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drm/xe/pf: Derive admin-only PF mode from xe_device state

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Stop tracking admin-only PF mode in a separate `xe->sriov.pf.admin_only`
field and use `xe_device_is_admin_only(xe)` as the single source of
admin mode.

Signed-off-by: Satyanarayana K V P <satyanarayana.k.v.p@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patch.msgid.link/20260413095637.2871287-2-satyanarayana.k.v.p@intel.com
This commit is contained in:
Satyanarayana K V P 2026-04-13 09:56:38 +00:00 committed by Michal Wajdeczko
parent d88c4bac8c
commit 3e3fbb5ee3
5 changed files with 23 additions and 12 deletions
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21
drivers/gpu/drm/xe/tests/xe_gt_sriov_pf_config_kunit.c
View File

@ -13,11 +13,28 @@
#define TEST_MAX_VFS 63
#define TEST_VRAM 0x7a800000ull /* random size that works on 32-bit */
static bool xe_device_is_admin_only_stub_enable(const struct xe_device *xe)
{
return true;
}
static bool xe_device_is_admin_only_stub_disable(const struct xe_device *xe)
{
return false;
}
static void pf_set_admin_mode(struct xe_device *xe, bool enable)
{
/* should match logic of xe_sriov_pf_admin_only() */
xe->sriov.pf.admin_only = enable;
typeof(xe_device_is_admin_only) *stub = enable ?
xe_device_is_admin_only_stub_enable :
xe_device_is_admin_only_stub_disable;
kunit_activate_static_stub(kunit_get_current_test(),
xe_device_is_admin_only,
*stub);
KUNIT_EXPECT_EQ(kunit_get_current_test(), enable, xe_sriov_pf_admin_only(xe));
KUNIT_EXPECT_EQ(kunit_get_current_test(), enable, xe_device_is_admin_only(xe));
}
static void pf_set_usable_vram(struct xe_device *xe, u64 usable)

2
drivers/gpu/drm/xe/xe_device.c
View File

@ -17,6 +17,7 @@
#include <drm/drm_managed.h>
#include <drm/drm_pagemap_util.h>
#include <drm/drm_print.h>
#include <kunit/static_stub.h>
#include <uapi/drm/xe_drm.h>
#include "display/xe_display.h"
@ -445,6 +446,7 @@ static struct drm_driver admin_only_driver = {
*/
bool xe_device_is_admin_only(const struct xe_device *xe)
{
KUNIT_STATIC_STUB_REDIRECT(xe_device_is_admin_only, xe);
return xe->drm.driver == &admin_only_driver;
}
#endif

6
drivers/gpu/drm/xe/xe_sriov_pf.c
View File

@ -20,11 +20,6 @@
#include "xe_sriov_pf_sysfs.h"
#include "xe_sriov_printk.h"
static bool wanted_admin_only(struct xe_device *xe)
{
return xe_configfs_admin_only_pf(to_pci_dev(xe->drm.dev));
}
static unsigned int wanted_max_vfs(struct xe_device *xe)
{
return xe_configfs_get_max_vfs(to_pci_dev(xe->drm.dev));
@ -79,7 +74,6 @@ bool xe_sriov_pf_readiness(struct xe_device *xe)
pf_reduce_totalvfs(xe, newlimit);
xe->sriov.pf.admin_only = wanted_admin_only(xe);
xe->sriov.pf.device_total_vfs = totalvfs;
xe->sriov.pf.driver_max_vfs = newlimit;

3
drivers/gpu/drm/xe/xe_sriov_pf_helpers.h
View File

@ -7,6 +7,7 @@
#define _XE_SRIOV_PF_HELPERS_H_
#include "xe_assert.h"
#include "xe_device.h"
#include "xe_device_types.h"
#include "xe_sriov.h"
#include "xe_sriov_types.h"
@ -57,7 +58,7 @@ static inline unsigned int xe_sriov_pf_num_vfs(const struct xe_device *xe)
static inline bool xe_sriov_pf_admin_only(const struct xe_device *xe)
{
xe_assert(xe, IS_SRIOV_PF(xe));
return xe->sriov.pf.admin_only;
return xe_device_is_admin_only(xe);
}
static inline struct mutex *xe_sriov_pf_master_mutex(struct xe_device *xe)

3
drivers/gpu/drm/xe/xe_sriov_pf_types.h
View File

@ -36,9 +36,6 @@ struct xe_sriov_metadata {
* @XE_SRIOV_MODE_PF mode.
*/
struct xe_device_pf {
/** @admin_only: PF functionality focused on VFs management only. */
bool admin_only;
/** @device_total_vfs: Maximum number of VFs supported by the device. */
u16 device_total_vfs;