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authorMatthew Brost <matthew.brost@intel.com>2023-06-09 21:19:30 +0300
committerRodrigo Vivi <rodrigo.vivi@intel.com>2023-12-20 02:35:21 +0300
commit5e3220de6c72349f77977c62a991748d4e0fea26 (patch)
tree7f33b88cc9da9ea0c6e685f2263a87b424eb3127
parent790bdc7cb2e7dafbac0aafc016dcb7493c925bac (diff)
downloadlinux-5e3220de6c72349f77977c62a991748d4e0fea26.tar.xz
drm/xe: Use Xe ordered workqueue for rebind worker
A mix of the system unbound wq and Xe ordered wq was used for the rebind, only use the Xe ordered wq. This will ensure only 1 rebind is occuring at a time providing a somewhat clunky work around for short comings in TTM wrt to memory contention. Once the TTM memory contention is resolved we should be able to use a dedicated non-ordered workqueue. Also add helper to queue rebind worker to avoid using wrong workqueue going forward. Reviewed-by: José Roberto de Souza <jose.souza@intel.com> Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Signed-off-by: Matthew Brost <matthew.brost@intel.com> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
-rw-r--r--drivers/gpu/drm/xe/xe_preempt_fence.c2
-rw-r--r--drivers/gpu/drm/xe/xe_vm.c3
-rw-r--r--drivers/gpu/drm/xe/xe_vm.h6
3 files changed, 8 insertions, 3 deletions
diff --git a/drivers/gpu/drm/xe/xe_preempt_fence.c b/drivers/gpu/drm/xe/xe_preempt_fence.c
index 78ad8c209873..219eefeb90ff 100644
--- a/drivers/gpu/drm/xe/xe_preempt_fence.c
+++ b/drivers/gpu/drm/xe/xe_preempt_fence.c
@@ -25,7 +25,7 @@ static void preempt_fence_work_func(struct work_struct *w)
dma_fence_signal(&pfence->base);
dma_fence_end_signalling(cookie);
- queue_work(system_unbound_wq, &e->vm->preempt.rebind_work);
+ xe_vm_queue_rebind_worker(e->vm);
xe_engine_put(e);
}
diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c
index fa4778bfd063..be629783050f 100644
--- a/drivers/gpu/drm/xe/xe_vm.c
+++ b/drivers/gpu/drm/xe/xe_vm.c
@@ -3086,8 +3086,7 @@ int xe_vm_bind_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
/* Rebinds may have been blocked, give worker a kick */
if (xe_vm_in_compute_mode(vm))
- queue_work(vm->xe->ordered_wq,
- &vm->preempt.rebind_work);
+ xe_vm_queue_rebind_worker(vm);
}
goto put_engine;
diff --git a/drivers/gpu/drm/xe/xe_vm.h b/drivers/gpu/drm/xe/xe_vm.h
index 372f26153209..bb2996856841 100644
--- a/drivers/gpu/drm/xe/xe_vm.h
+++ b/drivers/gpu/drm/xe/xe_vm.h
@@ -124,6 +124,12 @@ int xe_vma_userptr_pin_pages(struct xe_vma *vma);
int xe_vma_userptr_check_repin(struct xe_vma *vma);
+static inline void xe_vm_queue_rebind_worker(struct xe_vm *vm)
+{
+ XE_WARN_ON(!xe_vm_in_compute_mode(vm));
+ queue_work(vm->xe->ordered_wq, &vm->preempt.rebind_work);
+}
+
/*
* XE_ONSTACK_TV is used to size the tv_onstack array that is input
* to xe_vm_lock_dma_resv() and xe_vm_unlock_dma_resv().