drm/i915/bdw: check DPD on port D when setting the DDI buffers

Use the eDP values on platforms where port D is eDP. This doesn't
affect Haswell since it uses the same DDI buffer values for eDP and
DP.

Reviewed-by: Art Runyan <arthur.j.runyan@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 87c55c7cb09679c499fd91ddbf0a6491496b191e..1591576a610191e44c2b7a0eceffc6c28f55ef44 100644 (file)
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -170,9 +170,14 @@ static void intel_prepare_ddi_buffers(struct drm_device *dev, enum port port)
                break;
        case PORT_B:
        case PORT_C:
-       case PORT_D:
                ddi_translations = ddi_translations_dp;
                break;
+       case PORT_D:
+               if (intel_dpd_is_edp(dev))
+                       ddi_translations = ddi_translations_edp;
+               else
+                       ddi_translations = ddi_translations_dp;
+               break;
        case PORT_E:
                ddi_translations = ddi_translations_fdi;
                break;