[PATCH v2 4/4] drm/amdgpu: Add supported partition mode node
Asad Kamal
asad.kamal at amd.com
Tue Sep 24 14:15:49 UTC 2024
Add sysfs node to show supoorted partition modes across all NPS modes
Signed-off-by: Asad Kamal <asad.kamal at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c | 48 +++++++++++++++++++++++--
1 file changed, 45 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c
index fc4ab1d8c7c9..10daa6a15e5e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c
@@ -463,6 +463,14 @@ static struct attribute *xcp_cfg_res_sysfs_attrs[] = {
&XCP_CFG_SYSFS_RES_ATTR_PTR(num_shared), NULL
};
+static const char *xcp_desc[] = {
+ [AMDGPU_SPX_PARTITION_MODE] = "SPX",
+ [AMDGPU_DPX_PARTITION_MODE] = "DPX",
+ [AMDGPU_TPX_PARTITION_MODE] = "TPX",
+ [AMDGPU_QPX_PARTITION_MODE] = "QPX",
+ [AMDGPU_CPX_PARTITION_MODE] = "CPX",
+};
+
ATTRIBUTE_GROUPS(xcp_cfg_res_sysfs);
#define to_xcp_attr(x) \
@@ -511,6 +519,27 @@ static int amdgpu_xcp_get_res_info(struct amdgpu_xcp_mgr *xcp_mgr,
}
#define to_xcp_cfg(x) container_of(x, struct amdgpu_xcp_cfg, kobj)
+static ssize_t supported_xcp_configs_show(struct kobject *kobj,
+ struct kobj_attribute *attr, char *buf)
+{
+ struct amdgpu_xcp_cfg *xcp_cfg = to_xcp_cfg(kobj);
+ struct amdgpu_xcp_mgr *xcp_mgr = xcp_cfg->xcp_mgr;
+ int size = 0, mode;
+ char *sep = "";
+
+ if (!xcp_mgr || !xcp_mgr->supp_xcp_modes)
+ return sysfs_emit(buf, "Not supported\n");
+
+ for_each_inst(mode, xcp_mgr->supp_xcp_modes) {
+ size += sysfs_emit_at(buf, size, "%s%s", sep, xcp_desc[mode]);
+ sep = ", ";
+ }
+
+ size += sysfs_emit_at(buf, size, "\n");
+
+ return size;
+}
+
static ssize_t xcp_config_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
{
@@ -564,6 +593,19 @@ static const struct kobj_type xcp_cfg_sysfs_ktype = {
.sysfs_ops = &kobj_sysfs_ops,
};
+static struct kobj_attribute supp_part_sysfs_mode =
+ __ATTR_RO(supported_xcp_configs);
+
+static const struct kobj_type supp_part_sysfs_ktype = {
+ .sysfs_ops = &kobj_sysfs_ops,
+};
+
+static const struct attribute *xcp_attrs[] = {
+ &supp_part_sysfs_mode.attr,
+ &xcp_cfg_sysfs_mode.attr,
+ NULL,
+};
+
void amdgpu_xcp_cfg_sysfs_init(struct amdgpu_device *adev)
{
struct amdgpu_xcp_res_details *xcp_res;
@@ -583,7 +625,7 @@ void amdgpu_xcp_cfg_sysfs_init(struct amdgpu_device *adev)
if (r)
goto err1;
- r = sysfs_create_file(&xcp_cfg->kobj, &xcp_cfg_sysfs_mode.attr);
+ r = sysfs_create_files(&xcp_cfg->kobj, xcp_attrs);
if (r)
goto err1;
@@ -611,7 +653,7 @@ void amdgpu_xcp_cfg_sysfs_init(struct amdgpu_device *adev)
kobject_put(&xcp_res->kobj);
}
- sysfs_remove_file(&xcp_cfg->kobj, &xcp_cfg_sysfs_mode.attr);
+ sysfs_remove_files(&xcp_cfg->kobj, xcp_attrs);
err1:
kobject_put(&xcp_cfg->kobj);
}
@@ -631,6 +673,6 @@ void amdgpu_xcp_cfg_sysfs_fini(struct amdgpu_device *adev)
kobject_put(&xcp_res->kobj);
}
- sysfs_remove_file(&xcp_cfg->kobj, &xcp_cfg_sysfs_mode.attr);
+ sysfs_remove_files(&xcp_cfg->kobj, xcp_attrs);
kobject_put(&xcp_cfg->kobj);
}
--
2.46.0
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