198  * @mc: memory controller structure holding memory information
204 void amdgpu_gmc_vram_location(struct amdgpu_device *adev, struct amdgpu_gmc *mc,  in amdgpu_gmc_vram_location()  argument
209 	mc->vram_start = base;  in amdgpu_gmc_vram_location()
210 	mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;  in amdgpu_gmc_vram_location()
211 	if (limit && limit < mc->real_vram_size)  in amdgpu_gmc_vram_location()
212 		mc->real_vram_size = limit;  in amdgpu_gmc_vram_location()
214 	if (mc->xgmi.num_physical_nodes == 0) {  in amdgpu_gmc_vram_location()
215 		mc->fb_start = mc->vram_start;  in amdgpu_gmc_vram_location()
216 		mc->fb_end = mc->vram_end;  in amdgpu_gmc_vram_location()
219 			mc->mc_vram_size >> 20, mc->vram_start,  in amdgpu_gmc_vram_location()
220 			mc->vram_end, mc->real_vram_size >> 20);  in amdgpu_gmc_vram_location()
226  * @mc: memory controller structure holding memory information
239 void amdgpu_gmc_sysvm_location(struct amdgpu_device *adev, struct amdgpu_gmc *mc)  in amdgpu_gmc_sysvm_location()  argument
242 	u64 hive_vram_end = mc->xgmi.node_segment_size * mc->xgmi.num_physical_nodes - 1;  in amdgpu_gmc_sysvm_location()
243 	mc->vram_start = mc->xgmi.node_segment_size * mc->xgmi.physical_node_id;  in amdgpu_gmc_sysvm_location()
244 	mc->vram_end = mc->vram_start + mc->xgmi.node_segment_size - 1;  in amdgpu_gmc_sysvm_location()
245 	mc->gart_start = hive_vram_end + 1;  in amdgpu_gmc_sysvm_location()
246 	mc->gart_end = mc->gart_start + mc->gart_size - 1;  in amdgpu_gmc_sysvm_location()
247 	mc->fb_start = hive_vram_start;  in amdgpu_gmc_sysvm_location()
248 	mc->fb_end = hive_vram_end;  in amdgpu_gmc_sysvm_location()
250 			mc->mc_vram_size >> 20, mc->vram_start,  in amdgpu_gmc_sysvm_location()
251 			mc->vram_end, mc->real_vram_size >> 20);  in amdgpu_gmc_sysvm_location()
253 			mc->gart_size >> 20, mc->gart_start, mc->gart_end);  in amdgpu_gmc_sysvm_location()
260  * @mc: memory controller structure holding memory information
266 void amdgpu_gmc_gart_location(struct amdgpu_device *adev, struct amdgpu_gmc *mc)  in amdgpu_gmc_gart_location()  argument
270 	/*To avoid the hole, limit the max mc address to AMDGPU_GMC_HOLE_START*/  in amdgpu_gmc_gart_location()
276 	size_bf = mc->fb_start;  in amdgpu_gmc_gart_location()
277 	size_af = max_mc_address + 1 - ALIGN(mc->fb_end + 1, four_gb);  in amdgpu_gmc_gart_location()
279 	if (mc->gart_size > max(size_bf, size_af)) {  in amdgpu_gmc_gart_location()
281 		mc->gart_size = max(size_bf, size_af);  in amdgpu_gmc_gart_location()
284 	if ((size_bf >= mc->gart_size && size_bf < size_af) ||  in amdgpu_gmc_gart_location()
285 	    (size_af < mc->gart_size))  in amdgpu_gmc_gart_location()
286 		mc->gart_start = 0;  in amdgpu_gmc_gart_location()
288 		mc->gart_start = max_mc_address - mc->gart_size + 1;  in amdgpu_gmc_gart_location()
290 	mc->gart_start &= ~(four_gb - 1);  in amdgpu_gmc_gart_location()
291 	mc->gart_end = mc->gart_start + mc->gart_size - 1;  in amdgpu_gmc_gart_location()
293 			mc->gart_size >> 20, mc->gart_start, mc->gart_end);  in amdgpu_gmc_gart_location()
299  * @mc: memory controller structure holding memory information
301  * Function will place try to find a place for the AGP BAR in the MC address
307 void amdgpu_gmc_agp_location(struct amdgpu_device *adev, struct amdgpu_gmc *mc)  in amdgpu_gmc_agp_location()  argument
314 		mc->agp_start = 0xffffffffffff;  in amdgpu_gmc_agp_location()
315 		mc->agp_end = 0x0;  in amdgpu_gmc_agp_location()
316 		mc->agp_size = 0;  in amdgpu_gmc_agp_location()
321 	if (mc->fb_start > mc->gart_start) {  in amdgpu_gmc_agp_location()
322 		size_bf = (mc->fb_start & sixteen_gb_mask) -  in amdgpu_gmc_agp_location()
323 			ALIGN(mc->gart_end + 1, sixteen_gb);  in amdgpu_gmc_agp_location()
324 		size_af = mc->mc_mask + 1 - ALIGN(mc->fb_end + 1, sixteen_gb);  in amdgpu_gmc_agp_location()
326 		size_bf = mc->fb_start & sixteen_gb_mask;  in amdgpu_gmc_agp_location()
327 		size_af = (mc->gart_start & sixteen_gb_mask) -  in amdgpu_gmc_agp_location()
328 			ALIGN(mc->fb_end + 1, sixteen_gb);  in amdgpu_gmc_agp_location()
332 		mc->agp_start = (mc->fb_start - size_bf) & sixteen_gb_mask;  in amdgpu_gmc_agp_location()
333 		mc->agp_size = size_bf;  in amdgpu_gmc_agp_location()
335 		mc->agp_start = ALIGN(mc->fb_end + 1, sixteen_gb);  in amdgpu_gmc_agp_location()
336 		mc->agp_size = size_af;  in amdgpu_gmc_agp_location()
339 	mc->agp_end = mc->agp_start + mc->agp_size - 1;  in amdgpu_gmc_agp_location()
341 			mc->agp_size >> 20, mc->agp_start, mc->agp_end);  in amdgpu_gmc_agp_location()
776  * amdgpu_gmc_vram_mc2pa - calculate vram buffer's physical address from MC
780  * @mc_addr: MC address of buffer