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From: Jonas Karlman <jonas@kwiboo.se>
To: dri-devel@lists.freedesktop.org, Sandy Huang <hjc@rock-chips.com>,
 "=?UTF-8?q?Heiko=20St=C3=BCbner?=" <heiko@sntech.de>, Andy Yan
 <andy.yan@rock-chips.com>, Maarten Lankhorst
 <maarten.lankhorst@linux.intel.com>, Maxime Ripard <mripard@kernel.org>,
 Thomas Zimmermann <tzimmermann@suse.de>, David Airlie <airlied@gmail.com>,
 Daniel Vetter <daniel@ffwll.ch>
Cc: linux-arm-kernel@lists.infradead.org,
 linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Jonas
 Karlman <jonas@kwiboo.se>
Subject: [PATCH 12/13] drm/rockchip: dw_hdmi: Enable 4K@60Hz mode on RK3399 and RK356x
Date: Sat, 15 Jun 2024 17:04:03 +0000
Message-ID: <20240615170417.3134517-13-jonas@kwiboo.se>
In-Reply-To: <20240615170417.3134517-1-jonas@kwiboo.se>
References: <20240615170417.3134517-1-jonas@kwiboo.se>
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Use a maximum TMDS clock rate limit of 594MHz to enable use of HDMI2.0
modes, e.g. 4K@60Hz, on RK3399 and RK3568.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
---
 drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
index d9886b1c299c..b255b8ceedb7 100644
--- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
+++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
@@ -493,7 +493,7 @@ static struct rockchip_hdmi_chip_data rk3399_chip_data = {
 	.lcdsel_grf_reg = RK3399_GRF_SOC_CON20,
 	.lcdsel_big = HIWORD_UPDATE(0, RK3399_HDMI_LCDC_SEL),
 	.lcdsel_lit = HIWORD_UPDATE(RK3399_HDMI_LCDC_SEL, RK3399_HDMI_LCDC_SEL),
-	.max_tmds_clock = 340000,
+	.max_tmds_clock = 594000,
 };
 
 static const struct dw_hdmi_plat_data rk3399_hdmi_drv_data = {
@@ -507,7 +507,7 @@ static const struct dw_hdmi_plat_data rk3399_hdmi_drv_data = {
 
 static struct rockchip_hdmi_chip_data rk3568_chip_data = {
 	.lcdsel_grf_reg = -1,
-	.max_tmds_clock = 340000,
+	.max_tmds_clock = 594000,
 };
 
 static const struct dw_hdmi_plat_data rk3568_hdmi_drv_data = {
-- 
2.45.2