drm/i915: don't use plane pipe select on VLV

Planes are fixed to pipes in VLV.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index f73fc3d..6953f88 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1267,7 +1267,7 @@ static void assert_planes_disabled(struct drm_i915_private *dev_priv,
        int cur_pipe;
 
        /* Planes are fixed to pipes on ILK+ */
-       if (HAS_PCH_SPLIT(dev_priv->dev)) {
+       if (HAS_PCH_SPLIT(dev_priv->dev) || IS_VALLEYVIEW(dev_priv->dev)) {
                reg = DSPCNTR(pipe);
                val = I915_READ(reg);
                WARN((val & DISPLAY_PLANE_ENABLE),
@@ -4743,10 +4743,12 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc,
        /* Set up the display plane register */
        dspcntr = DISPPLANE_GAMMA_ENABLE;
 
-       if (pipe == 0)
-               dspcntr &= ~DISPPLANE_SEL_PIPE_MASK;
-       else
-               dspcntr |= DISPPLANE_SEL_PIPE_B;
+       if (!IS_VALLEYVIEW(dev)) {
+               if (pipe == 0)
+                       dspcntr &= ~DISPPLANE_SEL_PIPE_MASK;
+               else
+                       dspcntr |= DISPPLANE_SEL_PIPE_B;
+       }
 
        if (pipe == 0 && INTEL_INFO(dev)->gen < 4) {
                /* Enable pixel doubling when the dot clock is > 90% of the (display)