drm/i915: Remove the "INDEX" suffix from PPAT marcos

Remove the "INDEX" suffix from PPAT marcos as they are bits actually, not
indexes.
Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Zhi Wang <zhi.a.wang@intel.com>
Cc: Ben Widawsky <benjamin.widawsky@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1505392783-4084-2-git-send-email-zhi.a.wang@intel.com

drivers/gpu/drm/i915/gvt/gtt.c

@@ -1971,7 +1971,7 @@ static int alloc_scratch_pages(struct intel_vgpu *vgpu,
 		 */
 		se.val64 |= _PAGE_PRESENT | _PAGE_RW;
 		if (type == GTT_TYPE_PPGTT_PDE_PT)
-			se.val64 |= PPAT_CACHED_INDEX;
+			se.val64 |= PPAT_CACHED;
 
 		for (i = 0; i < page_entry_num; i++)
 			ops->set_entry(scratch_pt, &se, i, false, 0, vgpu);

drivers/gpu/drm/i915/i915_gem_gtt.c

@@ -230,13 +230,13 @@ static gen8_pte_t gen8_pte_encode(dma_addr_t addr,
 
 	switch (level) {
 	case I915_CACHE_NONE:
-		pte |= PPAT_UNCACHED_INDEX;
+		pte |= PPAT_UNCACHED;
 		break;
 	case I915_CACHE_WT:
-		pte |= PPAT_DISPLAY_ELLC_INDEX;
+		pte |= PPAT_DISPLAY_ELLC;
 		break;
 	default:
-		pte |= PPAT_CACHED_INDEX;
+		pte |= PPAT_CACHED;
 		break;
 	}
 
@@ -249,9 +249,9 @@ static gen8_pde_t gen8_pde_encode(const dma_addr_t addr,
 	gen8_pde_t pde = _PAGE_PRESENT | _PAGE_RW;
 	pde |= addr;
 	if (level != I915_CACHE_NONE)
-		pde |= PPAT_CACHED_PDE_INDEX;
+		pde |= PPAT_CACHED_PDE;
 	else
-		pde |= PPAT_UNCACHED_INDEX;
+		pde |= PPAT_UNCACHED;
 	return pde;
 }
 

drivers/gpu/drm/i915/i915_gem_gtt.h

@@ -126,10 +126,10 @@ typedef u64 gen8_ppgtt_pml4e_t;
  * tables */
 #define GEN8_PDPE_MASK			0x1ff
 
-#define PPAT_UNCACHED_INDEX		(_PAGE_PWT | _PAGE_PCD)
-#define PPAT_CACHED_PDE_INDEX		0 /* WB LLC */
-#define PPAT_CACHED_INDEX		_PAGE_PAT /* WB LLCeLLC */
-#define PPAT_DISPLAY_ELLC_INDEX		_PAGE_PCD /* WT eLLC */
+#define PPAT_UNCACHED			(_PAGE_PWT | _PAGE_PCD)
+#define PPAT_CACHED_PDE			0 /* WB LLC */
+#define PPAT_CACHED			_PAGE_PAT /* WB LLCeLLC */
+#define PPAT_DISPLAY_ELLC		_PAGE_PCD /* WT eLLC */
 
 #define CHV_PPAT_SNOOP			(1<<6)
 #define GEN8_PPAT_AGE(x)		((x)<<4)