drm/i915: do dynamic clock freq control only in kernel modesetting

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index d7c7fa489872511426888ef019ff2ae1b09c1e40..9aa1d2de8a84b5f402fb17f715bec617ae2668ee 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3472,6 +3472,9 @@ void intel_mark_busy(struct drm_device *dev, struct drm_gem_object *obj)
        struct intel_framebuffer *intel_fb;
        struct intel_crtc *intel_crtc;
 
+       if (!drm_core_check_feature(dev, DRIVER_MODESET))
+               return;
+
        dev_priv->busy = true;
        intel_increase_renderclock(dev, true);