mirror of
https://github.com/armbian/build
synced 2025-09-24 19:47:06 +07:00
47 lines
1.4 KiB
Diff
47 lines
1.4 KiB
Diff
From d1c3b45c3605c525b947cbba20c81bb2a07019a3 Mon Sep 17 00:00:00 2001
|
|
From: Neil Armstrong <neil.armstrong@linaro.org>
|
|
Date: Mon, 27 May 2024 10:42:34 +0200
|
|
Subject: [PATCH] phy: qcom: qmp-combo: store DP phy power state
|
|
|
|
Switching the PHY Mode requires the DisplayPort PHY to be powered off,
|
|
keep track of the DisplayPort phy power state.
|
|
|
|
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
|
|
---
|
|
drivers/phy/qualcomm/phy-qcom-qmp-combo.c | 5 +++++
|
|
1 file changed, 5 insertions(+)
|
|
|
|
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
|
|
index 3bae39381fd0..ff15874e91b1 100644
|
|
--- a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
|
|
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
|
|
@@ -1643,6 +1643,7 @@ struct qmp_combo {
|
|
unsigned int dp_aux_cfg;
|
|
struct phy_configure_opts_dp dp_opts;
|
|
unsigned int dp_init_count;
|
|
+ bool dp_powered_on;
|
|
|
|
struct clk_fixed_rate pipe_clk_fixed;
|
|
struct clk_hw dp_link_hw;
|
|
@@ -2817,6 +2818,8 @@ static int qmp_combo_dp_power_on(struct phy *phy)
|
|
/* Configure link rate, swing, etc. */
|
|
cfg->configure_dp_phy(qmp);
|
|
|
|
+ qmp->dp_powered_on = true;
|
|
+
|
|
mutex_unlock(&qmp->phy_mutex);
|
|
|
|
return 0;
|
|
@@ -2831,6 +2834,8 @@ static int qmp_combo_dp_power_off(struct phy *phy)
|
|
/* Assert DP PHY power down */
|
|
writel(DP_PHY_PD_CTL_PSR_PWRDN, qmp->dp_dp_phy + QSERDES_DP_PHY_PD_CTL);
|
|
|
|
+ qmp->dp_powered_on = false;
|
|
+
|
|
mutex_unlock(&qmp->phy_mutex);
|
|
|
|
return 0;
|
|
--
|
|
2.34.1
|
|
|