1 files changed, 0 insertions, 128 deletions
diff --git a/drivers/gpu/drm/i915/intel_huc.c b/drivers/gpu/drm/i915/intel_huc.c
deleted file mode 100644
index 9bd1c9002c2a..000000000000
--- a/drivers/gpu/drm/i915/intel_huc.c
+++ /dev/null
@@ -1,128 +0,0 @@
-/*
- * Copyright © 2016-2017 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- *
- */
-
-#include <linux/types.h>
-
-#include "intel_huc.h"
-#include "i915_drv.h"
-
-void intel_huc_init_early(struct intel_huc *huc)
-{
-	intel_huc_fw_init_early(huc);
-}
-
-int intel_huc_init_misc(struct intel_huc *huc)
-{
-	struct drm_i915_private *i915 = huc_to_i915(huc);
-
-	intel_uc_fw_fetch(i915, &huc->fw);
-	return 0;
-}
-
-/**
- * intel_huc_auth() - Authenticate HuC uCode
- * @huc: intel_huc structure
- *
- * Called after HuC and GuC firmware loading during intel_uc_init_hw().
- *
- * This function pins HuC firmware image object into GGTT.
- * Then it invokes GuC action to authenticate passing the offset to RSA
- * signature through intel_guc_auth_huc(). It then waits for 50ms for
- * firmware verification ACK and unpins the object.
- */
-int intel_huc_auth(struct intel_huc *huc)
-{
-	struct drm_i915_private *i915 = huc_to_i915(huc);
-	struct intel_guc *guc = &i915->guc;
-	struct i915_vma *vma;
-	u32 status;
-	int ret;
-
-	if (huc->fw.load_status != INTEL_UC_FIRMWARE_SUCCESS)
-		return -ENOEXEC;
-
-	vma = i915_gem_object_ggtt_pin(huc->fw.obj, NULL, 0, 0,
-				       PIN_OFFSET_BIAS | i915->ggtt.pin_bias);
-	if (IS_ERR(vma)) {
-		ret = PTR_ERR(vma);
-		DRM_ERROR("HuC: Failed to pin huc fw object %d\n", ret);
-		goto fail;
-	}
-
-	ret = intel_guc_auth_huc(guc,
-				 intel_guc_ggtt_offset(guc, vma) +
-				 huc->fw.rsa_offset);
-	if (ret) {
-		DRM_ERROR("HuC: GuC did not ack Auth request %d\n", ret);
-		goto fail_unpin;
-	}
-
-	/* Check authentication status, it should be done by now */
-	ret = __intel_wait_for_register(i915,
-					HUC_STATUS2,
-					HUC_FW_VERIFIED,
-					HUC_FW_VERIFIED,
-					2, 50, &status);
-	if (ret) {
-		DRM_ERROR("HuC: Firmware not verified %#x\n", status);
-		goto fail_unpin;
-	}
-
-	i915_vma_unpin(vma);
-	return 0;
-
-fail_unpin:
-	i915_vma_unpin(vma);
-fail:
-	huc->fw.load_status = INTEL_UC_FIRMWARE_FAIL;
-
-	DRM_ERROR("HuC: Authentication failed %d\n", ret);
-	return ret;
-}
-
-/**
- * intel_huc_check_status() - check HuC status
- * @huc: intel_huc structure
- *
- * This function reads status register to verify if HuC
- * firmware was successfully loaded.
- *
- * Returns: 1 if HuC firmware is loaded and verified,
- * 0 if HuC firmware is not loaded and -ENODEV if HuC
- * is not present on this platform.
- */
-int intel_huc_check_status(struct intel_huc *huc)
-{
-	struct drm_i915_private *dev_priv = huc_to_i915(huc);
-	intel_wakeref_t wakeref;
-	bool status = false;
-
-	if (!HAS_HUC(dev_priv))
-		return -ENODEV;
-
-	with_intel_runtime_pm(dev_priv, wakeref)
-		status = I915_READ(HUC_STATUS2) & HUC_FW_VERIFIED;
-
-	return status;
-}