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From: Jernej Skrabec <jernej.skrabec@gmail.com>
To: andrzej.hajda@intel.com, neil.armstrong@linaro.org,
	rfoss@kernel.org, robh+dt@kernel.org,
	krzysztof.kozlowski+dt@linaro.org, wens@csie.org,
	samuel@sholland.org
Cc: Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se,
	airlied@gmail.com, daniel@ffwll.ch,
	dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-sunxi@lists.linux.dev, linux-media@vger.kernel.org,
	hverkuil-cisco@xs4all.nl,
	Jernej Skrabec <jernej.skrabec@gmail.com>
Subject: [PATCH 2/3] drm/bridge: dw_hdmi: Handle snps,disable-cec property
Date: Sat, 15 Apr 2023 12:46:12 +0200	[thread overview]
Message-ID: <20230415104613.61224-3-jernej.skrabec@gmail.com> (raw)
In-Reply-To: <20230415104613.61224-1-jernej.skrabec@gmail.com>

New DT property allows to skip CEC initialization.

Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
---
 drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
index 603bb3c51027..e7e8199d2fb1 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
@@ -3615,7 +3615,9 @@ struct dw_hdmi *dw_hdmi_probe(struct platform_device *pdev,
 		hdmi->audio = platform_device_register_full(&pdevinfo);
 	}
 
-	if (!plat_data->disable_cec && (config0 & HDMI_CONFIG0_CEC)) {
+	if (!plat_data->disable_cec &&
+	    !of_property_read_bool(np, "snps,disable-cec") &&
+	    (config0 & HDMI_CONFIG0_CEC)) {
 		cec.hdmi = hdmi;
 		cec.ops = &dw_hdmi_cec_ops;
 		cec.irq = irq;
-- 
2.40.0


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  parent reply	other threads:[~2023-04-15 10:48 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-15 10:46 [PATCH 0/3] drm/bridge: dw_hdmi: allow to disable CEC from DT Jernej Skrabec
2023-04-15 10:46 ` [PATCH 1/3] dt-bindings: display: synopsys,dw-hdmi: Add property for disabling CEC Jernej Skrabec
2023-04-18 21:41   ` Rob Herring
2023-04-21  7:07     ` Hans Verkuil
2023-04-15 10:46 ` Jernej Skrabec [this message]
2023-04-17 13:32   ` [PATCH 2/3] drm/bridge: dw_hdmi: Handle snps,disable-cec property Robert Foss
2023-04-15 10:46 ` [PATCH 3/3] ARM: dts: sun8i: h3: beelink-x2: Disable DW-HDMI CEC Jernej Skrabec
2023-04-16 13:25   ` Laurent Pinchart
2023-04-16 13:31     ` Jernej Škrabec
2023-04-16 13:47       ` Laurent Pinchart

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