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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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12
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@@ -1131,6 +1131,18 @@ int amdgpu_set_powergating_state(struct amdgpu_device *adev,
return r;
}
void amdgpu_get_clockgating_state(struct amdgpu_device *adev, u32 *flags)
{
int i;
for (i = 0; i < adev->num_ip_blocks; i++) {
if (!adev->ip_blocks[i].status.valid)
continue;
if (adev->ip_blocks[i].version->funcs->get_clockgating_state)
adev->ip_blocks[i].version->funcs->get_clockgating_state((void *)adev, flags);
}
}
int amdgpu_wait_for_idle(struct amdgpu_device *adev,
enum amd_ip_block_type block_type)
{