80 static bool valid_stolen_size(struct drm_i915_private *i915, struct resource *dsm)  in valid_stolen_size()  argument
82 	return (dsm->start != 0 || HAS_LMEMBAR_SMEM_STOLEN(i915)) && dsm->end > dsm->start;  in valid_stolen_size()
86 			 struct resource *dsm)  in adjust_stolen()  argument
91 	if (!valid_stolen_size(i915, dsm))  in adjust_stolen()
102 		struct resource stolen[2] = {*dsm, *dsm};  in adjust_stolen()
122 			*dsm = stolen[0];  in adjust_stolen()
124 			*dsm = stolen[1];  in adjust_stolen()
132 				dsm);  in adjust_stolen()
136 	if (!valid_stolen_size(i915, dsm))  in adjust_stolen()
143 			       struct resource *dsm)  in request_smem_stolen()  argument
163 	r = devm_request_mem_region(i915->drm.dev, dsm->start,  in request_smem_stolen()
164 				    resource_size(dsm),  in request_smem_stolen()
176 		r = devm_request_mem_region(i915->drm.dev, dsm->start + 1,  in request_smem_stolen()
177 					    resource_size(dsm) - 2,  in request_smem_stolen()
186 				dsm);  in request_smem_stolen()
212 	resource_size_t stolen_top = i915->dsm.stolen.end + 1;  in g4x_get_stolen_reserved()
277 	resource_size_t stolen_top = i915->dsm.stolen.end + 1;  in vlv_get_stolen_reserved()
366 	resource_size_t stolen_top = i915->dsm.stolen.end + 1;  in bdw_get_stolen_reserved()
395 		 * the DSM) and, if so, reserve that part of the DSM to  in icl_get_stolen_reserved()
396 		 * prevent accidental reuse.  The DSM location should be just  in icl_get_stolen_reserved()
402 		if (gscpsmi_base >= i915->dsm.stolen.start &&  in icl_get_stolen_reserved()
403 		    gscpsmi_base < i915->dsm.stolen.end) {  in icl_get_stolen_reserved()
405 			*size = i915->dsm.stolen.end - gscpsmi_base;  in icl_get_stolen_reserved()
436  * Initialize i915->dsm.reserved to contain the reserved space within the Data
437  * Stolen Memory. This is a range on the top of DSM that is reserved, not to
452 	stolen_top = i915->dsm.stolen.end + 1;  in init_reserved_stolen()
493 	i915->dsm.reserved = DEFINE_RES_MEM(reserved_base, reserved_size);  in init_reserved_stolen()
495 	if (!resource_contains(&i915->dsm.stolen, &i915->dsm.reserved)) {  in init_reserved_stolen()
498 			&i915->dsm.reserved, &i915->dsm.stolen);  in init_reserved_stolen()
506 	i915->dsm.reserved = DEFINE_RES_MEM(reserved_base, 0);  in init_reserved_stolen()
537 	i915->dsm.stolen = mem->region;  in i915_gem_init_stolen()
543 	mem->region.end = i915->dsm.reserved.start - 1;  in i915_gem_init_stolen()
548 	i915->dsm.usable_size = resource_size(&mem->region);  in i915_gem_init_stolen()
552 		(u64)resource_size(&i915->dsm.stolen) >> 10,  in i915_gem_init_stolen()
553 		(u64)i915->dsm.usable_size >> 10);  in i915_gem_init_stolen()
555 	if (i915->dsm.usable_size == 0)  in i915_gem_init_stolen()
559 	drm_mm_init(&i915->mm.stolen, 0, i915->dsm.usable_size);  in i915_gem_init_stolen()
567 		i915->dsm.usable_size = 0;  in i915_gem_init_stolen()
619 	GEM_BUG_ON(range_overflows(offset, size, resource_size(&i915->dsm.stolen)));  in i915_pages_create_for_stolen()
639 	sg_dma_address(sg) = (dma_addr_t)i915->dsm.stolen.start + offset;  in i915_pages_create_for_stolen()
920 		 * MTL dsm size is in GGC register.  in i915_gem_stolen_lmem_setup()
937 		/* Use DSM base address instead for stolen memory */  in i915_gem_stolen_lmem_setup()
949 		drm_dbg(&i915->drm, "Using direct DSM access\n");  in i915_gem_stolen_lmem_setup()
1011 	return i915->dsm.stolen.start;  in i915_gem_stolen_area_address()
1016 	return resource_size(&i915->dsm.stolen);  in i915_gem_stolen_area_size()
1022 	return i915->dsm.stolen.start + i915_gem_stolen_node_offset(node);  in i915_gem_stolen_node_address()