From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 9E2B914388F; Fri, 29 Mar 2024 12:27:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711715274; cv=none; b=SXTwLyCRJAgULgmSitzJ6CGWyW7EkgVFvfj0XuTsqrBweHnLrqf2KoP0fb56kKM9ooaco5+C+Nr8l3iiKG86T085Sp8/bDgd+A0DYO8vwZbKCaYAaHIUgtW040awN05AOP3sF8V23x6+NOFeKKwAZkHkNW5CVj6wsafpu4nIGLA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711715274; c=relaxed/simple; bh=r4/4GXGTk++z1W7+MaTn3Izp/E4xpOEvXWgaDBkkPY0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=mW39iW9ignET5iN6SUeZFzJXVlREoRc4JvJKOWhRzksQw0wM1qcHyT8lONeto0b2XeYbBMaVw6ruVePUmClI3Ea5bfGrqLyXwMK6McjJzdWnkwtxVoSg32V1SPzmK0OkfnKZ5VKaCG1MpRNbw8o/Nqg+N5Vq5+IMKJwAIo5xXFE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=JRO3QA74; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="JRO3QA74" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DDC0FC433F1; Fri, 29 Mar 2024 12:27:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711715274; bh=r4/4GXGTk++z1W7+MaTn3Izp/E4xpOEvXWgaDBkkPY0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JRO3QA74ot/ygm3sb0I4FPQv5bTdTT54u1248iwryEvWVYiXmWpZ1nRYSf3xZn8Kd QTC5tuhOq/Au8rNHc36159ZAVtzooCCeoaLOWTMRWmKixSz3djqlQDzSsjMZ5q9cfh 44GJ8L65tuP4Nv3M0OR3F7D2+lgPqTON2g5pAroYzeOeYdYWuGyu+a/PG2tJOFDfA9 eFRewdAJYZMMqz9o2We+0uNHDAp4WyKRxLCtatAsdBwy/+FVH69mcFNU74IDOPzJGp hMiiNi9hG14mVyxYRLa6SnjajXL3p1zrhPCQpwrdrswEWsnSuilVOREyUA+f+u9BPL yngRRbO0/ycRA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Adam Ford , Jacky Bai , Sandor Yu , Ulf Hansson , Sasha Levin , shawnguo@kernel.org, geert+renesas@glider.be, festevam@gmail.com, heiko@sntech.de, u.kleine-koenig@pengutronix.de, marex@denx.de, linux-pm@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org Subject: [PATCH AUTOSEL 6.8 31/68] pmdomain: imx8mp-blk-ctrl: imx8mp_blk: Add fdcc clock to hdmimix domain Date: Fri, 29 Mar 2024 08:25:27 -0400 Message-ID: <20240329122652.3082296-31-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240329122652.3082296-1-sashal@kernel.org> References: <20240329122652.3082296-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.8.2 Content-Transfer-Encoding: 8bit From: Adam Ford [ Upstream commit 697624ee8ad557ab5417f985d2c804241a7ad30d ] According to i.MX8MP RM and HDMI ADD, the fdcc clock is part of hdmi rx verification IP that should not enable for HDMI TX. But actually if the clock is disabled before HDMI/LCDIF probe, LCDIF will not get pixel clock from HDMI PHY and print the error logs: [CRTC:39:crtc-2] vblank wait timed out WARNING: CPU: 2 PID: 9 at drivers/gpu/drm/drm_atomic_helper.c:1634 drm_atomic_helper_wait_for_vblanks.part.0+0x23c/0x260 Add fdcc clock to LCDIF and HDMI TX power domains to fix the issue. Signed-off-by: Adam Ford Reviewed-by: Jacky Bai Signed-off-by: Sandor Yu Link: https://lore.kernel.org/r/20240203165307.7806-5-aford173@gmail.com Signed-off-by: Ulf Hansson Signed-off-by: Sasha Levin --- drivers/pmdomain/imx/imx8mp-blk-ctrl.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/pmdomain/imx/imx8mp-blk-ctrl.c b/drivers/pmdomain/imx/imx8mp-blk-ctrl.c index e3203eb6a0229..a56f7f92d0915 100644 --- a/drivers/pmdomain/imx/imx8mp-blk-ctrl.c +++ b/drivers/pmdomain/imx/imx8mp-blk-ctrl.c @@ -55,7 +55,7 @@ struct imx8mp_blk_ctrl_domain_data { const char *gpc_name; }; -#define DOMAIN_MAX_CLKS 2 +#define DOMAIN_MAX_CLKS 3 #define DOMAIN_MAX_PATHS 3 struct imx8mp_blk_ctrl_domain { @@ -457,8 +457,8 @@ static const struct imx8mp_blk_ctrl_domain_data imx8mp_hdmi_domain_data[] = { }, [IMX8MP_HDMIBLK_PD_LCDIF] = { .name = "hdmiblk-lcdif", - .clk_names = (const char *[]){ "axi", "apb" }, - .num_clks = 2, + .clk_names = (const char *[]){ "axi", "apb", "fdcc" }, + .num_clks = 3, .gpc_name = "lcdif", .path_names = (const char *[]){"lcdif-hdmi"}, .num_paths = 1, @@ -483,8 +483,8 @@ static const struct imx8mp_blk_ctrl_domain_data imx8mp_hdmi_domain_data[] = { }, [IMX8MP_HDMIBLK_PD_HDMI_TX] = { .name = "hdmiblk-hdmi-tx", - .clk_names = (const char *[]){ "apb", "ref_266m" }, - .num_clks = 2, + .clk_names = (const char *[]){ "apb", "ref_266m", "fdcc" }, + .num_clks = 3, .gpc_name = "hdmi-tx", }, [IMX8MP_HDMIBLK_PD_HDMI_TX_PHY] = { -- 2.43.0