1 files changed, 9 insertions, 3 deletions

diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c
index 33656647f8bc..7ceb8c67344a 100644
--- a/drivers/gpu/drm/i915/intel_dsi.c
+++ b/drivers/gpu/drm/i915/intel_dsi.c
@@ -110,6 +110,15 @@ static void intel_dsi_device_ready(struct intel_encoder *encoder)
 
         DRM_DEBUG_KMS("\n");
 
+        mutex_lock(&dev_priv->dpio_lock);
+        /* program rcomp for compliance, reduce from 50 ohms to 45 ohms
+         * needed everytime after power gate */
+        vlv_flisdsi_write(dev_priv, 0x04, 0x0004);
+        mutex_unlock(&dev_priv->dpio_lock);
+
+        /* bandgap reset is needed after everytime we do power gate */
+        band_gap_reset(dev_priv);
+
         val = I915_READ(MIPI_PORT_CTRL(pipe));
         I915_WRITE(MIPI_PORT_CTRL(pipe), val | LP_OUTPUT_HOLD);
         usleep_range(1000, 1500);
@@ -379,9 +388,6 @@ static void intel_dsi_mode_set(struct intel_encoder *intel_encoder)
 
         DRM_DEBUG_KMS("pipe %c\n", pipe_name(pipe));
 
-        /* XXX: Location of the call */
-        band_gap_reset(dev_priv);
-
         /* escape clock divider, 20MHz, shared for A and C. device ready must be
          * off when doing this! txclkesc? */
         tmp = I915_READ(MIPI_CTRL(0));