drm/amd/powerplay: add avfs fuse overdriver func.

Add a function to look up the AVFS fuse values for vega10
These are used to populate the avfs fuse table in the smu.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 48 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/pp_overdriver.h b/drivers/gpu/drm/amd/powerplay/hwmgr/pp_overdriver.h
new file mode 100644
index 000000000000..6e8f7a2119c1
--- /dev/null
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/pp_overdriver.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright 2015 Advanced Micro Devices, Inc.
+ *
+ * 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
+ *
+ */
+
+#ifndef _PP_OVERDRIVER_H_
+#define _PP_OVERDRIVER_H_
+
+#include <linux/types.h>
+#include <linux/kernel.h>
+
+struct phm_fuses_default {
+	const char *key;
+	uint32_t VFT2_m1;
+	uint32_t VFT2_m2;
+	uint32_t VFT2_b;
+	uint32_t VFT1_m1;
+	uint32_t VFT1_m2;
+	uint32_t VFT1_b;
+	uint32_t VFT0_m1;
+	uint32_t VFT0_m2;
+	uint32_t VFT0_b;
+};
+
+extern struct phm_fuses_default vega10_fuses_default[];
+extern int pp_override_get_default_fuse_value(uint64_t key,
+			struct phm_fuses_default list[],
+			struct phm_fuses_default *result);
+
+#endif
\ No newline at end of file