[PATCH 4.9 24/58] drm/bridge: tc358767: add defines for DP1_SRCCTRL & PHY_2LANE
From: Greg Kroah-Hartman
Date: Mon Feb 18 2019 - 08:59:31 EST
4.9-stable review patch. If anyone has any objections, please let me know.
------------------
[ Upstream commit adf4109896bbee27fd2ac3b48d22d6a0062fe517 ]
DP1_SRCCTRL register and PHY_2LANE field did not have matching defines.
Add these.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
Reviewed-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
Signed-off-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20190103115954.12785-3-tomi.valkeinen@xxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/gpu/drm/bridge/tc358767.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c
index f64f35cdc2ff..e67b163a8ce8 100644
--- a/drivers/gpu/drm/bridge/tc358767.c
+++ b/drivers/gpu/drm/bridge/tc358767.c
@@ -140,6 +140,8 @@
#define DP0_LTLOOPCTRL 0x06d8
#define DP0_SNKLTCTRL 0x06e4
+#define DP1_SRCCTRL 0x07a0
+
/* PHY */
#define DP_PHY_CTRL 0x0800
#define DP_PHY_RST BIT(28) /* DP PHY Global Soft Reset */
@@ -148,6 +150,7 @@
#define PHY_M1_RST BIT(12) /* Reset PHY1 Main Channel */
#define PHY_RDY BIT(16) /* PHY Main Channels Ready */
#define PHY_M0_RST BIT(8) /* Reset PHY0 Main Channel */
+#define PHY_2LANE BIT(2) /* PHY Enable 2 lanes */
#define PHY_A0_EN BIT(1) /* PHY Aux Channel0 Enable */
#define PHY_M0_EN BIT(0) /* PHY Main Channel0 Enable */
@@ -562,7 +565,7 @@ static int tc_aux_link_setup(struct tc_data *tc)
value |= SYSCLK_SEL_LSCLK | LSCLK_DIV_2;
tc_write(SYS_PLLPARAM, value);
- tc_write(DP_PHY_CTRL, BGREN | PWR_SW_EN | BIT(2) | PHY_A0_EN);
+ tc_write(DP_PHY_CTRL, BGREN | PWR_SW_EN | PHY_2LANE | PHY_A0_EN);
/*
* Initially PLLs are in bypass. Force PLL parameter update,
@@ -832,7 +835,7 @@ static int tc_main_link_setup(struct tc_data *tc)
DP0_SRCCTRL_LANESKEW | DP0_SRCCTRL_LANES_2 |
DP0_SRCCTRL_BW27 | DP0_SRCCTRL_AUTOCORRECT);
/* from excel file - DP1_SrcCtrl */
- tc_write(0x07a0, 0x00003083);
+ tc_write(DP1_SRCCTRL, 0x00003083);
rate = clk_get_rate(tc->refclk);
switch (rate) {
@@ -853,8 +856,9 @@ static int tc_main_link_setup(struct tc_data *tc)
}
value |= SYSCLK_SEL_LSCLK | LSCLK_DIV_2;
tc_write(SYS_PLLPARAM, value);
+
/* Setup Main Link */
- dp_phy_ctrl = BGREN | PWR_SW_EN | BIT(2) | PHY_A0_EN | PHY_M0_EN;
+ dp_phy_ctrl = BGREN | PWR_SW_EN | PHY_2LANE | PHY_A0_EN | PHY_M0_EN;
tc_write(DP_PHY_CTRL, dp_phy_ctrl);
msleep(100);
--
2.19.1