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-rw-r--r--drivers/gpu/drm/bridge/analogix/analogix_dp_core.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
index bc59e8d997b3..5292b28aec8a 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
@@ -1400,6 +1400,12 @@ int analogix_dp_suspend(struct device *dev)
struct analogix_dp_device *dp = dev_get_drvdata(dev);
clk_disable_unprepare(dp->clock);
+
+ if (dp->plat_data->panel) {
+ if (drm_panel_unprepare(dp->plat_data->panel))
+ DRM_ERROR("failed to turnoff the panel\n");
+ }
+
return 0;
}
EXPORT_SYMBOL_GPL(analogix_dp_suspend);
@@ -1415,6 +1421,13 @@ int analogix_dp_resume(struct device *dev)
return ret;
}
+ if (dp->plat_data->panel) {
+ if (drm_panel_prepare(dp->plat_data->panel)) {
+ DRM_ERROR("failed to setup the panel\n");
+ return -EBUSY;
+ }
+ }
+
return 0;
}
EXPORT_SYMBOL_GPL(analogix_dp_resume);