drm/i915: Support planar formats in tile height calculations

This will be needed for NV12 support.

v2: Rebase.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index ab3c296..858c382 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1089,7 +1089,7 @@
 
 unsigned int
 intel_tile_height(struct drm_device *dev, uint32_t pixel_format,
-		  uint64_t fb_format_modifier);
+		  uint64_t fb_format_modifier, unsigned int plane);
 
 static inline bool
 intel_rotation_90_or_270(unsigned int rotation)