diff options
Diffstat (limited to 'drivers/gpu/drm/rockchip/analogix_dp-rockchip.c')
| -rw-r--r-- | drivers/gpu/drm/rockchip/analogix_dp-rockchip.c | 40 |
1 files changed, 19 insertions, 21 deletions
diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c index 9606121fa185..93b7102dd008 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"); + DRM_DEV_DEBUG(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) @@ -105,21 +104,20 @@ 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); if (ret) { - dev_err(dp->dev, "line flag interrupt did not arrive\n"); + DRM_DEV_ERROR(dp->dev, "line flag interrupt did not arrive\n"); 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) @@ -140,13 +138,13 @@ static int rockchip_dp_poweron(struct analogix_dp_plat_data *plat_data) ret = clk_prepare_enable(dp->pclk); if (ret < 0) { - dev_err(dp->dev, "failed to enable pclk %d\n", ret); + DRM_DEV_ERROR(dp->dev, "failed to enable pclk %d\n", ret); return ret; } ret = rockchip_dp_pre_init(dp); if (ret < 0) { - dev_err(dp->dev, "failed to dp pre init %d\n", ret); + DRM_DEV_ERROR(dp->dev, "failed to dp pre init %d\n", ret); clk_disable_unprepare(dp->pclk); return ret; } @@ -211,17 +209,17 @@ static void rockchip_dp_drm_encoder_enable(struct drm_encoder *encoder) else val = dp->data->lcdsel_big; - dev_dbg(dp->dev, "vop %s output to dp\n", (ret) ? "LIT" : "BIG"); + DRM_DEV_DEBUG(dp->dev, "vop %s output to dp\n", (ret) ? "LIT" : "BIG"); ret = clk_prepare_enable(dp->grfclk); if (ret < 0) { - dev_err(dp->dev, "failed to enable grfclk %d\n", ret); + DRM_DEV_ERROR(dp->dev, "failed to enable grfclk %d\n", ret); return; } ret = regmap_write(dp->grf, dp->data->lcdsel_grf_reg, val); if (ret != 0) - dev_err(dp->dev, "Could not write to GRF: %d\n", ret); + DRM_DEV_ERROR(dp->dev, "Could not write to GRF: %d\n", ret); clk_disable_unprepare(dp->grfclk); } @@ -277,7 +275,7 @@ static int rockchip_dp_init(struct rockchip_dp_device *dp) dp->grf = syscon_regmap_lookup_by_phandle(np, "rockchip,grf"); if (IS_ERR(dp->grf)) { - dev_err(dev, "failed to get rockchip,grf property\n"); + DRM_DEV_ERROR(dev, "failed to get rockchip,grf property\n"); return PTR_ERR(dp->grf); } @@ -287,31 +285,31 @@ static int rockchip_dp_init(struct rockchip_dp_device *dp) } else if (PTR_ERR(dp->grfclk) == -EPROBE_DEFER) { return -EPROBE_DEFER; } else if (IS_ERR(dp->grfclk)) { - dev_err(dev, "failed to get grf clock\n"); + DRM_DEV_ERROR(dev, "failed to get grf clock\n"); return PTR_ERR(dp->grfclk); } dp->pclk = devm_clk_get(dev, "pclk"); if (IS_ERR(dp->pclk)) { - dev_err(dev, "failed to get pclk property\n"); + DRM_DEV_ERROR(dev, "failed to get pclk property\n"); return PTR_ERR(dp->pclk); } dp->rst = devm_reset_control_get(dev, "dp"); if (IS_ERR(dp->rst)) { - dev_err(dev, "failed to get dp reset control\n"); + DRM_DEV_ERROR(dev, "failed to get dp reset control\n"); return PTR_ERR(dp->rst); } ret = clk_prepare_enable(dp->pclk); if (ret < 0) { - dev_err(dp->dev, "failed to enable pclk %d\n", ret); + DRM_DEV_ERROR(dp->dev, "failed to enable pclk %d\n", ret); return ret; } ret = rockchip_dp_pre_init(dp); if (ret < 0) { - dev_err(dp->dev, "failed to pre init %d\n", ret); + DRM_DEV_ERROR(dp->dev, "failed to pre init %d\n", ret); clk_disable_unprepare(dp->pclk); return ret; } @@ -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); |