drm/xe: Move HW GGTT definitions to dedicated file

It's better to keep all hardware GGTT definitions separated from
the driver code. It also helps to avoid duplicated definitions.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240326131042.319-1-michal.wajdeczko@intel.com

drivers/gpu/drm/xe/regs/xe_gtt_defs.h

+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2024 Intel Corporation
+ */
+
+#ifndef _XE_GTT_DEFS_H_
+#define _XE_GTT_DEFS_H_
+
+#define XELPG_GGTT_PTE_PAT0	BIT_ULL(52)
+#define XELPG_GGTT_PTE_PAT1	BIT_ULL(53)
+
+#define GUC_GGTT_TOP		0xFEE00000
+
+#endif

drivers/gpu/drm/xe/xe_ggtt.c

@@ -12,6 +12,7 @@
 #include <drm/i915_drm.h>
 
 #include "regs/xe_gt_regs.h"
+#include "regs/xe_gtt_defs.h"
 #include "regs/xe_regs.h"
 #include "xe_assert.h"
 #include "xe_bo.h"
@@ -23,12 +24,6 @@
 #include "xe_sriov.h"
 #include "xe_wopcm.h"
 
-#define XELPG_GGTT_PTE_PAT0	BIT_ULL(52)
-#define XELPG_GGTT_PTE_PAT1	BIT_ULL(53)
-
-/* GuC addresses above GUC_GGTT_TOP also don't map through the GTT */
-#define GUC_GGTT_TOP	0xFEE00000
-
 static u64 xelp_ggtt_pte_encode_bo(struct xe_bo *bo, u64 bo_offset,
 				   u16 pat_index)
 {

drivers/gpu/drm/xe/xe_guc.c

@@ -12,6 +12,7 @@
 #include "abi/guc_actions_abi.h"
 #include "abi/guc_errors_abi.h"
 #include "regs/xe_gt_regs.h"
+#include "regs/xe_gtt_defs.h"
 #include "regs/xe_guc_regs.h"
 #include "xe_bo.h"
 #include "xe_device.h"
@@ -33,14 +34,13 @@
 #include "xe_wa.h"
 #include "xe_wopcm.h"
 
-/* GuC addresses above GUC_GGTT_TOP also don't map through the GTT */
-#define GUC_GGTT_TOP    0xFEE00000
 static u32 guc_bo_ggtt_addr(struct xe_guc *guc,
 			    struct xe_bo *bo)
 {
 	struct xe_device *xe = guc_to_xe(guc);
 	u32 addr = xe_bo_ggtt_addr(bo);
 
+	/* GuC addresses above GUC_GGTT_TOP don't map through the GTT */
 	xe_assert(xe, addr >= xe_wopcm_size(guc_to_xe(guc)));
 	xe_assert(xe, addr < GUC_GGTT_TOP);
 	xe_assert(xe, bo->size <= GUC_GGTT_TOP - addr);