From d26ea1b346e71c07aa00956c32fe2d2dbec068ec Mon Sep 17 00:00:00 2001
From: Philip Yang <Philip.Yang@amd.com>
Date: Fri, 3 Mar 2023 19:45:45 -0500
Subject: drm/amdgpu: Add xcp manager num_xcp_per_mem_partition
Used by KFD to check memory limit accounting.
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@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(+)
(limited to 'drivers')
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 {
--
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