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

Ben Widawsky
2013-11-03T04:08:25Z

From: Paulo Zanoni <paulo.r.zanoni@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@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@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