Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 5B26C3914ED; Thu, 30 Jul 2026 14:44:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785422672; cv=none; b=oe666oSdOlvA6vWE+uJNfgYspsA7ebB95Zp+DPp+wnzo/sLdYZ1/wJBsKLx9TNIPdx1vAWdMk2uFIPp9KTkczuqBqe6v238CCcIdOXKiyRMcA5RxTF49/BCjXrI711vzfaRFIXyzg6CSFoV9s2tMtNU6+Hpr6DFogoiGj3vD4Mc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785422672; c=relaxed/simple; bh=qGz5q5IWjFtVbKc6vn4zJPGmy53cKSCDdKsuQXQsTEE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=DSnCxn3usj2enc3OAbjZ/WeLQAXgtxdIQOIybtSOdMZ1OtUKYSf6yaT6dWqzMsxpJIJJN6RalDX7OkropC7vl6GbBzS4hKK9baU38AaDkyODvJLRdF3bNkP+IVQE73K+Te8bYbkMumo7owER0IuC8xQ9NZOOZoCmpPlu9UjPH6A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=SBGeMU7K; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="SBGeMU7K" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B6F4A1F00A3A; Thu, 30 Jul 2026 14:44:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1785422671; bh=16a9mSkMBaFJI20KH6QhvGD9o3pWJxbhA+ZUx1rFEvM=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=SBGeMU7K2Y/fcRGYUaq8UeHt/waGQEl05qgcTzHFXQaJeetiD132Upyirrq3uMxKR KpuX7W+VnTqUF2D3xsuFA2TSFyeUmYL0ziHNa3DzNrzOrjS9jXeUfvuSNMbGhkkSK0 j9AlIOpO7u4bfUdOpCvNqihSgLdEWLdnRhj2u2wo= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Ross Cawston , Dmitry Osipenko , Hans Verkuil Subject: [PATCH 7.1 519/744] media: synopsys: hdmirx: Fix HPD lane hold time Date: Thu, 30 Jul 2026 16:13:12 +0200 Message-ID: <20260730141455.307701459@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260730141444.267951807@linuxfoundation.org> References: <20260730141444.267951807@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 7.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Dmitry Osipenko commit d1162a5adbb5e95953d460b5bde3a04cd4473fe9 upstream. Increase time of holding HPD lane low by 50ms. This fixes EDID change not detected by source/display side. Fixes: 7b59b132ad43 ("media: platform: synopsys: Add support for HDMI input driver") Cc: stable@vger.kernel.org Reported-by: Ross Cawston Closes: https://lore.kernel.org/linux-rockchip/20260209061654.54757-1-ross@r-sc.ca/ Signed-off-by: Dmitry Osipenko Signed-off-by: Hans Verkuil Signed-off-by: Greg Kroah-Hartman --- drivers/media/platform/synopsys/hdmirx/snps_hdmirx.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/media/platform/synopsys/hdmirx/snps_hdmirx.c +++ b/drivers/media/platform/synopsys/hdmirx/snps_hdmirx.c @@ -506,9 +506,9 @@ static void hdmirx_hpd_ctrl(struct snps_ hdmirx_writel(hdmirx_dev, CORE_CONFIG, hdmirx_dev->hpd_trigger_level_high ? en : !en); - /* 100ms delay as per HDMI spec */ + /* 100ms delay as per HDMI spec + extra 50ms to cover internal delay */ if (!en) - msleep(100); + msleep(100 + 50); } static void hdmirx_write_edid_data(struct snps_hdmirx_dev *hdmirx_dev,