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authoryanyang1 <young.yang@amd.com>2015-08-18 15:28:32 +0800
committerAlex Deucher <alexander.deucher@amd.com>2015-12-21 16:42:15 -0500
commitc82baa28184356a75c0157129f88af42b2e7b695 (patch)
tree7a702571d210aa8eb1ff04363ba8bcd4d5894a35 /drivers/gpu/drm/amd/powerplay/hwmgr/pppcielanes.h
parent1060029fae7c351351d7c2e9e345b6c57f515668 (diff)
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>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/hwmgr/pppcielanes.h')
-rw-r--r--drivers/gpu/drm/amd/powerplay/hwmgr/pppcielanes.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/pppcielanes.h b/drivers/gpu/drm/amd/powerplay/hwmgr/pppcielanes.h
new file mode 100644
index 000000000000..70b163b35570
--- /dev/null
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/pppcielanes.h
@@ -0,0 +1,31 @@
+/*
+ * 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_PCIELANES_H
+#define PP_PCIELANES_H
+
+extern uint8_t encode_pcie_lane_width(uint32_t num_lanes);
+extern uint8_t decode_pcie_lane_width(uint32_t num_lanes);
+
+#endif
+