diff options
Diffstat (limited to 'drivers/gpu/drm/xe/xe_gt_sriov_pf.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_gt_sriov_pf.c | 49 |
1 files changed, 47 insertions, 2 deletions
diff --git a/drivers/gpu/drm/xe/xe_gt_sriov_pf.c b/drivers/gpu/drm/xe/xe_gt_sriov_pf.c index 6f906c8e8108..c08efca6420e 100644 --- a/drivers/gpu/drm/xe/xe_gt_sriov_pf.c +++ b/drivers/gpu/drm/xe/xe_gt_sriov_pf.c @@ -15,7 +15,11 @@ #include "xe_gt_sriov_pf_helpers.h" #include "xe_gt_sriov_pf_migration.h" #include "xe_gt_sriov_pf_service.h" +#include "xe_gt_sriov_printk.h" #include "xe_mmio.h" +#include "xe_pm.h" + +static void pf_worker_restart_func(struct work_struct *w); /* * VF's metadata is maintained in the flexible array where: @@ -41,6 +45,11 @@ static int pf_alloc_metadata(struct xe_gt *gt) return 0; } +static void pf_init_workers(struct xe_gt *gt) +{ + INIT_WORK(>->sriov.pf.workers.restart, pf_worker_restart_func); +} + /** * xe_gt_sriov_pf_init_early - Prepare SR-IOV PF data structures on PF. * @gt: the &xe_gt to initialize @@ -65,6 +74,8 @@ int xe_gt_sriov_pf_init_early(struct xe_gt *gt) if (err) return err; + pf_init_workers(gt); + return 0; } @@ -78,6 +89,12 @@ int xe_gt_sriov_pf_init_early(struct xe_gt *gt) */ int xe_gt_sriov_pf_init(struct xe_gt *gt) { + int err; + + err = xe_gt_sriov_pf_config_init(gt); + if (err) + return err; + return xe_gt_sriov_pf_migration_init(gt); } @@ -155,6 +172,35 @@ void xe_gt_sriov_pf_sanitize_hw(struct xe_gt *gt, unsigned int vfid) pf_clear_vf_scratch_regs(gt, vfid); } +static void pf_restart(struct xe_gt *gt) +{ + struct xe_device *xe = gt_to_xe(gt); + + xe_pm_runtime_get(xe); + xe_gt_sriov_pf_config_restart(gt); + xe_gt_sriov_pf_control_restart(gt); + xe_pm_runtime_put(xe); + + xe_gt_sriov_dbg(gt, "restart completed\n"); +} + +static void pf_worker_restart_func(struct work_struct *w) +{ + struct xe_gt *gt = container_of(w, typeof(*gt), sriov.pf.workers.restart); + + pf_restart(gt); +} + +static void pf_queue_restart(struct xe_gt *gt) +{ + struct xe_device *xe = gt_to_xe(gt); + + xe_gt_assert(gt, IS_SRIOV_PF(xe)); + + if (!queue_work(xe->sriov.wq, >->sriov.pf.workers.restart)) + xe_gt_sriov_dbg(gt, "restart already in queue!\n"); +} + /** * xe_gt_sriov_pf_restart - Restart SR-IOV support after a GT reset. * @gt: the &xe_gt @@ -163,6 +209,5 @@ void xe_gt_sriov_pf_sanitize_hw(struct xe_gt *gt, unsigned int vfid) */ void xe_gt_sriov_pf_restart(struct xe_gt *gt) { - xe_gt_sriov_pf_config_restart(gt); - xe_gt_sriov_pf_control_restart(gt); + pf_queue_restart(gt); } |