drm/i915: re-initialize DDI buffer translations after resume

This is necessary for the modesetting to work correctly after a
suspend-resume cycle. Without this, the pipes and clocks got the correct
configuration, but the underlying DDI buffers configuration was lost.

Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index b5ee440cd621..4d84fcdd413f 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -7169,6 +7169,8 @@ static void ivb_pch_pwm_override(struct drm_device *dev)
 
 void intel_modeset_init_hw(struct drm_device *dev)
 {
+        intel_prepare_ddi(dev);
+
         intel_init_clock_gating(dev);
 
         mutex_lock(&dev->struct_mutex);
@@ -7198,8 +7200,6 @@ void intel_modeset_init(struct drm_device *dev)
 
         intel_init_pm(dev);
 
-        intel_prepare_ddi(dev);
-
         intel_init_display(dev);
 
         if (IS_GEN2(dev)) {