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From:   Maxime Ripard <mripard@kernel.org>
Date:   Thu, 07 Dec 2023 16:49:58 +0100
Subject: [PATCH v5 35/44] drm/rockchip: inno_hdmi: Drop HDMI Vendor
 Infoframe support
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Message-Id: <20231207-kms-hdmi-connector-state-v5-35-6538e19d634d@kernel.org>
References: <20231207-kms-hdmi-connector-state-v5-0-6538e19d634d@kernel.org>
In-Reply-To: <20231207-kms-hdmi-connector-state-v5-0-6538e19d634d@kernel.org>
To:     Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
        Thomas Zimmermann <tzimmermann@suse.de>,
        David Airlie <airlied@gmail.com>,
        Daniel Vetter <daniel@ffwll.ch>, Emma Anholt <emma@anholt.net>,
        Jonathan Corbet <corbet@lwn.net>,
        Sandy Huang <hjc@rock-chips.com>,
        =?utf-8?q?Heiko_St=C3=BCbner?= <heiko@sntech.de>,
        Chen-Yu Tsai <wens@csie.org>,
        Jernej Skrabec <jernej.skrabec@gmail.com>,
        Samuel Holland <samuel@sholland.org>
Cc:     Hans Verkuil <hverkuil@xs4all.nl>, dri-devel@lists.freedesktop.org,
        linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-media@vger.kernel.org,
        linux-rockchip@lists.infradead.org, linux-sunxi@lists.linux.dev,
        Maxime Ripard <mripard@kernel.org>,
        Johan Jonker <jbx6244@gmail.com>
Precedence: bulk

The HDMI vendor infoframe is only meant to be sent with 4k60 modes and
higher, but the controller doesn't support them. Let's drop them from
the kernel.

Suggested-by: Johan Jonker <jbx6244@gmail.com>
Signed-off-by: Maxime Ripard <mripard@kernel.org>
---
 drivers/gpu/drm/rockchip/inno_hdmi.c | 35 ++++++++++-------------------------
 1 file changed, 10 insertions(+), 25 deletions(-)

diff --git a/drivers/gpu/drm/rockchip/inno_hdmi.c b/drivers/gpu/drm/rockchip/inno_hdmi.c
index 59b2b676b7b8..9c64f94ede6f 100644
--- a/drivers/gpu/drm/rockchip/inno_hdmi.c
+++ b/drivers/gpu/drm/rockchip/inno_hdmi.c
@@ -157,11 +157,15 @@ static void inno_hdmi_reset(struct inno_hdmi *hdmi)
 }
 
 static int inno_hdmi_upload_frame(struct inno_hdmi *hdmi, int setup_rc,
-				  union hdmi_infoframe *frame, u32 frame_index,
-				  u32 mask, u32 disable, u32 enable)
+				  union hdmi_infoframe *frame, u32 frame_index)
 {
-	if (mask)
-		hdmi_modb(hdmi, HDMI_PACKET_SEND_AUTO, mask, disable);
+	struct drm_connector *connector = &hdmi->connector;
+
+	if (frame_index != INFOFRAME_AVI) {
+		drm_err(connector->dev,
+			"Unsupported infoframe type: %u\n", frame_index);
+		return 0;
+	}
 
 	hdmi_writeb(hdmi, HDMI_CONTROL_PACKET_BUF_INDEX, frame_index);
 
@@ -177,28 +181,11 @@ static int inno_hdmi_upload_frame(struct inno_hdmi *hdmi, int setup_rc,
 		for (i = 0; i < rc; i++)
 			hdmi_writeb(hdmi, HDMI_CONTROL_PACKET_ADDR + i,
 				    packed_frame[i]);
-
-		if (mask)
-			hdmi_modb(hdmi, HDMI_PACKET_SEND_AUTO, mask, enable);
 	}
 
 	return setup_rc;
 }
 
-static int inno_hdmi_config_video_vsi(struct inno_hdmi *hdmi,
-				      struct drm_display_mode *mode)
-{
-	union hdmi_infoframe frame;
-	int rc;
-
-	rc = drm_hdmi_vendor_infoframe_from_display_mode(&frame.vendor.hdmi,
-							 &hdmi->connector,
-							 mode);
-
-	return inno_hdmi_upload_frame(hdmi, rc, &frame, INFOFRAME_VSI,
-		m_PACKET_VSI_EN, v_PACKET_VSI_EN(0), v_PACKET_VSI_EN(1));
-}
-
 static int inno_hdmi_config_video_avi(struct inno_hdmi *hdmi,
 				      struct drm_display_mode *mode)
 {
@@ -210,7 +197,7 @@ static int inno_hdmi_config_video_avi(struct inno_hdmi *hdmi,
 						      mode);
 	frame.avi.colorspace = HDMI_COLORSPACE_RGB;
 
-	return inno_hdmi_upload_frame(hdmi, rc, &frame, INFOFRAME_AVI, 0, 0, 0);
+	return inno_hdmi_upload_frame(hdmi, rc, &frame, INFOFRAME_AVI);
 }
 
 static int inno_hdmi_config_video_csc(struct inno_hdmi *hdmi)
@@ -306,10 +293,8 @@ static int inno_hdmi_setup(struct inno_hdmi *hdmi,
 
 	inno_hdmi_config_video_csc(hdmi);
 
-	if (display->is_hdmi) {
+	if (display->is_hdmi)
 		inno_hdmi_config_video_avi(hdmi, mode);
-		inno_hdmi_config_video_vsi(hdmi, mode);
-	}
 
 	/*
 	 * When IP controller have configured to an accurate video

-- 
2.43.0