drm/i915: mask the video DIP port select
Should prevent bugs when changing the port.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index af88313..952eaf7 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -125,6 +125,7 @@
/* XXX first guess at handling video port, is this corrent? */
+ val &= ~VIDEO_DIP_PORT_MASK;
if (intel_hdmi->sdvox_reg == SDVOB)
val |= VIDEO_DIP_PORT_B;
else if (intel_hdmi->sdvox_reg == SDVOC)