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-rw-r--r--drivers/gpu/drm/rockchip/analogix_dp-rockchip.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
index e83be157cc2a..8548e8271639 100644
--- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
+++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
@@ -85,6 +85,9 @@ 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);