1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/rs780_dpm.c b/drivers/gpu/drm/radeon/rs780_dpm.c
index 31487ce294cf..eb336bf5a54e 100644
--- a/drivers/gpu/drm/radeon/rs780_dpm.c
+++ b/drivers/gpu/drm/radeon/rs780_dpm.c
@@ -499,6 +499,9 @@ static void rs780_activate_engine_clk_scaling(struct radeon_device *rdev,
             (new_state->sclk_low == old_state->sclk_low))
                 return;
 
+        if (new_state->sclk_high == new_state->sclk_low)
+                return;
+
         rs780_clk_scaling_enable(rdev, true);
 }