200  * @mc: memory controller structure holding memory information
206 void amdgpu_gmc_vram_location(struct amdgpu_device *adev, struct amdgpu_gmc *mc,  in amdgpu_gmc_vram_location()  argument
212 	mc->vram_start = base;  in amdgpu_gmc_vram_location()
213 	mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;  in amdgpu_gmc_vram_location()
214 	if (limit < mc->real_vram_size)  in amdgpu_gmc_vram_location()
215 		mc->real_vram_size = limit;  in amdgpu_gmc_vram_location()
217 	if (vis_limit && vis_limit < mc->visible_vram_size)  in amdgpu_gmc_vram_location()
218 		mc->visible_vram_size = vis_limit;  in amdgpu_gmc_vram_location()
220 	if (mc->real_vram_size < mc->visible_vram_size)  in amdgpu_gmc_vram_location()
221 		mc->visible_vram_size = mc->real_vram_size;  in amdgpu_gmc_vram_location()
223 	if (mc->xgmi.num_physical_nodes == 0) {  in amdgpu_gmc_vram_location()
224 		mc->fb_start = mc->vram_start;  in amdgpu_gmc_vram_location()
225 		mc->fb_end = mc->vram_end;  in amdgpu_gmc_vram_location()
228 			mc->mc_vram_size >> 20, mc->vram_start,  in amdgpu_gmc_vram_location()
229 			mc->vram_end, mc->real_vram_size >> 20);  in amdgpu_gmc_vram_location()
235  * @mc: memory controller structure holding memory information
248 void amdgpu_gmc_sysvm_location(struct amdgpu_device *adev, struct amdgpu_gmc *mc)  in amdgpu_gmc_sysvm_location()  argument
251 	u64 hive_vram_end = mc->xgmi.node_segment_size * mc->xgmi.num_physical_nodes - 1;  in amdgpu_gmc_sysvm_location()
252 	mc->vram_start = mc->xgmi.node_segment_size * mc->xgmi.physical_node_id;  in amdgpu_gmc_sysvm_location()
253 	mc->vram_end = mc->vram_start + mc->xgmi.node_segment_size - 1;  in amdgpu_gmc_sysvm_location()
254 	mc->gart_start = hive_vram_end + 1;  in amdgpu_gmc_sysvm_location()
255 	mc->gart_end = mc->gart_start + mc->gart_size - 1;  in amdgpu_gmc_sysvm_location()
256 	mc->fb_start = hive_vram_start;  in amdgpu_gmc_sysvm_location()
257 	mc->fb_end = hive_vram_end;  in amdgpu_gmc_sysvm_location()
259 			mc->mc_vram_size >> 20, mc->vram_start,  in amdgpu_gmc_sysvm_location()
260 			mc->vram_end, mc->real_vram_size >> 20);  in amdgpu_gmc_sysvm_location()
262 			mc->gart_size >> 20, mc->gart_start, mc->gart_end);  in amdgpu_gmc_sysvm_location()
269  * @mc: memory controller structure holding memory information
276 void amdgpu_gmc_gart_location(struct amdgpu_device *adev, struct amdgpu_gmc *mc,  in amdgpu_gmc_gart_location()  argument
281 	/*To avoid the hole, limit the max mc address to AMDGPU_GMC_HOLE_START*/  in amdgpu_gmc_gart_location()
287 	size_bf = mc->fb_start;  in amdgpu_gmc_gart_location()
288 	size_af = max_mc_address + 1 - ALIGN(mc->fb_end + 1, four_gb);  in amdgpu_gmc_gart_location()
290 	if (mc->gart_size > max(size_bf, size_af)) {  in amdgpu_gmc_gart_location()
292 		mc->gart_size = max(size_bf, size_af);  in amdgpu_gmc_gart_location()
297 		mc->gart_start = max_mc_address - mc->gart_size + 1;  in amdgpu_gmc_gart_location()
300 		mc->gart_start = 0;  in amdgpu_gmc_gart_location()
304 		if ((size_bf >= mc->gart_size && size_bf < size_af) ||  in amdgpu_gmc_gart_location()
305 		    (size_af < mc->gart_size))  in amdgpu_gmc_gart_location()
306 			mc->gart_start = 0;  in amdgpu_gmc_gart_location()
308 			mc->gart_start = max_mc_address - mc->gart_size + 1;  in amdgpu_gmc_gart_location()
312 	mc->gart_start &= ~(four_gb - 1);  in amdgpu_gmc_gart_location()
313 	mc->gart_end = mc->gart_start + mc->gart_size - 1;  in amdgpu_gmc_gart_location()
315 			mc->gart_size >> 20, mc->gart_start, mc->gart_end);  in amdgpu_gmc_gart_location()
321  * @mc: memory controller structure holding memory information
323  * Function will place try to find a place for the AGP BAR in the MC address
329 void amdgpu_gmc_agp_location(struct amdgpu_device *adev, struct amdgpu_gmc *mc)  in amdgpu_gmc_agp_location()  argument
335 	if (mc->fb_start > mc->gart_start) {  in amdgpu_gmc_agp_location()
336 		size_bf = (mc->fb_start & sixteen_gb_mask) -  in amdgpu_gmc_agp_location()
337 			ALIGN(mc->gart_end + 1, sixteen_gb);  in amdgpu_gmc_agp_location()
338 		size_af = mc->mc_mask + 1 - ALIGN(mc->fb_end + 1, sixteen_gb);  in amdgpu_gmc_agp_location()
340 		size_bf = mc->fb_start & sixteen_gb_mask;  in amdgpu_gmc_agp_location()
341 		size_af = (mc->gart_start & sixteen_gb_mask) -  in amdgpu_gmc_agp_location()
342 			ALIGN(mc->fb_end + 1, sixteen_gb);  in amdgpu_gmc_agp_location()
346 		mc->agp_start = (mc->fb_start - size_bf) & sixteen_gb_mask;  in amdgpu_gmc_agp_location()
347 		mc->agp_size = size_bf;  in amdgpu_gmc_agp_location()
349 		mc->agp_start = ALIGN(mc->fb_end + 1, sixteen_gb);  in amdgpu_gmc_agp_location()
350 		mc->agp_size = size_af;  in amdgpu_gmc_agp_location()
353 	mc->agp_end = mc->agp_start + mc->agp_size - 1;  in amdgpu_gmc_agp_location()
355 			mc->agp_size >> 20, mc->agp_start, mc->agp_end);  in amdgpu_gmc_agp_location()
361  * @mc: memory controller structure holding memory information
370 				struct amdgpu_gmc *mc)  in amdgpu_gmc_set_agp_default()  argument
372 	mc->agp_start = 0xffffffffffff;  in amdgpu_gmc_set_agp_default()
373 	mc->agp_end = 0;  in amdgpu_gmc_set_agp_default()
374 	mc->agp_size = 0;  in amdgpu_gmc_set_agp_default()
1045  * amdgpu_gmc_vram_mc2pa - calculate vram buffer's physical address from MC
1049  * @mc_addr: MC address of buffer