intel_gvt_init_vgpu_type_groups() makes gvt->types 1:1 with the
supported_type_groups array, so the type_group_id is also the index into
gvt->types. Use it directly and remove the string matching.
Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
---
drivers/gpu/drm/i915/gvt/gvt.c | 24 +++++++-----------------
drivers/gpu/drm/i915/gvt/gvt.h | 4 ++--
drivers/gpu/drm/i915/gvt/kvmgt.c | 5 ++---
3 files changed, 11 insertions(+), 22 deletions(-)
diff --git a/drivers/gpu/drm/i915/gvt/gvt.c b/drivers/gpu/drm/i915/gvt/gvt.c
index d1d8ee4a5f16a3..4b47a18e9dfa0f 100644
--- a/drivers/gpu/drm/i915/gvt/gvt.c
+++ b/drivers/gpu/drm/i915/gvt/gvt.c
@@ -46,22 +46,12 @@ static const char * const supported_hypervisors[] = {
[INTEL_GVT_HYPERVISOR_KVM] = "KVM",
};
-static struct intel_vgpu_type *intel_gvt_find_vgpu_type(struct intel_gvt *gvt,
- const char *name)
+static struct intel_vgpu_type *
+intel_gvt_find_vgpu_type(struct intel_gvt *gvt, unsigned int type_group_id)
{
- const char *driver_name =
- dev_driver_string(&gvt->gt->i915->drm.pdev->dev);
- int i;
-
- name += strlen(driver_name) + 1;
- for (i = 0; i < gvt->num_types; i++) {
- struct intel_vgpu_type *t = &gvt->types[i];
-
- if (!strncmp(t->name, name, sizeof(t->name)))
- return t;
- }
-
- return NULL;
+ if (WARN_ON(type_group_id >= gvt->num_types))
+ return NULL;
+ return &gvt->types[type_group_id];
}
static ssize_t available_instances_show(struct kobject *kobj,
@@ -71,7 +61,7 @@ static ssize_t available_instances_show(struct kobject *kobj,
unsigned int num = 0;
void *gvt = kdev_to_i915(dev)->gvt;
- type = intel_gvt_find_vgpu_type(gvt, kobject_name(kobj));
+ type = intel_gvt_find_vgpu_type(gvt, mtype_get_type_group_id(kobj));
if (!type)
num = 0;
else
@@ -92,7 +82,7 @@ static ssize_t description_show(struct kobject *kobj, struct device *dev,
struct intel_vgpu_type *type;
void *gvt = kdev_to_i915(dev)->gvt;
- type = intel_gvt_find_vgpu_type(gvt, kobject_name(kobj));
+ type = intel_gvt_find_vgpu_type(gvt, mtype_get_type_group_id(kobj));
if (!type)
return 0;
diff --git a/drivers/gpu/drm/i915/gvt/gvt.h b/drivers/gpu/drm/i915/gvt/gvt.h
index 03c993d68f105a..0cf480f42850d2 100644
--- a/drivers/gpu/drm/i915/gvt/gvt.h
+++ b/drivers/gpu/drm/i915/gvt/gvt.h
@@ -569,8 +569,8 @@ struct intel_gvt_ops {
void (*vgpu_reset)(struct intel_vgpu *);
void (*vgpu_activate)(struct intel_vgpu *);
void (*vgpu_deactivate)(struct intel_vgpu *);
- struct intel_vgpu_type *(*gvt_find_vgpu_type)(struct intel_gvt *gvt,
- const char *name);
+ struct intel_vgpu_type *(*gvt_find_vgpu_type)(
+ struct intel_gvt *gvt, unsigned int type_group_id);
bool (*get_gvt_attrs)(struct attribute_group ***intel_vgpu_type_groups);
int (*vgpu_query_plane)(struct intel_vgpu *vgpu, void *);
int (*vgpu_get_dmabuf)(struct intel_vgpu *vgpu, unsigned int);
diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c
index b4348256ae9591..16e1e4a38aa1f6 100644
--- a/drivers/gpu/drm/i915/gvt/kvmgt.c
+++ b/drivers/gpu/drm/i915/gvt/kvmgt.c
@@ -700,10 +700,9 @@ static int intel_vgpu_create(struct kobject *kobj, struct mdev_device *mdev)
pdev = mdev_parent_dev(mdev);
gvt = kdev_to_i915(pdev)->gvt;
- type = intel_gvt_ops->gvt_find_vgpu_type(gvt, kobject_name(kobj));
+ type = intel_gvt_ops->gvt_find_vgpu_type(gvt,
+ mdev_get_type_group_id(mdev));
if (!type) {
- gvt_vgpu_err("failed to find type %s to create\n",
- kobject_name(kobj));
ret = -EINVAL;
goto out;
}
--
2.31.1
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