linux-kernel - [PATCH 2/4] phy: hdmi: Add color depth configuration

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Message-Id: <20241207-phy-sam-hdptx-bpc-v1-2-03c2e4d6d797@collabora.com>
Date: Sat, 07 Dec 2024 00:03:42 +0200
From: Cristian Ciocaltea <cristian.ciocaltea@...labora.com>
To: Vinod Koul <vkoul@...nel.org>, 
 Kishon Vijay Abraham I <kishon@...nel.org>, 
 Heiko Stuebner <heiko@...ech.de>
Cc: Sandor Yu <Sandor.yu@....com>, 
 Dmitry Baryshkov <dmitry.baryshkov@...aro.org>, 
 Maxime Ripard <mripard@...nel.org>, kernel@...labora.com, 
 linux-kernel@...r.kernel.org, linux-phy@...ts.infradead.org, 
 linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org
Subject: [PATCH 2/4] phy: hdmi: Add color depth configuration

Extend the HDMI configuration options to allow managing bits per color
channel.  This is required by some PHY drivers such as
rockchip-samsung-hdptx.

Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@...labora.com>
---
 include/linux/phy/phy-hdmi.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/phy/phy-hdmi.h b/include/linux/phy/phy-hdmi.h
index 6a696922bc7f29af63d88646701b2c0fcee5c885..f0ec963c6e84f1b7728acafc824dff191c6b873d 100644
--- a/include/linux/phy/phy-hdmi.h
+++ b/include/linux/phy/phy-hdmi.h
@@ -9,11 +9,13 @@
 /**
  * struct phy_configure_opts_hdmi - HDMI configuration set
  * @tmds_char_rate: HDMI TMDS Character Rate in Hertz.
+ * @bpc: Bits per color channel.
  *
  * This structure is used to represent the configuration state of a HDMI phy.
  */
 struct phy_configure_opts_hdmi {
 	unsigned long long tmds_char_rate;
+	unsigned int bpc;
 };
 
 #endif /* __PHY_HDMI_H_ */

-- 
2.47.0