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drm/amdgpu: introduce an interface to get clock gating status dynamically

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Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Huang Rui
2017-01-05 18:44:41 +08:00
committed by Alex Deucher
parent c8394f38fa
commit 6cb2d4e4f3
4 changed files with 19 additions and 0 deletions
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2
drivers/gpu/drm/amd/include/amd_shared.h
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@@ -214,6 +214,8 @@ struct amd_ip_funcs {
/* enable/disable pg for the IP block */
int (*set_powergating_state)(void *handle,
enum amd_powergating_state state);
/* get current clockgating status */
void (*get_clockgating_state)(void *handle, u32 *flags);
};
#endif /* __AMD_SHARED_H__ */