diff --git a/drivers/gpu/drm/radeon/ni_dpm.c b/drivers/gpu/drm/radeon/ni_dpm.c
index 6c398a4..06201b6 100644
--- a/drivers/gpu/drm/radeon/ni_dpm.c
+++ b/drivers/gpu/drm/radeon/ni_dpm.c
@@ -3946,6 +3946,11 @@ static void ni_parse_pplib_clock_info(struct radeon_device *rdev,
 	pl->mclk = le16_to_cpu(clock_info->evergreen.usMemoryClockLow);
 	pl->mclk |= clock_info->evergreen.ucMemoryClockHigh << 16;
 
+	if (pl->sclk > 25000)
+		pl->sclk = 25000;
+	if (pl->mclk > 15000)
+		pl->mclk = 15000;
+
 	pl->vddc = le16_to_cpu(clock_info->evergreen.usVDDC);
 	pl->vddci = le16_to_cpu(clock_info->evergreen.usVDDCI);
 	pl->flags = le32_to_cpu(clock_info->evergreen.ulFlags);