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drm/amdgpu: add powerplay sclk OD support through sysfs (v2)

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Add a new sysfs entry pp_sclk_od to support sclk overdrive(OD) overclocking,
the entry is read/write, the value of input/output is an integer which is the
over percentage of the highest sclk.

v2: drop extra semicolon

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Eric Huang
2016-05-12 14:51:21 -04:00
committed by Alex Deucher
parent b2ea0dcd27
commit 428bafa86c
5 changed files with 103 additions and 0 deletions
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6
drivers/gpu/drm/amd/amdgpu/amdgpu.h
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@@ -2342,6 +2342,12 @@ amdgpu_get_sdma_instance(struct amdgpu_ring *ring)
#define amdgpu_dpm_force_clock_level(adev, type, level) \
(adev)->powerplay.pp_funcs->force_clock_level((adev)->powerplay.pp_handle, type, level)
#define amdgpu_dpm_get_sclk_od(adev) \
(adev)->powerplay.pp_funcs->get_sclk_od((adev)->powerplay.pp_handle)
#define amdgpu_dpm_set_sclk_od(adev, value) \
(adev)->powerplay.pp_funcs->set_sclk_od((adev)->powerplay.pp_handle, value)
#define amdgpu_dpm_dispatch_task(adev, event_id, input, output) \
(adev)->powerplay.pp_funcs->dispatch_tasks((adev)->powerplay.pp_handle, (event_id), (input), (output))