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path: root/drivers/gpu/drm/xe/xe_bo.c
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Diffstat (limited to 'drivers/gpu/drm/xe/xe_bo.c')
-rw-r--r--drivers/gpu/drm/xe/xe_bo.c27
1 files changed, 17 insertions, 10 deletions
diff --git a/drivers/gpu/drm/xe/xe_bo.c b/drivers/gpu/drm/xe/xe_bo.c
index 18f27da47a36..bae7ff2e5927 100644
--- a/drivers/gpu/drm/xe/xe_bo.c
+++ b/drivers/gpu/drm/xe/xe_bo.c
@@ -186,6 +186,8 @@ static void try_add_system(struct xe_device *xe, struct xe_bo *bo,
bo->placements[*c] = (struct ttm_place) {
.mem_type = XE_PL_TT,
+ .flags = (bo_flags & XE_BO_FLAG_VRAM_MASK) ?
+ TTM_PL_FLAG_FALLBACK : 0,
};
*c += 1;
}
@@ -812,14 +814,14 @@ static int xe_bo_move(struct ttm_buffer_object *ttm_bo, bool evict,
}
if (ttm_bo->type == ttm_bo_type_sg) {
- ret = xe_bo_move_notify(bo, ctx);
+ if (new_mem->mem_type == XE_PL_SYSTEM)
+ ret = xe_bo_move_notify(bo, ctx);
if (!ret)
ret = xe_bo_move_dmabuf(ttm_bo, new_mem);
return ret;
}
- tt_has_data = ttm && (ttm_tt_is_populated(ttm) ||
- (ttm->page_flags & TTM_TT_FLAG_SWAPPED));
+ tt_has_data = ttm && (ttm_tt_is_populated(ttm) || ttm_tt_is_swapped(ttm));
move_lacks_source = !old_mem || (handle_system_ccs ? (!bo->ccs_cleared) :
(!mem_type_is_vram(old_mem_type) && !tt_has_data));
@@ -2269,6 +2271,7 @@ uint64_t vram_region_gpu_offset(struct ttm_resource *res)
/**
* xe_bo_pin_external - pin an external BO
* @bo: buffer object to be pinned
+ * @in_place: Pin in current placement, don't attempt to migrate.
*
* Pin an external (not tied to a VM, can be exported via dma-buf / prime FD)
* BO. Unique call compared to xe_bo_pin as this function has it own set of
@@ -2276,7 +2279,7 @@ uint64_t vram_region_gpu_offset(struct ttm_resource *res)
*
* Returns 0 for success, negative error code otherwise.
*/
-int xe_bo_pin_external(struct xe_bo *bo)
+int xe_bo_pin_external(struct xe_bo *bo, bool in_place)
{
struct xe_device *xe = xe_bo_device(bo);
int err;
@@ -2285,9 +2288,11 @@ int xe_bo_pin_external(struct xe_bo *bo)
xe_assert(xe, xe_bo_is_user(bo));
if (!xe_bo_is_pinned(bo)) {
- err = xe_bo_validate(bo, NULL, false);
- if (err)
- return err;
+ if (!in_place) {
+ err = xe_bo_validate(bo, NULL, false);
+ if (err)
+ return err;
+ }
spin_lock(&xe->pinned.lock);
list_add_tail(&bo->pinned_link, &xe->pinned.late.external);
@@ -2438,9 +2443,11 @@ int xe_bo_validate(struct xe_bo *bo, struct xe_vm *vm, bool allow_res_evict)
.no_wait_gpu = false,
.gfp_retry_mayfail = true,
};
- struct pin_cookie cookie;
int ret;
+ if (xe_bo_is_pinned(bo))
+ return 0;
+
if (vm) {
lockdep_assert_held(&vm->lock);
xe_vm_assert_held(vm);
@@ -2449,10 +2456,10 @@ int xe_bo_validate(struct xe_bo *bo, struct xe_vm *vm, bool allow_res_evict)
ctx.resv = xe_vm_resv(vm);
}
- cookie = xe_vm_set_validating(vm, allow_res_evict);
+ xe_vm_set_validating(vm, allow_res_evict);
trace_xe_bo_validate(bo);
ret = ttm_bo_validate(&bo->ttm, &bo->placement, &ctx);
- xe_vm_clear_validating(vm, allow_res_evict, cookie);
+ xe_vm_clear_validating(vm, allow_res_evict);
return ret;
}