diff options
| -rw-r--r-- | drivers/gpu/drm/rockchip/analogix_dp-rockchip.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c index 9606121fa185..d8f72d87ef08 100644 --- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c +++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c @@ -72,7 +72,7 @@ struct rockchip_dp_device { struct reset_control *rst; struct work_struct psr_work; - spinlock_t psr_lock; + struct mutex psr_lock; unsigned int psr_state; const struct rockchip_dp_chip_data *data; @@ -83,21 +83,20 @@ struct rockchip_dp_device { static void analogix_dp_psr_set(struct drm_encoder *encoder, bool enabled) { struct rockchip_dp_device *dp = to_dp(encoder); - unsigned long flags; if (!analogix_dp_psr_supported(dp->dev)) return; dev_dbg(dp->dev, "%s PSR...\n", enabled ? "Entry" : "Exit"); - spin_lock_irqsave(&dp->psr_lock, flags); + mutex_lock(&dp->psr_lock); if (enabled) dp->psr_state = EDP_VSC_PSR_STATE_ACTIVE; else dp->psr_state = ~EDP_VSC_PSR_STATE_ACTIVE; schedule_work(&dp->psr_work); - spin_unlock_irqrestore(&dp->psr_lock, flags); + mutex_unlock(&dp->psr_lock); } static void analogix_dp_psr_work(struct work_struct *work) @@ -105,7 +104,6 @@ static void analogix_dp_psr_work(struct work_struct *work) struct rockchip_dp_device *dp = container_of(work, typeof(*dp), psr_work); int ret; - unsigned long flags; ret = rockchip_drm_wait_vact_end(dp->encoder.crtc, PSR_WAIT_LINE_FLAG_TIMEOUT_MS); @@ -114,12 +112,12 @@ static void analogix_dp_psr_work(struct work_struct *work) return; } - spin_lock_irqsave(&dp->psr_lock, flags); + mutex_lock(&dp->psr_lock); if (dp->psr_state == EDP_VSC_PSR_STATE_ACTIVE) analogix_dp_enable_psr(dp->dev); else analogix_dp_disable_psr(dp->dev); - spin_unlock_irqrestore(&dp->psr_lock, flags); + mutex_unlock(&dp->psr_lock); } static int rockchip_dp_pre_init(struct rockchip_dp_device *dp) @@ -381,7 +379,7 @@ static int rockchip_dp_bind(struct device *dev, struct device *master, dp->plat_data.power_off = rockchip_dp_powerdown; dp->plat_data.get_modes = rockchip_dp_get_modes; - spin_lock_init(&dp->psr_lock); + mutex_init(&dp->psr_lock); dp->psr_state = ~EDP_VSC_PSR_STATE_ACTIVE; INIT_WORK(&dp->psr_work, analogix_dp_psr_work); |