drm/i915: call intel_tile_height with correct parameter

In skylake update plane functions, intel_tile_height() is called with
bits_per_pixel instead of pixel_format. Correcting it.

Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
[danvet: Fixup alignment.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index f215e22..497e795 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -229,8 +229,8 @@
 
 	if (intel_rotation_90_or_270(rotation)) {
 		/* stride: Surface height in tiles */
-		tile_height = intel_tile_height(dev, fb->bits_per_pixel,
-							fb->modifier[0]);
+		tile_height = intel_tile_height(dev, fb->pixel_format,
+						fb->modifier[0]);
 		stride = DIV_ROUND_UP(fb->height, tile_height);
 		plane_size = (src_w << 16) | src_h;
 		x_offset = stride * tile_height - y - (src_h + 1);