Commit 4bdca205 authored by Lijo Lazar's avatar Lijo Lazar Committed by Alex Deucher
Browse files

drm/amdgpu: Add utility functions for xcp 



Add utility functions to get details of xcp and iterate through
available xcps.

Signed-off-by: default avatarLijo Lazar <lijo.lazar@amd.com>
Reviewed-by: default avatarLe Ma <le.ma@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent db3b5cb6

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

+12 −0
Original line number Original line Diff line number Diff line
@@ -256,3 +256,15 @@ int amdgpu_xcp_get_partition(struct amdgpu_xcp_mgr *xcp_mgr, 




	return id_mask;

	return id_mask;

}

}



int amdgpu_xcp_get_inst_details(struct amdgpu_xcp *xcp,

				enum AMDGPU_XCP_IP_BLOCK ip,

				uint32_t *inst_mask)

{

	if (!xcp->valid || !inst_mask || !(xcp->ip[ip].valid))

		return -EINVAL;



	*inst_mask = xcp->ip[ip].inst_mask;



	return 0;

}

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

+31 −0
Original line number Original line Diff line number Diff line
@@ -108,4 +108,35 @@ int amdgpu_xcp_switch_partition_mode(struct amdgpu_xcp_mgr *xcp_mgr, int mode); 
int amdgpu_xcp_get_partition(struct amdgpu_xcp_mgr *xcp_mgr,

int amdgpu_xcp_get_partition(struct amdgpu_xcp_mgr *xcp_mgr,

			     enum AMDGPU_XCP_IP_BLOCK ip, int instance);

			     enum AMDGPU_XCP_IP_BLOCK ip, int instance);





int amdgpu_xcp_get_inst_details(struct amdgpu_xcp *xcp,

				enum AMDGPU_XCP_IP_BLOCK ip,

				uint32_t *inst_mask);



static inline int amdgpu_xcp_get_num_xcp(struct amdgpu_xcp_mgr *xcp_mgr)

{

	if (!xcp_mgr)

		return 1;

	else

		return xcp_mgr->num_xcps;

}



static inline struct amdgpu_xcp *

amdgpu_get_next_xcp(struct amdgpu_xcp_mgr *xcp_mgr, int *from)

{

	if (!xcp_mgr)

		return NULL;



	while (*from < MAX_XCP) {

		if (xcp_mgr->xcp[*from].valid)

			return &xcp_mgr->xcp[*from];

		++(*from);

	}



	return NULL;

}



#define for_each_xcp(xcp_mgr, xcp, i)                            \

	for (i = 0, xcp = amdgpu_get_next_xcp(xcp_mgr, &i); xcp; \

	     xcp = amdgpu_get_next_xcp(xcp_mgr, &i))



#endif
 
#endif