1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gh100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gh100.c
new file mode 100644
index 000000000000..2d8c51f882d5
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gh100.c
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: MIT
+ *
+ * Copyright (c) 2025, NVIDIA CORPORATION. All rights reserved.
+ */
+#include "priv.h"
+
+#include <nvhw/drf.h>
+#include <nvhw/ref/gh100/dev_fb.h>
+
+static void
+gh100_fb_sysmem_flush_page_init(struct nvkm_fb *fb)
+{
+	const u64 addr = fb->sysmem.flush_page_addr >> NV_PFB_NISO_FLUSH_SYSMEM_ADDR_SHIFT;
+	struct nvkm_device *device = fb->subdev.device;
+
+	nvkm_wr32(device, NV_PFB_FBHUB_PCIE_FLUSH_SYSMEM_ADDR_HI, upper_32_bits(addr));
+	nvkm_wr32(device, NV_PFB_FBHUB_PCIE_FLUSH_SYSMEM_ADDR_LO, lower_32_bits(addr));
+}
+
+static const struct nvkm_fb_func
+gh100_fb = {
+	.sysmem.flush_page_init = gh100_fb_sysmem_flush_page_init,
+	.vidmem.size = ga102_fb_vidmem_size,
+};
+
+int
+gh100_fb_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb)
+{
+	return r535_fb_new(&gh100_fb, device, type, inst, pfb);
+}