forked from Minki/linux
drm/amdgpu: add IP helpers for wait_for_idle and is_idle
Helpers to to call the IP functions for the selected IP. Reviewed-by: Chunming zhou <david1.zhou@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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bfa833558c
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5dbbb60ba6
@ -187,6 +187,10 @@ int amdgpu_set_clockgating_state(struct amdgpu_device *adev,
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int amdgpu_set_powergating_state(struct amdgpu_device *adev,
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enum amd_ip_block_type block_type,
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enum amd_powergating_state state);
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int amdgpu_wait_for_idle(struct amdgpu_device *adev,
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enum amd_ip_block_type block_type);
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bool amdgpu_is_idle(struct amdgpu_device *adev,
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enum amd_ip_block_type block_type);
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struct amdgpu_ip_block_version {
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enum amd_ip_block_type type;
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@ -1102,6 +1102,36 @@ int amdgpu_set_powergating_state(struct amdgpu_device *adev,
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return r;
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}
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int amdgpu_wait_for_idle(struct amdgpu_device *adev,
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enum amd_ip_block_type block_type)
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{
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int i, r;
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for (i = 0; i < adev->num_ip_blocks; i++) {
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if (adev->ip_blocks[i].type == block_type) {
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r = adev->ip_blocks[i].funcs->wait_for_idle((void *)adev);
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if (r)
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return r;
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break;
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}
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}
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return 0;
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}
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bool amdgpu_is_idle(struct amdgpu_device *adev,
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enum amd_ip_block_type block_type)
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{
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int i;
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for (i = 0; i < adev->num_ip_blocks; i++) {
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if (adev->ip_blocks[i].type == block_type)
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return adev->ip_blocks[i].funcs->is_idle((void *)adev);
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}
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return true;
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}
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const struct amdgpu_ip_block_version * amdgpu_get_ip_block(
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struct amdgpu_device *adev,
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enum amd_ip_block_type type)
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