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drm/xe/pf: Define admin_only as real flag

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Instead of doing guesses each time during the runtime, set flag
admin_only once during PF's initialization.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patch.msgid.link/20260127210501.794-1-michal.wajdeczko@intel.com
This commit is contained in:
Michal Wajdeczko 2026-01-27 22:05:01 +01:00
parent 0dfc7306b9
commit 10f817c256
4 changed files with 12 additions and 2 deletions
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2
drivers/gpu/drm/xe/tests/xe_gt_sriov_pf_config_kunit.c
View File

@ -15,7 +15,7 @@
static void pf_set_admin_mode(struct xe_device *xe, bool enable)
{
/* should match logic of xe_sriov_pf_admin_only() */
xe->info.probe_display = !enable;
xe->sriov.pf.admin_only = enable;
KUNIT_EXPECT_EQ(kunit_get_current_test(), enable, xe_sriov_pf_admin_only(xe));
}

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

@ -20,6 +20,11 @@
#include "xe_sriov_pf_sysfs.h"
#include "xe_sriov_printk.h"
static bool wanted_admin_only(struct xe_device *xe)
{
return !xe->info.probe_display;
}
static unsigned int wanted_max_vfs(struct xe_device *xe)
{
return xe_configfs_get_max_vfs(to_pci_dev(xe->drm.dev));
@ -74,6 +79,7 @@ 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

@ -56,7 +56,8 @@ 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)
{
return !xe->info.probe_display;
xe_assert(xe, IS_SRIOV_PF(xe));
return xe->sriov.pf.admin_only;
}
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

@ -36,6 +36,9 @@ 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;