From: zain wang <wzz@xxxxxxxxxxxxxx>
There is no register named ANALOGIX_DP_PLL_CTL in Rockchip edp phy reg
list. We should use BIT_4 in ANALOGIX_DP_PD to control the pll power
instead of ANALOGIX_DP_PLL_CTL.
Cc: Douglas Anderson <dianders@xxxxxxxxxxxx>
Signed-off-by: zain wang <wzz@xxxxxxxxxxxxxx>
Signed-off-by: Sean Paul <seanpaul@xxxxxxxxxxxx>
---
drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c | 20 ++++++++++++--------
1 file changed, 12 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c
index 1cb57e528ec8..2cacd1e84b4d 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c
@@ -230,16 +230,20 @@ enum pll_status analogix_dp_get_pll_lock_status(struct analogix_dp_device *dp)
void analogix_dp_set_pll_power_down(struct analogix_dp_device *dp, bool enable)
{
u32 reg;
+ u32 mask = DP_PLL_PD;
+ u32 pd_addr = ANALOGIX_DP_PLL_CTL;
- if (enable) {
- reg = readl(dp->reg_base + ANALOGIX_DP_PLL_CTL);
- reg |= DP_PLL_PD;
- writel(reg, dp->reg_base + ANALOGIX_DP_PLL_CTL);
- } else {
- reg = readl(dp->reg_base + ANALOGIX_DP_PLL_CTL);
- reg &= ~DP_PLL_PD;
- writel(reg, dp->reg_base + ANALOGIX_DP_PLL_CTL);
+ if (dp->plat_data && is_rockchip(dp->plat_data->dev_type)) {
+ pd_addr = ANALOGIX_DP_PD;
+ mask = RK_PLL_PD;
}
+
+ reg = readl(dp->reg_base + pd_addr);
+ if (enable)
+ reg |= mask;
+ else
+ reg &= ~mask;
+ writel(reg, dp->reg_base + pd_addr);
}
void analogix_dp_set_analog_power_down(struct analogix_dp_device *dp,
--
2.12.0.246.ga2ecc84866-goog
_______________________________________________
dri-devel mailing list
dri-devel@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/dri-devel
