drm/i915: Drop dev from pte_encode

The original pte_encode function needed the dev argument so we could do
platform specific handling via IS_GENX, etc. With the merging of a pte
encoding function there should never been a need to quirk away gen
specific details.

The patch doesn't do much but makes the upcoming reworks in gtt/ppgtt/mm
slightly (albeit, ever so) easier.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 40bb23b..438cb0a 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -482,8 +482,7 @@
 				   struct sg_table *st,
 				   unsigned int pg_start,
 				   enum i915_cache_level cache_level);
-	gen6_gtt_pte_t (*pte_encode)(struct drm_device *dev,
-				     dma_addr_t addr,
+	gen6_gtt_pte_t (*pte_encode)(dma_addr_t addr,
 				     enum i915_cache_level level);
 };
 #define gtt_total_entries(gtt) ((gtt).total >> PAGE_SHIFT)
@@ -503,8 +502,7 @@
 			       struct sg_table *st,
 			       unsigned int pg_start,
 			       enum i915_cache_level cache_level);
-	gen6_gtt_pte_t (*pte_encode)(struct drm_device *dev,
-				     dma_addr_t addr,
+	gen6_gtt_pte_t (*pte_encode)(dma_addr_t addr,
 				     enum i915_cache_level level);
 	int (*enable)(struct drm_device *dev);
 	void (*cleanup)(struct i915_hw_ppgtt *ppgtt);