From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793214717; b=C4mfeePXELM2Y32oko+EK969mUu4rspybaPPwPDR2Und5B+Oul8O1s8v0P73/w8AfNRB 6GfvDfo9VldlOCVKgJ4DxtX78KjKWkyPFu2SgK3nLgy7Z6AFXOVcWdNSlAKTlcVKLp47n 8SgHBtJBmuTJGgTdGglqoaSLCXhDp5RIywy19A+PmWiaHbul2bhjXKGUNqRmSFT/ttH9c C6QtwkpNXzy/MdCct4d0T0GfUxPqQCbehRCWOEE/LO02yHPVYMYahtt2z/dOd6WsAxGan 5xAnt8DHGLL1mwIWxJ7wiZJF5SoiKaYORpJoRcINKgARcg4ftsT5VQD2W6WwdcM1s/w== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793214717; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:User-Agent:X-stable:X-Patchwork-Hint: MIME-Version:Content-Transfer-Encoding; bh=SGEM/eo4rypWV3Ct+l1qtzfoSzrJ392hlQLgm+mB/Oc=; b=TyUPXyzuxyhNRi6KVq9p+fmelpP4ow4utPVHFP2EdZ88VxWitmEYOTTyZH07409Hex7z dHC06QZiaZDdiiiNlEj4ozSZCO4FSMpZW4x7N+vQNZL8VJwirkpnO+NMWDeKJ3QmBmKlX +L3wxAuO+OlXGeq802oQVEiPeoZGo4eoLvX6kN1Ot7CKmMrYahgbQ3WdkHPk6as+10kgA Sq3lOU3FRD0fVn6rJD1MUe8UOBXIQe34270VTGBqWTFcOLQoZPNXGlDP6C0dX5osJSvJh oFz+vLnK11xHPOu6Kew1h0IDK/MGwqbSw17rzpCByV0YdH06WU060TYDHv4vY9ivYKA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=ZVZysmMo; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 63F7B606A33E; Wed, 28 Oct 2026 19:11:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=ZVZysmMo Received: by smtp.kernel.org (Postfix) with ESMTPSA id B4F291F01828; Wed, 28 Oct 2026 19:11:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1793214717; bh=SGEM/eo4rypWV3Ct+l1qtzfoSzrJ392hlQLgm+mB/Oc=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=ZVZysmMoZcCFBgMSs7hURXxlSET37qyYXY9st4kvd1B5gzbJxZ//95/7rnQzkerw7 XHig3GXCnLY/6HUQc7DCI/El5wpKh7ql9wjgHxXV9uYCHqv1O5EIOe9Ecv/pObjNA0 vedy6UsLIfDeV+jnoxNHaZ8JaJtQ+TP4XcbUyHHk= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jacky Bai , Ulf Hansson , Sasha Levin Subject: [PATCH 6.1 0958/1887] pmdomain: imx8mp-blk-ctrl: Keep the NOC_HDCP clock enabled Date: Wed, 28 Oct 2026 17:50:54 +0100 Message-ID: <20261028170521.207141959@linuxfoundation.org> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261028170459.200466217@linuxfoundation.org> References: <20261028170459.200466217@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore X-Mailing-List: patches@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Jacky Bai [ Upstream commit e91d5f94acf68618ea3ad9c92ac28614e791ae7d ] Keep the NOC_HDCP clock always enabled to fix the potential hang caused by the NoC ADB400 port power down handshake. Fixes: 77b0ddb42add ("soc: imx: add i.MX8MP HDMI blk ctrl HDCP/HRV_MWR") Signed-off-by: Jacky Bai Cc: stable@vger.kernel.org Signed-off-by: Ulf Hansson Signed-off-by: Sasha Levin --- drivers/soc/imx/imx8mp-blk-ctrl.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/drivers/soc/imx/imx8mp-blk-ctrl.c b/drivers/soc/imx/imx8mp-blk-ctrl.c index 65848f6b8f352..5357711b2584c 100644 --- a/drivers/soc/imx/imx8mp-blk-ctrl.c +++ b/drivers/soc/imx/imx8mp-blk-ctrl.c @@ -250,9 +250,6 @@ static void imx8mp_hdmi_blk_ctrl_power_on(struct imx8mp_blk_ctrl *bc, regmap_set_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(12)); regmap_clear_bits(bc->regmap, HDMI_TX_CONTROL0, BIT(3)); break; - case IMX8MP_HDMIBLK_PD_HDCP: - regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL0, BIT(11)); - break; case IMX8MP_HDMIBLK_PD_HRV: regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(3) | BIT(4) | BIT(5)); regmap_set_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(15)); @@ -306,9 +303,6 @@ static void imx8mp_hdmi_blk_ctrl_power_off(struct imx8mp_blk_ctrl *bc, regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL0, BIT(7)); regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(22) | BIT(24)); break; - case IMX8MP_HDMIBLK_PD_HDCP: - regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL0, BIT(11)); - break; case IMX8MP_HDMIBLK_PD_HRV: regmap_clear_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(15)); regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(3) | BIT(4) | BIT(5)); @@ -337,7 +331,7 @@ static int imx8mp_hdmi_power_notifier(struct notifier_block *nb, regmap_write(bc->regmap, HDMI_RTX_CLK_CTL0, 0x0); regmap_write(bc->regmap, HDMI_RTX_CLK_CTL1, 0x0); regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL0, - BIT(0) | BIT(1) | BIT(10)); + BIT(0) | BIT(1) | BIT(10) | BIT(11)); regmap_set_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(0)); /* -- 2.53.0