Merge remote-tracking branch 'drm/drm-next' into msm-next

Back-merge drm-next to (indirectly) get arm-smmu updates for making
stall-on-fault more reliable.

Signed-off-by: Rob Clark <robin.clark@oss.qualcomm.com>

1 files changed, 66 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fsp/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fsp/base.c
new file mode 100644
index 000000000000..e366a980baa9
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fsp/base.c
@@ -0,0 +1,66 @@
+/* SPDX-License-Identifier: MIT
+ *
+ * Copyright (c) 2025, NVIDIA CORPORATION. All rights reserved.
+ */
+#include "priv.h"
+
+int
+nvkm_fsp_boot_gsp_fmc(struct nvkm_fsp *fsp, u64 args_addr, u32 rsvd_size, bool resume,
+		      u64 img_addr, const u8 *hash, const u8 *pkey, const u8 *sig)
+{
+	return fsp->func->cot.boot_gsp_fmc(fsp, args_addr, rsvd_size, resume,
+					   img_addr, hash, pkey, sig);
+}
+
+bool
+nvkm_fsp_verify_gsp_fmc(struct nvkm_fsp *fsp, u32 hash_size, u32 pkey_size, u32 sig_size)
+{
+	return hash_size == fsp->func->cot.size_hash &&
+	       pkey_size == fsp->func->cot.size_pkey &&
+	        sig_size == fsp->func->cot.size_sig;
+}
+
+static int
+nvkm_fsp_preinit(struct nvkm_subdev *subdev)
+{
+	struct nvkm_fsp *fsp = nvkm_fsp(subdev);
+
+	return fsp->func->wait_secure_boot(fsp);
+}
+
+static void *
+nvkm_fsp_dtor(struct nvkm_subdev *subdev)
+{
+	struct nvkm_fsp *fsp = nvkm_fsp(subdev);
+
+	nvkm_falcon_dtor(&fsp->falcon);
+	return fsp;
+}
+
+static const struct nvkm_falcon_func
+nvkm_fsp_flcn = {
+	.emem_pio = &gp102_flcn_emem_pio,
+};
+
+static const struct nvkm_subdev_func
+nvkm_fsp = {
+	.dtor = nvkm_fsp_dtor,
+	.preinit = nvkm_fsp_preinit,
+};
+
+int
+nvkm_fsp_new_(const struct nvkm_fsp_func *func,
+	      struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
+	      struct nvkm_fsp **pfsp)
+{
+	struct nvkm_fsp *fsp;
+
+	fsp = *pfsp = kzalloc(sizeof(*fsp), GFP_KERNEL);
+	if (!fsp)
+		return -ENOMEM;
+
+	fsp->func = func;
+	nvkm_subdev_ctor(&nvkm_fsp, device, type, inst, &fsp->subdev);
+
+	return nvkm_falcon_ctor(&nvkm_fsp_flcn, &fsp->subdev, "fsp", 0x8f2000, &fsp->falcon);
+}