[PATCH v3 6/9] fixup! FIXME: drm/i915/display: Remaining changes to make xe compile

["Jouni Högander" <jouni.hogander@intel.com>]

We have now everything to build intel_display.c as it is without any
ifdefs. Thus revert local changes from intel_display.c.

Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
---
 drivers/gpu/drm/i915/display/intel_display.c | 35 --------------------
 1 file changed, 35 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 5069b31bf1b7..c3a3a4c3b363 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -42,10 +42,8 @@
 #include <drm/drm_probe_helper.h>
 #include <drm/drm_rect.h>
 
-#ifdef I915
 #include "gem/i915_gem_lmem.h"
 #include "gem/i915_gem_object.h"
-#endif
 
 #include "g4x_dp.h"
 #include "g4x_hdmi.h"
@@ -7095,39 +7093,6 @@ static void intel_atomic_cleanup_work(struct work_struct *work)
 	intel_atomic_helper_free_state(i915);
 }
 
-#ifndef I915
-static int i915_gem_object_read_from_page(struct xe_bo *bo,
-					  u32 ofs, u64 *ptr, u32 size)
-{
-	struct ttm_bo_kmap_obj map;
-	void *virtual;
-	bool is_iomem;
-	int ret;
-
-	XE_WARN_ON(size != 8);
-
-	ret = xe_bo_lock(bo, true);
-	if (ret)
-		return ret;
-
-	ret = ttm_bo_kmap(&bo->ttm, ofs >> PAGE_SHIFT, 1, &map);
-	if (ret)
-		goto out_unlock;
-
-	ofs &= ~PAGE_MASK;
-	virtual = ttm_kmap_obj_virtual(&map, &is_iomem);
-	if (is_iomem)
-		*ptr = readq((void __iomem *)(virtual + ofs));
-	else
-		*ptr = *(u64 *)(virtual + ofs);
-
-	ttm_bo_kunmap(&map);
-out_unlock:
-	xe_bo_unlock(bo);
-	return ret;
-}
-#endif
-
 static void intel_atomic_prepare_plane_clear_colors(struct intel_atomic_state *state)
 {
 	struct drm_i915_private *i915 = to_i915(state->base.dev);
-- 
2.34.1