ac/info: move gs table depth to common code.

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>

src/amd/common/ac_gpu_info.c

@@ -521,3 +521,36 @@ void ac_print_gpu_info(struct radeon_info *info)
 		       G_0098F8_NUM_LOWER_PIPES(info->gb_addr_config));
 	}
 }
+
+int
+ac_get_gs_table_depth(enum chip_class chip_class, enum radeon_family family)
+{
+	if (chip_class >= GFX9)
+		return -1;
+
+	switch (family) {
+	case CHIP_OLAND:
+	case CHIP_HAINAN:
+	case CHIP_KAVERI:
+	case CHIP_KABINI:
+	case CHIP_MULLINS:
+	case CHIP_ICELAND:
+	case CHIP_CARRIZO:
+	case CHIP_STONEY:
+		return 16;
+	case CHIP_TAHITI:
+	case CHIP_PITCAIRN:
+	case CHIP_VERDE:
+	case CHIP_BONAIRE:
+	case CHIP_HAWAII:
+	case CHIP_TONGA:
+	case CHIP_FIJI:
+	case CHIP_POLARIS10:
+	case CHIP_POLARIS11:
+	case CHIP_POLARIS12:
+	case CHIP_VEGAM:
+		return 32;
+	default:
+		unreachable("Unknown GPU");
+	}
+}

src/amd/common/ac_gpu_info.h

@@ -130,6 +130,7 @@ void ac_compute_driver_uuid(char *uuid, size_t size);
 
 void ac_compute_device_uuid(struct radeon_info *info, char *uuid, size_t size);
 void ac_print_gpu_info(struct radeon_info *info);
+int ac_get_gs_table_depth(enum chip_class chip_class, enum radeon_family family);
 
 #ifdef __cplusplus
 }