drm/xe: Remove unused xe_bo->props struct

Property struct is not being used so remove it and related dead code.

Fixes: ddfa2d6 ("drm/xe/uapi: Kill VM_MADVISE IOCTL")
Cc: Rodrigo Vivi <[email protected]>
Cc: Thomas Hellström <[email protected]>
Cc: [email protected]
Signed-off-by: Nirmoy Das <[email protected]>
Reviewed-by: Rodrigo Vivi <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Signed-off-by: Lucas De Marchi <[email protected]>
(cherry picked from commit 002d8f0)
Signed-off-by: Lucas De Marchi <[email protected]>

Author: nirmoy

drivers/gpu/drm/xe/xe_bo.c

@@ -144,9 +144,6 @@ static void try_add_system(struct xe_device *xe, struct xe_bo *bo,
 			.mem_type = XE_PL_TT,
 		};
 		*c += 1;
-
-		if (bo->props.preferred_mem_type == XE_BO_PROPS_INVALID)
-			bo->props.preferred_mem_type = XE_PL_TT;
 	}
 }
 
@@ -181,25 +178,15 @@ static void add_vram(struct xe_device *xe, struct xe_bo *bo,
 	}
 	places[*c] = place;
 	*c += 1;
-
-	if (bo->props.preferred_mem_type == XE_BO_PROPS_INVALID)
-		bo->props.preferred_mem_type = mem_type;
 }
 
 static void try_add_vram(struct xe_device *xe, struct xe_bo *bo,
 			 u32 bo_flags, u32 *c)
 {
-	if (bo->props.preferred_gt == XE_GT1) {
-		if (bo_flags & XE_BO_CREATE_VRAM1_BIT)
-			add_vram(xe, bo, bo->placements, bo_flags, XE_PL_VRAM1, c);
-		if (bo_flags & XE_BO_CREATE_VRAM0_BIT)
-			add_vram(xe, bo, bo->placements, bo_flags, XE_PL_VRAM0, c);
-	} else {
-		if (bo_flags & XE_BO_CREATE_VRAM0_BIT)
-			add_vram(xe, bo, bo->placements, bo_flags, XE_PL_VRAM0, c);
-		if (bo_flags & XE_BO_CREATE_VRAM1_BIT)
-			add_vram(xe, bo, bo->placements, bo_flags, XE_PL_VRAM1, c);
-	}
+	if (bo_flags & XE_BO_CREATE_VRAM0_BIT)
+		add_vram(xe, bo, bo->placements, bo_flags, XE_PL_VRAM0, c);
+	if (bo_flags & XE_BO_CREATE_VRAM1_BIT)
+		add_vram(xe, bo, bo->placements, bo_flags, XE_PL_VRAM1, c);
 }
 
 static void try_add_stolen(struct xe_device *xe, struct xe_bo *bo,
@@ -223,17 +210,8 @@ static int __xe_bo_placement_for_flags(struct xe_device *xe, struct xe_bo *bo,
 {
 	u32 c = 0;
 
-	bo->props.preferred_mem_type = XE_BO_PROPS_INVALID;
-
-	/* The order of placements should indicate preferred location */
-
-	if (bo->props.preferred_mem_class == DRM_XE_MEM_REGION_CLASS_SYSMEM) {
-		try_add_system(xe, bo, bo_flags, &c);
-		try_add_vram(xe, bo, bo_flags, &c);
-	} else {
-		try_add_vram(xe, bo, bo_flags, &c);
-		try_add_system(xe, bo, bo_flags, &c);
-	}
+	try_add_vram(xe, bo, bo_flags, &c);
+	try_add_system(xe, bo, bo_flags, &c);
 	try_add_stolen(xe, bo, bo_flags, &c);
 
 	if (!c)
@@ -1126,13 +1104,6 @@ static void xe_gem_object_close(struct drm_gem_object *obj,
 	}
 }
 
-static bool should_migrate_to_system(struct xe_bo *bo)
-{
-	struct xe_device *xe = xe_bo_device(bo);
-
-	return xe_device_in_fault_mode(xe) && bo->props.cpu_atomic;
-}
-
 static vm_fault_t xe_gem_fault(struct vm_fault *vmf)
 {
 	struct ttm_buffer_object *tbo = vmf->vma->vm_private_data;
@@ -1141,7 +1112,7 @@ static vm_fault_t xe_gem_fault(struct vm_fault *vmf)
 	struct xe_bo *bo = ttm_to_xe_bo(tbo);
 	bool needs_rpm = bo->flags & XE_BO_CREATE_VRAM_MASK;
 	vm_fault_t ret;
-	int idx, r = 0;
+	int idx;
 
 	if (needs_rpm)
 		xe_device_mem_access_get(xe);
@@ -1153,17 +1124,8 @@ static vm_fault_t xe_gem_fault(struct vm_fault *vmf)
 	if (drm_dev_enter(ddev, &idx)) {
 		trace_xe_bo_cpu_fault(bo);
 
-		if (should_migrate_to_system(bo)) {
-			r = xe_bo_migrate(bo, XE_PL_TT);
-			if (r == -EBUSY || r == -ERESTARTSYS || r == -EINTR)
-				ret = VM_FAULT_NOPAGE;
-			else if (r)
-				ret = VM_FAULT_SIGBUS;
-		}
-		if (!ret)
-			ret = ttm_bo_vm_fault_reserved(vmf,
-						       vmf->vma->vm_page_prot,
-						       TTM_BO_VM_NUM_PREFAULT);
+		ret = ttm_bo_vm_fault_reserved(vmf, vmf->vma->vm_page_prot,
+					       TTM_BO_VM_NUM_PREFAULT);
 		drm_dev_exit(idx);
 	} else {
 		ret = ttm_bo_vm_dummy_page(vmf, vmf->vma->vm_page_prot);
@@ -1291,9 +1253,6 @@ struct xe_bo *___xe_bo_create_locked(struct xe_device *xe, struct xe_bo *bo,
 	bo->flags = flags;
 	bo->cpu_caching = cpu_caching;
 	bo->ttm.base.funcs = &xe_gem_object_funcs;
-	bo->props.preferred_mem_class = XE_BO_PROPS_INVALID;
-	bo->props.preferred_gt = XE_BO_PROPS_INVALID;
-	bo->props.preferred_mem_type = XE_BO_PROPS_INVALID;
 	bo->ttm.priority = XE_BO_PRIORITY_NORMAL;
 	INIT_LIST_HEAD(&bo->pinned_link);
 #ifdef CONFIG_PROC_FS

drivers/gpu/drm/xe/xe_bo_types.h

@@ -56,25 +56,6 @@ struct xe_bo {
 	 */
 	struct list_head client_link;
 #endif
-	/** @props: BO user controlled properties */
-	struct {
-		/** @preferred_mem: preferred memory class for this BO */
-		s16 preferred_mem_class;
-		/** @prefered_gt: preferred GT for this BO */
-		s16 preferred_gt;
-		/** @preferred_mem_type: preferred memory type */
-		s32 preferred_mem_type;
-		/**
-		 * @cpu_atomic: the CPU expects to do atomics operations to
-		 * this BO
-		 */
-		bool cpu_atomic;
-		/**
-		 * @device_atomic: the device expects to do atomics operations
-		 * to this BO
-		 */
-		bool device_atomic;
-	} props;
 	/** @freed: List node for delayed put. */
 	struct llist_node freed;
 	/** @created: Whether the bo has passed initial creation */