drm/i915: VLV VGA port only handles on & off, like PCH VGA

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
git-mirror · Jun 20, 2012 · bd9e841 · bd9e841
1 parent f7dff0c
commit bd9e841
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
@@ -88,6 +88,9 @@ static void gmch_crt_dpms(struct drm_encoder *encoder, int mode)
 	temp &= ~(ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE);
 	temp &= ~ADPA_DAC_ENABLE;
 
+	if (IS_VALLEYVIEW(dev) && mode != DRM_MODE_DPMS_ON)
+		mode = DRM_MODE_DPMS_OFF;
+
 	switch (mode) {
 	case DRM_MODE_DPMS_ON:
 		temp |= ADPA_DAC_ENABLE;