diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c | 37 |
1 files changed, 19 insertions, 18 deletions
diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c index 8dc91c2d916a..b04805ccb5b7 100644 --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c @@ -625,10 +625,6 @@ static void dw_mipi_dsi_encoder_enable(struct drm_encoder *encoder) if (mux < 0) return; - pm_runtime_get_sync(dsi->dev); - if (dsi->slave) - pm_runtime_get_sync(dsi->slave->dev); - /* * For the RK3399, the clk of grf must be enabled before writing grf * register. And for RK3288 or other soc, this grf_clk must be NULL, @@ -647,20 +643,10 @@ static void dw_mipi_dsi_encoder_enable(struct drm_encoder *encoder) clk_disable_unprepare(dsi->grf_clk); } -static void dw_mipi_dsi_encoder_disable(struct drm_encoder *encoder) -{ - struct dw_mipi_dsi_rockchip *dsi = to_dsi(encoder); - - if (dsi->slave) - pm_runtime_put(dsi->slave->dev); - pm_runtime_put(dsi->dev); -} - static const struct drm_encoder_helper_funcs dw_mipi_dsi_encoder_helper_funcs = { .atomic_check = dw_mipi_dsi_encoder_atomic_check, .enable = dw_mipi_dsi_encoder_enable, - .disable = dw_mipi_dsi_encoder_disable, }; static const struct drm_encoder_funcs dw_mipi_dsi_encoder_funcs = { @@ -795,10 +781,14 @@ static int dw_mipi_dsi_rockchip_bind(struct device *dev, put_device(second); } + pm_runtime_get_sync(dsi->dev); + if (dsi->slave) + pm_runtime_get_sync(dsi->slave->dev); + ret = clk_prepare_enable(dsi->pllref_clk); if (ret) { DRM_DEV_ERROR(dev, "Failed to enable pllref_clk: %d\n", ret); - return ret; + goto out_pm_runtime; } /* @@ -810,7 +800,7 @@ static int dw_mipi_dsi_rockchip_bind(struct device *dev, ret = clk_prepare_enable(dsi->grf_clk); if (ret) { DRM_DEV_ERROR(dsi->dev, "Failed to enable grf_clk: %d\n", ret); - return ret; + goto out_pm_runtime; } dw_mipi_dsi_rockchip_config(dsi); @@ -822,16 +812,23 @@ static int dw_mipi_dsi_rockchip_bind(struct device *dev, ret = rockchip_dsi_drm_create_encoder(dsi, drm_dev); if (ret) { DRM_DEV_ERROR(dev, "Failed to create drm encoder\n"); - return ret; + goto out_pm_runtime; } ret = dw_mipi_dsi_bind(dsi->dmd, &dsi->encoder); if (ret) { DRM_DEV_ERROR(dev, "Failed to bind: %d\n", ret); - return ret; + goto out_pm_runtime; } return 0; + +out_pm_runtime: + pm_runtime_put(dsi->dev); + if (dsi->slave) + pm_runtime_put(dsi->slave->dev); + + return ret; } static void dw_mipi_dsi_rockchip_unbind(struct device *dev, @@ -846,6 +843,10 @@ static void dw_mipi_dsi_rockchip_unbind(struct device *dev, dw_mipi_dsi_unbind(dsi->dmd); clk_disable_unprepare(dsi->pllref_clk); + + pm_runtime_put(dsi->dev); + if (dsi->slave) + pm_runtime_put(dsi->slave->dev); } static const struct component_ops dw_mipi_dsi_rockchip_ops = { |
