drm/xe: Remove unused xe_bo->props struct

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

Fixes: ddfa2d6a846a ("drm/xe/uapi: Kill VM_MADVISE IOCTL")
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: intel-xe@lists.freedesktop.org
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240311151159.10036-1-nirmoy.das@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
(cherry picked from commit 002d8f0b4f76aabbf8e00c538a124b91625d7260)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>

diff --git a/drivers/gpu/drm/xe/xe_bo.c b/drivers/gpu/drm/xe/xe_bo.c
index 6603a0ea79c5af6d55bfdb3e61c7b6784e7b3604..9c0837b6fdfc8de2be8b939ed166623846932722 100644 (file)
--- a/drivers/gpu/drm/xe/xe_bo.c
+++ b/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

diff --git a/drivers/gpu/drm/xe/xe_bo_types.h b/drivers/gpu/drm/xe/xe_bo_types.h
index 14ef13b7b421f327d02d3c114c5a283f7ff169db..86422e113d39625043e16780a831b718f3464584 100644 (file)
--- a/drivers/gpu/drm/xe/xe_bo_types.h
+++ b/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 */