linux-kernel - [PATCH v3 5/7] drm/bridge: lontium-lt9611: drop TMDS char rate check in mode

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Message-Id: <20241109-hdmi-mode-valid-v3-5-5348c2368076@linaro.org>
Date: Sat, 09 Nov 2024 14:35:09 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
 Chen-Yu Tsai <wens@...e.org>, Jernej Skrabec <jernej.skrabec@...il.com>, 
 Samuel Holland <samuel@...lland.org>, 
 Dave Stevenson <dave.stevenson@...pberrypi.com>, 
 Maíra Canal <mcanal@...lia.com>, 
 Raspberry Pi Kernel Maintenance <kernel-list@...pberrypi.com>, 
 Andrzej Hajda <andrzej.hajda@...el.com>, 
 Neil Armstrong <neil.armstrong@...aro.org>, Robert Foss <rfoss@...nel.org>, 
 Laurent Pinchart <Laurent.pinchart@...asonboard.com>, 
 Jonas Karlman <jonas@...boo.se>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev
Subject: [PATCH v3 5/7] drm/bridge: lontium-lt9611: drop TMDS char rate
 check in mode_valid

Drop manual check of the TMDS char rate in the mode_valid callback. This
check is now being performed by the core.

Reviewed-by: Chen-Yu Tsai <wens@...e.org>
Reviewed-by: Maxime Ripard <mripard@...nel.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
---
 drivers/gpu/drm/bridge/lontium-lt9611.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/bridge/lontium-lt9611.c b/drivers/gpu/drm/bridge/lontium-lt9611.c
index 1b31fdebe164063e6f3972fdf8a5801ef4c35c4e..b8ccffdf515ade6e3bf863edbedc41e6f2030f29 100644
--- a/drivers/gpu/drm/bridge/lontium-lt9611.c
+++ b/drivers/gpu/drm/bridge/lontium-lt9611.c
@@ -757,7 +757,6 @@ static enum drm_mode_status lt9611_bridge_mode_valid(struct drm_bridge *bridge,
 						     const struct drm_display_mode *mode)
 {
 	struct lt9611 *lt9611 = bridge_to_lt9611(bridge);
-	unsigned long long rate;
 
 	if (mode->hdisplay > 3840)
 		return MODE_BAD_HVALUE;
@@ -765,8 +764,7 @@ static enum drm_mode_status lt9611_bridge_mode_valid(struct drm_bridge *bridge,
 	if (mode->hdisplay > 2000 && !lt9611->dsi1_node)
 		return MODE_PANEL;
 
-	rate = drm_hdmi_compute_mode_clock(mode, 8, HDMI_COLORSPACE_RGB);
-	return bridge->funcs->hdmi_tmds_char_rate_valid(bridge, mode, rate);
+	return MODE_OK;
 }
 
 static int lt9611_bridge_atomic_check(struct drm_bridge *bridge,

-- 
2.39.5