1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_sa_media.c b/drivers/gpu/drm/i915/gt/intel_sa_media.c
new file mode 100644
index 000000000..e8f3d18c1
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/intel_sa_media.c
@@ -0,0 +1,47 @@
+// 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;
+}