drm2/radeon/radeon_device.c

319  * @mc: memory controller structure holding memory informations
343  * Note: we use mc_vram_size as on some board we need to program the mc to
357 void radeon_vram_location(struct radeon_device *rdev, struct radeon_mc *mc, u64 base)
361 	mc->vram_start = base;
362 	if (mc->mc_vram_size > (0xFFFFFFFF - base + 1)) {
364 		mc->real_vram_size = mc->aper_size;
365 		mc->mc_vram_size = mc->aper_size;
367 	mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
368 	if (rdev->flags & RADEON_IS_AGP && mc->vram_end > mc->gtt_start && mc->vram_start <= mc->gtt_end) {
370 		mc->real_vram_size = mc->aper_size;
371 		mc->mc_vram_size = mc->aper_size;
373 	mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
374 	if (limit && limit < mc->real_vram_size)
375 		mc->real_vram_size = limit;
377 			(uintmax_t)mc->mc_vram_size >> 20, (uintmax_t)mc->vram_start,
378 			(uintmax_t)mc->vram_end, (uintmax_t)mc->real_vram_size >> 20);
384  * @mc: memory controller structure holding memory informations
393 void radeon_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
397 	size_af = ((0xFFFFFFFF - mc->vram_end) + mc->gtt_base_align) & ~mc->gtt_base_align;
398 	size_bf = mc->vram_start & ~mc->gtt_base_align;
400 		if (mc->gtt_size > size_bf) {
402 			mc->gtt_size = size_bf;
404 		mc->gtt_start = (mc->vram_start & ~mc->gtt_base_align) - mc->gtt_size;
406 		if (mc->gtt_size > size_af) {
408 			mc->gtt_size = size_af;
410 		mc->gtt_start = (mc->vram_end + 1 + mc->gtt_base_align) & ~mc->gtt_base_align;
412 	mc->gtt_end = mc->gtt_start + mc->gtt_size - 1;
414 			(uintmax_t)mc->gtt_size >> 20, (uintmax_t)mc->gtt_start, (uintmax_t)mc->gtt_end);
881 	rdev->mc.gtt_size = (uint64_t)radeon_gart_size << 20;
1014 	rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024;
1159 	    __func__, (uintmax_t)rdev->mc.aper_base,
1160 	    (uintmax_t)rdev->mc.aper_base + rdev->mc.visible_vram_size);
1162 	    rdev->mc.aper_base,
1163 	    rdev->mc.aper_base + rdev->mc.visible_vram_size,
1167 		    "0x%jx-0x%jx (%d).\n", (uintmax_t)rdev->mc.aper_base,
1168 		    (uintmax_t)rdev->mc.aper_base + rdev->mc.visible_vram_size, r);
1175 		    __func__, (uintmax_t)rdev->mc.agp_base,
1176 		    (uintmax_t)rdev->mc.agp_base + rdev->mc.gtt_size);
1178 		    rdev->mc.agp_base,
1179 		    rdev->mc.agp_base + rdev->mc.gtt_size,
1183 			    "0x%jx-0x%jx (%d).\n", (uintmax_t)rdev->mc.agp_base,
1184 			    (uintmax_t)rdev->mc.agp_base + rdev->mc.gtt_size, r);
1224 		    rdev->mc.aper_base,
1225 		    rdev->mc.aper_base + rdev->mc.visible_vram_size);
1230 		    rdev->mc.agp_base,
1231 		    rdev->mc.agp_base + rdev->mc.gtt_size);