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Commit 5dbbb60b authored by Alex Deucher's avatar Alex Deucher
Browse files

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: default avatarChunming zhou <david1.zhou@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent bfa83355

drivers/gpu/drm/amd/amdgpu/amdgpu.h

+4 −0
Original line number Original line Diff line number Diff line
@@ -187,6 +187,10 @@ int amdgpu_set_clockgating_state(struct amdgpu_device *adev, 
int amdgpu_set_powergating_state(struct amdgpu_device *adev,

int amdgpu_set_powergating_state(struct amdgpu_device *adev,

				  enum amd_ip_block_type block_type,

				  enum amd_ip_block_type block_type,

				  enum amd_powergating_state state);

				  enum amd_powergating_state state);

int amdgpu_wait_for_idle(struct amdgpu_device *adev,

			 enum amd_ip_block_type block_type);

bool amdgpu_is_idle(struct amdgpu_device *adev,

		    enum amd_ip_block_type block_type);





struct amdgpu_ip_block_version {

struct amdgpu_ip_block_version {

	enum amd_ip_block_type type;

	enum amd_ip_block_type type;

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

+30 −0
Original line number Original line Diff line number Diff line
@@ -1102,6 +1102,36 @@ int amdgpu_set_powergating_state(struct amdgpu_device *adev, 
	return r;

	return r;

}

}





int amdgpu_wait_for_idle(struct amdgpu_device *adev,

			 enum amd_ip_block_type block_type)

{

	int i, r;



	for (i = 0; i < adev->num_ip_blocks; i++) {

		if (adev->ip_blocks[i].type == block_type) {

			r = adev->ip_blocks[i].funcs->wait_for_idle((void *)adev);

			if (r)

				return r;

			break;

		}

	}

	return 0;



}



bool amdgpu_is_idle(struct amdgpu_device *adev,

		    enum amd_ip_block_type block_type)

{

	int i;



	for (i = 0; i < adev->num_ip_blocks; i++) {

		if (adev->ip_blocks[i].type == block_type)

			return adev->ip_blocks[i].funcs->is_idle((void *)adev);

	}

	return true;



}



const struct amdgpu_ip_block_version * amdgpu_get_ip_block(

const struct amdgpu_ip_block_version * amdgpu_get_ip_block(

					struct amdgpu_device *adev,

					struct amdgpu_device *adev,

					enum amd_ip_block_type type)

					enum amd_ip_block_type type)