[PATCH 10/29] drm/amdgpu: Add xcp manager num_xcp_per_mem_partition

[Alex Deucher]

From: Philip Yang <Philip.Yang at amd.com>

Used by KFD to check memory limit accounting.

Signed-off-by: Philip Yang <Philip.Yang at amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c | 1 +
 drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.h | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c
index 9b960ba0b7ac..f2981d21d4e0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c
@@ -156,6 +156,7 @@ int amdgpu_xcp_init(struct amdgpu_xcp_mgr *xcp_mgr, int num_xcps, int mode)
 	xcp_mgr->num_xcps = num_xcps;
 	amdgpu_xcp_update_partition_sched_list(adev);
 
+	xcp_mgr->num_xcp_per_mem_partition = num_xcps / xcp_mgr->adev->gmc.num_mem_partitions;
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.h
index 39aca87ce204..68b63b970ce8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.h
@@ -83,6 +83,9 @@ struct amdgpu_xcp_mgr {
 	struct amdgpu_xcp xcp[MAX_XCP];
 	uint8_t num_xcps;
 	int8_t mode;
+
+	 /* Used to determine KFD memory size limits per XCP */
+	unsigned int num_xcp_per_mem_partition;
 };
 
 struct amdgpu_xcp_mgr_funcs {
-- 
2.40.1