drm/xe/xe_gt_topology.c

1 // SPDX-License-Identifier: MIT
23 	if (drm_WARN_ON(&gt_to_xe(gt)->drm, numregs > XE_MAX_DSS_FUSE_REGS))  in load_dss_mask()
45 	 * Pre-Xe_HP platforms inverted the bit meaning (disable instead  in load_eu_mask()
67  * gen_l3_mask_from_pattern - Replicate a bit pattern according to a mask
69  * It is used to compute the L3 bank masks in a generic format on
80  * ----------
94  * ----------
151 	} else if (xe->info.platform == XE_PVC) {  in load_l3_bank_mask()
162 	} else if (xe->info.platform == XE_DG2) {  in load_l3_bank_mask()
207 	drm_WARN_ON(&xe->drm, num_geometry_regs > 3);  in xe_gt_topology_init()
208 	drm_WARN_ON(&xe->drm, num_compute_regs > 3);  in xe_gt_topology_init()
210 	load_dss_mask(gt, gt->fuse_topo.g_dss_mask,  in xe_gt_topology_init()
215 	load_dss_mask(gt, gt->fuse_topo.c_dss_mask, num_compute_regs,  in xe_gt_topology_init()
219 	load_eu_mask(gt, gt->fuse_topo.eu_mask_per_dss, &gt->fuse_topo.eu_type);  in xe_gt_topology_init()
220 	load_l3_bank_mask(gt, gt->fuse_topo.l3_bank_mask);  in xe_gt_topology_init()
222 	p = drm_dbg_printer(&gt_to_xe(gt)->drm, DRM_UT_DRIVER, "GT topology");  in xe_gt_topology_init()
243 		   gt->fuse_topo.g_dss_mask);  in xe_gt_topology_dump()
245 		   gt->fuse_topo.c_dss_mask);  in xe_gt_topology_dump()
248 		   gt->fuse_topo.eu_mask_per_dss);  in xe_gt_topology_dump()
250 		   eu_type_to_str(gt->fuse_topo.eu_type));  in xe_gt_topology_dump()
252 	drm_printf(p, "L3 bank mask:        %*pb\n", XE_MAX_L3_BANK_MASK_BITS,  in xe_gt_topology_dump()
253 		   gt->fuse_topo.l3_bank_mask);  in xe_gt_topology_dump()
259  * groupsize and groupnum are non-zero.
273  * xe_gt_topology_has_dss_in_quadrant - check fusing of DSS in GT quadrant
277  * Since Xe_HP platforms can have up to four CCS engines, those engines
279  * are no DSS present in one of the four quadrants of the DSS space, the
290 	bitmap_or(all_dss, gt->fuse_topo.g_dss_mask, gt->fuse_topo.c_dss_mask,  in xe_gt_topology_has_dss_in_quadrant()
303 	return test_bit(dss, gt->fuse_topo.g_dss_mask);  in xe_gt_has_geometry_dss()
308 	return test_bit(dss, gt->fuse_topo.c_dss_mask);  in xe_gt_has_compute_dss()