[PATCH] drm/amdgpu: Use SPX as default in partition config

[Lijo Lazar]

In certain cases - ex: when a reset is required on initialization - XCP
manager won't have a valid partition mode. In such cases, use SPX as the
default selected mode for which partition configuration details are
populated.

Signed-off-by: Lijo Lazar <lijo.lazar at amd.com>
Reported-by: Hao Zhou <hao.zhou at amd.com>

Fixes: c7de57033d9b ("drm/amdgpu: Add sysfs nodes to get xcp details")
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c
index 111bf897e72e..83a16918ea76 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c
@@ -606,7 +606,7 @@ void amdgpu_xcp_cfg_sysfs_init(struct amdgpu_device *adev)
 {
 	struct amdgpu_xcp_res_details *xcp_res;
 	struct amdgpu_xcp_cfg *xcp_cfg;
-	int i, r, j, rid;
+	int i, r, j, rid, mode;
 
 	if (!adev->xcp_mgr)
 		return;
@@ -625,11 +625,15 @@ void amdgpu_xcp_cfg_sysfs_init(struct amdgpu_device *adev)
 	if (r)
 		goto err1;
 
-	r = amdgpu_xcp_get_res_info(xcp_cfg->xcp_mgr, xcp_cfg->xcp_mgr->mode, xcp_cfg);
+	mode = (xcp_cfg->xcp_mgr->mode ==
+		AMDGPU_UNKNOWN_COMPUTE_PARTITION_MODE) ?
+		       AMDGPU_SPX_PARTITION_MODE :
+		       xcp_cfg->xcp_mgr->mode;
+	r = amdgpu_xcp_get_res_info(xcp_cfg->xcp_mgr, mode, xcp_cfg);
 	if (r)
 		goto err1;
 
-	xcp_cfg->mode = xcp_cfg->xcp_mgr->mode;
+	xcp_cfg->mode = mode;
 	for (i = 0; i < xcp_cfg->num_res; i++) {
 		xcp_res = &xcp_cfg->xcp_res[i];
 		rid = xcp_res->id;
-- 
2.25.1