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drm/amdgpu: Add supported partition mode node

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Add sysfs node to show supported partition modes across all NPS modes

Signed-off-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Asad Kamal 2024-09-24 19:22:05 +08:00 • committed by Alex Deucher
parent fcd91a95df
commit 1007264254
1 changed files with 41 additions and 3 deletions
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44
drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c
View file

@ -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 +593,15 @@ 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 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 +621,7 @@ 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 +649,7 @@ err:
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 +669,6 @@ 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);
}