From: Ville Syrjälä <ville.syrj...@linux.intel.com>

On skl+ the scaler (when enabled) will take care of the plane output
position. Make the code less ugly by just setting crtc_x/y to 0
when the scaler is enabled.

Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_sprite.c | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_sprite.c 
b/drivers/gpu/drm/i915/intel_sprite.c
index b36238282b4e..8a40879abe30 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -396,6 +396,12 @@ skl_program_plane(struct intel_plane *plane,
        if (alpha < 0xff)
                keymsk |= PLANE_KEYMSK_ALPHA_ENABLE;
 
+       /* The scaler will handle the output position */
+       if (plane_state->scaler_id >= 0) {
+               crtc_x = 0;
+               crtc_y = 0;
+       }
+
        spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
 
        if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
@@ -438,14 +444,10 @@ skl_program_plane(struct intel_plane *plane,
                I915_WRITE_FW(PLANE_CUS_CTL(pipe, plane_id), cus_ctl);
        }
 
-       if (plane_state->scaler_id >= 0) {
-               if (!slave)
-                       skl_program_scaler(plane, crtc_state, plane_state);
+       if (!slave && plane_state->scaler_id >= 0)
+               skl_program_scaler(plane, crtc_state, plane_state);
 
-               I915_WRITE_FW(PLANE_POS(pipe, plane_id), 0);
-       } else {
-               I915_WRITE_FW(PLANE_POS(pipe, plane_id), (crtc_y << 16) | 
crtc_x);
-       }
+       I915_WRITE_FW(PLANE_POS(pipe, plane_id), (crtc_y << 16) | crtc_x);
 
        I915_WRITE_FW(PLANE_CTL(pipe, plane_id), plane_ctl);
        I915_WRITE_FW(PLANE_SURF(pipe, plane_id),
-- 
2.18.1

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