdUtMEVYvWvtKnlcfrNLyu0/IuFaKyobHtojURMCfr 0qoCsi5cPINJIPi0VMgx0EIAwXBhbcnQKrtLOHJq5CDQ8gDA X-Developer-Key: i=dmitry.baryshkov@oss.qualcomm.com; a=openpgp; fpr=8F88381DD5C873E4AE487DA5199BF1243632046A X-Authority-Analysis: v=2.4 cv=ao6/yCZV c=1 sm=1 tr=0 ts=68d73827 cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=yJojWOMRYYMA:10 a=EUspDBNiAAAA:8 a=BiG78YgtQv3mHEaFN1cA:9 a=QEXdDO2ut3YA:10 a=kacYvNCVWA4VmyqE58fU:22 X-Proofpoint-ORIG-GUID: nzWYFid4u6m6PcWKGoNrf15ZCi0ww4P0 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwOTI1MDE3MiBTYWx0ZWRfX332zXH+Sn2Zz EiauIhQ1Zdx1OvrTSIzBO4PTaiU41SHfWmOh7oPA6JIBNVWdueQ5NnMO9I+kZZBlFhKfsY/gDYL mnjbRCi6S44VYgx+OMAmRpiQ8jCDf8ylhNUmbA0FxKy1rA9YbI5ukItG+Uuwhn1QAGilDCDXAjI p6jLberIwtIriOwXR8+oC+aBPUmvyyGvaxeopZOgcjjz6gPIHkKcCj+2HAK9knoxG4ZfRjnQswh GyY5ShdLWITukqlDgQtJmlIOJLg0oGm02jFp+UPulhQ2KPzhmepbP+RdUAhBQLyAELy5WWhXXGK Cj+4gnTZnfdSZEbx3RbjPv5mnobQwqxV+54GYNwa1hey+tWTJeY038X0e6QB7xbpan/fZs2g3Wj hrJAg0sORT9MmxKx0bFWdTFOdFk4Ow== X-Proofpoint-GUID: nzWYFid4u6m6PcWKGoNrf15ZCi0ww4P0 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=2025-09-26_08,2025-09-26_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 impostorscore=0 priorityscore=1501 suspectscore=0 phishscore=0 adultscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2509150000 definitions=main-2509250172 Status: O It's not uncommon for the particular device to support only a subset of HDMI InfoFrames. Currently it's mostly ignored by the framework: it calls write_infoframe() / clear_infoframe() callbacks for all frames and expects them to return success even if the InfoFrame is not supported. Sort that out, making sure that all interfaces are consistent: - In atomic_check() callback verify and disable unsupported InfoFrames. - In write_infoframe() / clear_infoframe() callbacks return -EOPNOTSUPP for unsupported InfoFrames. - In write_device_infoframe() / clear_infoframe() functions warn if the callback returns -EOPNOTSUPP for the frame which is set (or was set beforehand). Signed-off-by: Dmitry Baryshkov --- Dmitry Baryshkov (9): drm/display: hdmi-state-helpers: warn on unsupported InfoFrame types drm/bridge: adv7511: handle unsupported InfoFrames drm/bridge: ite-it6263: handle unsupported InfoFrames drm/bridge: lontium-lt9611: handle unsupported InfoFrames drm/bridge: synopsys/dw-hdmi-qp: handle unsupported InfoFrames drm/msm: hdmi: handle unsupported InfoFrames drm/rockchip: rk3066_hdmi: handle unsupported InfoFrames drm/rockchip: inno-hdmi: handle unsupported InfoFrames drm/sun4i: hdmi: handle unsupported InfoFrames drivers/gpu/drm/bridge/adv7511/adv7511_drv.c | 20 ++++++++-- drivers/gpu/drm/bridge/ite-it6263.c | 27 +++++++++++++- drivers/gpu/drm/bridge/lontium-lt9611.c | 22 ++++++++--- drivers/gpu/drm/bridge/synopsys/dw-hdmi-qp.c | 20 ++++++++-- drivers/gpu/drm/display/drm_hdmi_state_helper.c | 4 ++ drivers/gpu/drm/msm/hdmi/hdmi_bridge.c | 19 ++++++++-- drivers/gpu/drm/rockchip/inno_hdmi.c | 46 +++++++++++++++++------ drivers/gpu/drm/rockchip/rk3066_hdmi.c | 38 +++++++++++++++---- drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c | 49 ++++++++++++++++++++++--- 9 files changed, 202 insertions(+), 43 deletions(-) --- base-commit: bf2602a3cb2381fb1a04bf1c39a290518d2538d1 change-id: 20250927-limit-infoframes-2-6b93e599e79a Best regards,