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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>
This commit is contained in:
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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1
drivers/gpu/drm/amd/amdgpu/amdgpu.h
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@@ -194,6 +194,7 @@ int amdgpu_set_clockgating_state(struct amdgpu_device *adev,
int amdgpu_set_powergating_state(struct amdgpu_device *adev,
enum amd_ip_block_type block_type,
enum amd_powergating_state state);
void amdgpu_get_clockgating_state(struct amdgpu_device *adev, u32 *flags);
int amdgpu_wait_for_idle(struct amdgpu_device *adev,
enum amd_ip_block_type block_type);
bool amdgpu_is_idle(struct amdgpu_device *adev,