[Intel-gfx] [PATCH 47/62] drm/i915/bdw: check DPD on port D when setting the DDI buffers

[Ben Widawsky]

From: Paulo Zanoni <paulo.r.zanoni at intel.com>

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 at intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni at intel.com>
---
 drivers/gpu/drm/i915/intel_ddi.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 3868ed9..a4ddc7f 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -169,9 +169,14 @@ 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;
-- 
1.8.4.2