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From: Alex Bee <knaerzche@gmail.com>
To: Sandy Huang <hjc@rock-chips.com>,
	=?UTF-8?q?Heiko=20St=C3=BCbner?= <heiko@sntech.de>,
	Andy Yan <andyshrk@163.com>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Maxime Ripard <mripard@kernel.org>,
	Thomas Zimmermann <tzimmermann@suse.de>
Cc: David Airlie <airlied@gmail.com>,
	Daniel Vetter <daniel@ffwll.ch>,
	devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-rockchip@lists.infradead.org,
	linux-kernel@vger.kernel.org,
	Alex Bee <knaerzche@gmail.com>
Subject: [PATCH v2 14/27] drm/rockchip: inno_hdmi: Switch to infoframe type
Date: Sat, 16 Dec 2023 17:26:25 +0100
Message-ID: <20231216162639.125215-15-knaerzche@gmail.com>
In-Reply-To: <20231216162639.125215-1-knaerzche@gmail.com>
References: <20231216162639.125215-1-knaerzche@gmail.com>
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From: Maxime Ripard <mripard@kernel.org>

The inno_hdmi driver relies on its own internal infoframe type matching
the hardware.

This works fine, but in order to make further reworks easier, let's
switch to the HDMI spec definition of those types.

Signed-off-by: Maxime Ripard <mripard@kernel.org>
Tested-by: Alex Bee <knaerzche@gmail.com>
---
changes in v2:
 - imported patch
 
 drivers/gpu/drm/rockchip/inno_hdmi.c | 21 +++++++++++----------
 1 file changed, 11 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/rockchip/inno_hdmi.c b/drivers/gpu/drm/rockchip/inno_hdmi.c
index 6354949bfd8e..b6b34f4b8cda 100644
--- a/drivers/gpu/drm/rockchip/inno_hdmi.c
+++ b/drivers/gpu/drm/rockchip/inno_hdmi.c
@@ -207,33 +207,34 @@ static void inno_hdmi_reset(struct inno_hdmi *hdmi)
 	inno_hdmi_set_pwr_mode(hdmi, NORMAL);
 }
 
-static void inno_hdmi_disable_frame(struct inno_hdmi *hdmi, u32 frame_index)
+static void inno_hdmi_disable_frame(struct inno_hdmi *hdmi,
+				    enum hdmi_infoframe_type type)
 {
 	struct drm_connector *connector = &hdmi->connector;
 
-	if (frame_index != INFOFRAME_AVI) {
+	if (type != HDMI_INFOFRAME_TYPE_AVI) {
 		drm_err(connector->dev,
-			"Unsupported infoframe type: %u\n", frame_index);
+			"Unsupported infoframe type: %u\n", type);
 		return;
 	}
 
-	hdmi_writeb(hdmi, HDMI_CONTROL_PACKET_BUF_INDEX, frame_index);
+	hdmi_writeb(hdmi, HDMI_CONTROL_PACKET_BUF_INDEX, INFOFRAME_AVI);
 }
 
 static int inno_hdmi_upload_frame(struct inno_hdmi *hdmi,
-				  union hdmi_infoframe *frame, u32 frame_index)
+				  union hdmi_infoframe *frame, enum hdmi_infoframe_type type)
 {
 	struct drm_connector *connector = &hdmi->connector;
 	u8 packed_frame[HDMI_MAXIMUM_INFO_FRAME_SIZE];
 	ssize_t rc, i;
 
-	if (frame_index != INFOFRAME_AVI) {
+	if (type != HDMI_INFOFRAME_TYPE_AVI) {
 		drm_err(connector->dev,
-			"Unsupported infoframe type: %u\n", frame_index);
+			"Unsupported infoframe type: %u\n", type);
 		return 0;
 	}
 
-	inno_hdmi_disable_frame(hdmi, frame_index);
+	inno_hdmi_disable_frame(hdmi, type);
 
 	rc = hdmi_infoframe_pack(frame, packed_frame,
 				 sizeof(packed_frame));
@@ -257,7 +258,7 @@ static int inno_hdmi_config_video_avi(struct inno_hdmi *hdmi,
 						      &hdmi->connector,
 						      mode);
 	if (rc) {
-		inno_hdmi_disable_frame(hdmi, INFOFRAME_AVI);
+		inno_hdmi_disable_frame(hdmi, HDMI_INFOFRAME_TYPE_AVI);
 		return rc;
 	}
 
@@ -268,7 +269,7 @@ static int inno_hdmi_config_video_avi(struct inno_hdmi *hdmi,
 	else
 		frame.avi.colorspace = HDMI_COLORSPACE_RGB;
 
-	return inno_hdmi_upload_frame(hdmi, &frame, INFOFRAME_AVI);
+	return inno_hdmi_upload_frame(hdmi, &frame, HDMI_INFOFRAME_TYPE_AVI);
 }
 
 static int inno_hdmi_config_video_csc(struct inno_hdmi *hdmi)
-- 
2.43.0