// SPDX-License-Identifier: MIT /* * Copyright © 2021 Intel Corporation */ #include <drm/drm_managed.h> #include "i915_drv.h" #include "gt/intel_gt.h" #include "gt/intel_sa_media.h" int intel_sa_mediagt_setup(struct intel_gt *gt, phys_addr_t phys_addr, u32 gsi_offset) { struct drm_i915_private *i915 = gt->i915; struct intel_uncore *uncore; uncore = drmm_kzalloc(&i915->drm, sizeof(*uncore), GFP_KERNEL); if (!uncore) return -ENOMEM; uncore->gsi_offset = gsi_offset; gt->irq_lock = to_gt(i915)->irq_lock; intel_gt_common_init_early(gt); intel_uncore_init_early(uncore, gt); /* * Standalone media shares the general MMIO space with the primary * GT. We'll re-use the primary GT's mapping. */ uncore->regs = i915->uncore.regs; if (drm_WARN_ON(&i915->drm, uncore->regs == NULL)) return -EIO; gt->uncore = uncore; gt->phys_addr = phys_addr; /* * For current platforms we can assume there's only a single * media GT and cache it for quick lookup. */ drm_WARN_ON(&i915->drm, i915->media_gt); i915->media_gt = gt; return 0; }