drm/amd/powerplay: add Tonga dpm support (v3)

This implements DPM for tonga.  DPM handles dynamic
clock and voltage scaling.

v2: merge all the patches related with tonga dpm
v3: merge dpm force level fix, cgs display fix, spelling fix

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: yanyang1 <young.yang@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>

1 files changed, 42 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/ppinterrupt.h b/drivers/gpu/drm/amd/powerplay/hwmgr/ppinterrupt.h
new file mode 100644
index 0000000..7269ac1
--- /dev/null
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/ppinterrupt.h
@@ -0,0 +1,42 @@
+/*
+ * 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_INTERRUPT_H
+#define PP_INTERRUPT_H
+
+/**
+ * The type of the interrupt callback functions in PowerPlay
+ */
+typedef void (*pp_interrupt_callback) (void *context, uint32_t ul_context_data);
+
+/**
+ * Event Manager action chain list information
+ */
+struct pp_interrupt_registration_info {
+	pp_interrupt_callback callback;  /* Pointer to callback function */
+	void *context;                  /* Pointer to callback function context */
+	uint32_t *interrupt_enable_id;    /* Registered interrupt id */
+};
+
+typedef struct pp_interrupt_registration_info pp_interrupt_registration_info;
+
+#endif