207  * @mc: memory controller structure holding memory information
213 void amdgpu_gmc_vram_location(struct amdgpu_device *adev, struct amdgpu_gmc *mc,  in amdgpu_gmc_vram_location()  argument
219 	mc->vram_start = base;  in amdgpu_gmc_vram_location()
220 	mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;  in amdgpu_gmc_vram_location()
221 	if (limit < mc->real_vram_size)  in amdgpu_gmc_vram_location()
222 		mc->real_vram_size = limit;  in amdgpu_gmc_vram_location()
224 	if (vis_limit && vis_limit < mc->visible_vram_size)  in amdgpu_gmc_vram_location()
225 		mc->visible_vram_size = vis_limit;  in amdgpu_gmc_vram_location()
227 	if (mc->real_vram_size < mc->visible_vram_size)  in amdgpu_gmc_vram_location()
228 		mc->visible_vram_size = mc->real_vram_size;  in amdgpu_gmc_vram_location()
230 	if (mc->xgmi.num_physical_nodes == 0) {  in amdgpu_gmc_vram_location()
231 		mc->fb_start = mc->vram_start;  in amdgpu_gmc_vram_location()
232 		mc->fb_end = mc->vram_end;  in amdgpu_gmc_vram_location()
235 			mc->mc_vram_size >> 20, mc->vram_start,  in amdgpu_gmc_vram_location()
236 			mc->vram_end, mc->real_vram_size >> 20);  in amdgpu_gmc_vram_location()
242  * @mc: memory controller structure holding memory information
255 void amdgpu_gmc_sysvm_location(struct amdgpu_device *adev, struct amdgpu_gmc *mc)  in amdgpu_gmc_sysvm_location()  argument
258 	u64 hive_vram_end = mc->xgmi.node_segment_size * mc->xgmi.num_physical_nodes - 1;  in amdgpu_gmc_sysvm_location()
259 	mc->vram_start = mc->xgmi.node_segment_size * mc->xgmi.physical_node_id;  in amdgpu_gmc_sysvm_location()
260 	mc->vram_end = mc->vram_start + mc->xgmi.node_segment_size - 1;  in amdgpu_gmc_sysvm_location()
262 	mc->gart_start = ALIGN(hive_vram_end + 1, four_gb);  in amdgpu_gmc_sysvm_location()
263 	mc->gart_end = mc->gart_start + mc->gart_size - 1;  in amdgpu_gmc_sysvm_location()
265 		/* set mc->vram_start to 0 to switch the returned GPU address of  in amdgpu_gmc_sysvm_location()
268 		mc->vram_start = 0;  in amdgpu_gmc_sysvm_location()
269 		mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;  in amdgpu_gmc_sysvm_location()
270 		mc->visible_vram_size = min(mc->visible_vram_size, mc->real_vram_size);  in amdgpu_gmc_sysvm_location()
272 		mc->fb_start = hive_vram_start;  in amdgpu_gmc_sysvm_location()
273 		mc->fb_end = hive_vram_end;  in amdgpu_gmc_sysvm_location()
276 			mc->mc_vram_size >> 20, mc->vram_start,  in amdgpu_gmc_sysvm_location()
277 			mc->vram_end, mc->real_vram_size >> 20);  in amdgpu_gmc_sysvm_location()
279 			mc->gart_size >> 20, mc->gart_start, mc->gart_end);  in amdgpu_gmc_sysvm_location()
286  * @mc: memory controller structure holding memory information
293 void amdgpu_gmc_gart_location(struct amdgpu_device *adev, struct amdgpu_gmc *mc,  in amdgpu_gmc_gart_location()  argument
297 	/*To avoid the hole, limit the max mc address to AMDGPU_GMC_HOLE_START*/  in amdgpu_gmc_gart_location()
303 	size_bf = mc->fb_start;  in amdgpu_gmc_gart_location()
304 	size_af = max_mc_address + 1 - ALIGN(mc->fb_end + 1, four_gb);  in amdgpu_gmc_gart_location()
306 	if (mc->gart_size > max(size_bf, size_af)) {  in amdgpu_gmc_gart_location()
308 		mc->gart_size = max(size_bf, size_af);  in amdgpu_gmc_gart_location()
313 		mc->gart_start = max_mc_address - mc->gart_size + 1;  in amdgpu_gmc_gart_location()
316 		mc->gart_start = 0;  in amdgpu_gmc_gart_location()
320 		if ((size_bf >= mc->gart_size && size_bf < size_af) ||  in amdgpu_gmc_gart_location()
321 		    (size_af < mc->gart_size))  in amdgpu_gmc_gart_location()
322 			mc->gart_start = 0;  in amdgpu_gmc_gart_location()
324 			mc->gart_start = max_mc_address - mc->gart_size + 1;  in amdgpu_gmc_gart_location()
328 	mc->gart_start &= ~(four_gb - 1);  in amdgpu_gmc_gart_location()
329 	mc->gart_end = mc->gart_start + mc->gart_size - 1;  in amdgpu_gmc_gart_location()
331 			mc->gart_size >> 20, mc->gart_start, mc->gart_end);  in amdgpu_gmc_gart_location()
337  * @mc: memory controller structure holding memory information
339  * Function will place try to find a place for the AGP BAR in the MC address
345 void amdgpu_gmc_agp_location(struct amdgpu_device *adev, struct amdgpu_gmc *mc)  in amdgpu_gmc_agp_location()  argument
351 	if (mc->fb_start > mc->gart_start) {  in amdgpu_gmc_agp_location()
352 		size_bf = (mc->fb_start & sixteen_gb_mask) -  in amdgpu_gmc_agp_location()
353 			ALIGN(mc->gart_end + 1, sixteen_gb);  in amdgpu_gmc_agp_location()
354 		size_af = mc->mc_mask + 1 - ALIGN(mc->fb_end + 1, sixteen_gb);  in amdgpu_gmc_agp_location()
356 		size_bf = mc->fb_start & sixteen_gb_mask;  in amdgpu_gmc_agp_location()
357 		size_af = (mc->gart_start & sixteen_gb_mask) -  in amdgpu_gmc_agp_location()
358 			ALIGN(mc->fb_end + 1, sixteen_gb);  in amdgpu_gmc_agp_location()
362 		mc->agp_start = (mc->fb_start - size_bf) & sixteen_gb_mask;  in amdgpu_gmc_agp_location()
363 		mc->agp_size = size_bf;  in amdgpu_gmc_agp_location()
365 		mc->agp_start = ALIGN(mc->fb_end + 1, sixteen_gb);  in amdgpu_gmc_agp_location()
366 		mc->agp_size = size_af;  in amdgpu_gmc_agp_location()
369 	mc->agp_end = mc->agp_start + mc->agp_size - 1;  in amdgpu_gmc_agp_location()
371 			mc->agp_size >> 20, mc->agp_start, mc->agp_end);  in amdgpu_gmc_agp_location()
377  * @mc: memory controller structure holding memory information
386 				struct amdgpu_gmc *mc)  in amdgpu_gmc_set_agp_default()  argument
388 	mc->agp_start = 0xffffffffffff;  in amdgpu_gmc_set_agp_default()
389 	mc->agp_end = 0;  in amdgpu_gmc_set_agp_default()
390 	mc->agp_size = 0;  in amdgpu_gmc_set_agp_default()
1099  * amdgpu_gmc_vram_mc2pa - calculate vram buffer's physical address from MC
1103  * @mc_addr: MC address of buffer