openwrt/target/linux/rockchip/patches-6.6/030-04-v6.9-clk-rockchip-rk3588-fix-pclk_vo0grf-and-pclk_vo1grf.patch

From 326be62eaf2e89767b7b9223f88eaf3c041b98d2 Mon Sep 17 00:00:00 2001
From: Sebastian Reichel <sebastian.reichel@collabora.com>
Date: Fri, 26 Jan 2024 19:18:25 +0100
Subject: [PATCH] clk: rockchip: rk3588: fix pclk_vo0grf and pclk_vo1grf

Currently pclk_vo1grf is not exposed, but it should be referenced
from the vo1_grf syscon, which needs it enabled. That syscon is
required for HDMI RX and TX functionality among other things.

Apart from that pclk_vo0grf and pclk_vo1grf are both linked gates
and need the VO's hclk enabled in addition to their parent clock.

No Fixes tag has been added, since the logic requiring these clocks
is not yet upstream anyways.

Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20240126182919.48402-5-sebastian.reichel@collabora.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---
 drivers/clk/rockchip/clk-rk3588.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

--- a/drivers/clk/rockchip/clk-rk3588.c
+++ b/drivers/clk/rockchip/clk-rk3588.c
@@ -1851,8 +1851,6 @@ static struct rockchip_clk_branch rk3588
 			RK3588_CLKGATE_CON(56), 0, GFLAGS),
 	GATE(PCLK_TRNG0, "pclk_trng0", "pclk_vo0_root", 0,
 			RK3588_CLKGATE_CON(56), 1, GFLAGS),
-	GATE(PCLK_VO0GRF, "pclk_vo0grf", "pclk_vo0_root", CLK_IGNORE_UNUSED,
-			RK3588_CLKGATE_CON(55), 10, GFLAGS),
 	COMPOSITE(CLK_I2S4_8CH_TX_SRC, "clk_i2s4_8ch_tx_src", gpll_aupll_p, 0,
 			RK3588_CLKSEL_CON(118), 5, 1, MFLAGS, 0, 5, DFLAGS,
 			RK3588_CLKGATE_CON(56), 11, GFLAGS),
@@ -1998,8 +1996,6 @@ static struct rockchip_clk_branch rk3588
 			RK3588_CLKGATE_CON(60), 9, GFLAGS),
 	GATE(PCLK_TRNG1, "pclk_trng1", "pclk_vo1_root", 0,
 			RK3588_CLKGATE_CON(60), 10, GFLAGS),
-	GATE(0, "pclk_vo1grf", "pclk_vo1_root", CLK_IGNORE_UNUSED,
-			RK3588_CLKGATE_CON(59), 12, GFLAGS),
 	GATE(PCLK_S_EDP0, "pclk_s_edp0", "pclk_vo1_s_root", 0,
 			RK3588_CLKGATE_CON(59), 14, GFLAGS),
 	GATE(PCLK_S_EDP1, "pclk_s_edp1", "pclk_vo1_s_root", 0,
@@ -2447,12 +2443,14 @@ static struct rockchip_clk_branch rk3588
 	GATE_LINK(HCLK_RKVDEC1_PRE, "hclk_rkvdec1_pre", "hclk_rkvdec1_root", "hclk_vdpu_root", 0, RK3588_CLKGATE_CON(41), 4, GFLAGS),
 	GATE_LINK(ACLK_RKVDEC1_PRE, "aclk_rkvdec1_pre", "aclk_rkvdec1_root", "aclk_vdpu_root", 0, RK3588_CLKGATE_CON(41), 5, GFLAGS),
 	GATE_LINK(ACLK_HDCP0_PRE, "aclk_hdcp0_pre", "aclk_vo0_root", "aclk_vop_low_root", 0, RK3588_CLKGATE_CON(55), 9, GFLAGS),
-	GATE_LINK(HCLK_VO0, "hclk_vo0", "hclk_vo0_root", "hclk_vop_root", 0, RK3588_CLKGATE_CON(55), 5, GFLAGS),
+	GATE_LINK(HCLK_VO0, "hclk_vo0", "hclk_vo0_root", "hclk_vop_root", RK3588_LINKED_CLK, RK3588_CLKGATE_CON(55), 5, GFLAGS),
 	GATE_LINK(ACLK_HDCP1_PRE, "aclk_hdcp1_pre", "aclk_hdcp1_root", "aclk_vo1usb_top_root", 0, RK3588_CLKGATE_CON(59), 6, GFLAGS),
-	GATE_LINK(HCLK_VO1, "hclk_vo1", "hclk_vo1_root", "hclk_vo1usb_top_root", 0, RK3588_CLKGATE_CON(59), 9, GFLAGS),
+	GATE_LINK(HCLK_VO1, "hclk_vo1", "hclk_vo1_root", "hclk_vo1usb_top_root", RK3588_LINKED_CLK, RK3588_CLKGATE_CON(59), 9, GFLAGS),
 	GATE_LINK(ACLK_AV1_PRE, "aclk_av1_pre", "aclk_av1_root", "aclk_vdpu_root", 0, RK3588_CLKGATE_CON(68), 1, GFLAGS),
 	GATE_LINK(PCLK_AV1_PRE, "pclk_av1_pre", "pclk_av1_root", "hclk_vdpu_root", 0, RK3588_CLKGATE_CON(68), 4, GFLAGS),
 	GATE_LINK(HCLK_SDIO_PRE, "hclk_sdio_pre", "hclk_sdio_root", "hclk_nvm", 0, RK3588_CLKGATE_CON(75), 1, GFLAGS),
+	GATE_LINK(PCLK_VO0GRF, "pclk_vo0grf", "pclk_vo0_root", "hclk_vo0", CLK_IGNORE_UNUSED, RK3588_CLKGATE_CON(55), 10, GFLAGS),
+	GATE_LINK(PCLK_VO1GRF, "pclk_vo1grf", "pclk_vo1_root", "hclk_vo1", CLK_IGNORE_UNUSED, RK3588_CLKGATE_CON(59), 12, GFLAGS),
 };
 
 static void __init rk3588_clk_init(struct device_node *np)