diff options
Diffstat (limited to 'drivers/gpu/drm/drm_gpusvm.c')
| -rw-r--r-- | drivers/gpu/drm/drm_gpusvm.c | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/drivers/gpu/drm/drm_gpusvm.c b/drivers/gpu/drm/drm_gpusvm.c index eeeeb99cfdf6..cb906765897e 100644 --- a/drivers/gpu/drm/drm_gpusvm.c +++ b/drivers/gpu/drm/drm_gpusvm.c @@ -361,7 +361,6 @@ static const struct mmu_interval_notifier_ops drm_gpusvm_notifier_ops = { * @name: Name of the GPU SVM. * @drm: Pointer to the DRM device structure. * @mm: Pointer to the mm_struct for the address space. - * @device_private_page_owner: Device private pages owner. * @mm_start: Start address of GPU SVM. * @mm_range: Range of the GPU SVM. * @notifier_size: Size of individual notifiers. @@ -383,7 +382,7 @@ static const struct mmu_interval_notifier_ops drm_gpusvm_notifier_ops = { */ int drm_gpusvm_init(struct drm_gpusvm *gpusvm, const char *name, struct drm_device *drm, - struct mm_struct *mm, void *device_private_page_owner, + struct mm_struct *mm, unsigned long mm_start, unsigned long mm_range, unsigned long notifier_size, const struct drm_gpusvm_ops *ops, @@ -395,15 +394,13 @@ int drm_gpusvm_init(struct drm_gpusvm *gpusvm, mmgrab(mm); } else { /* No full SVM mode, only core drm_gpusvm_pages API. */ - if (ops || num_chunks || mm_range || notifier_size || - device_private_page_owner) + if (ops || num_chunks || mm_range || notifier_size) return -EINVAL; } gpusvm->name = name; gpusvm->drm = drm; gpusvm->mm = mm; - gpusvm->device_private_page_owner = device_private_page_owner; gpusvm->mm_start = mm_start; gpusvm->mm_range = mm_range; gpusvm->notifier_size = notifier_size; @@ -684,6 +681,7 @@ static unsigned int drm_gpusvm_hmm_pfn_to_order(unsigned long hmm_pfn, * @notifier: Pointer to the GPU SVM notifier structure * @start: Start address * @end: End address + * @dev_private_owner: The device private page owner * * Check if pages between start and end have been faulted in on the CPU. Use to * prevent migration of pages without CPU backing store. @@ -692,14 +690,15 @@ static unsigned int drm_gpusvm_hmm_pfn_to_order(unsigned long hmm_pfn, */ static bool drm_gpusvm_check_pages(struct drm_gpusvm *gpusvm, struct drm_gpusvm_notifier *notifier, - unsigned long start, unsigned long end) + unsigned long start, unsigned long end, + void *dev_private_owner) { struct hmm_range hmm_range = { .default_flags = 0, .notifier = ¬ifier->notifier, .start = start, .end = end, - .dev_private_owner = gpusvm->device_private_page_owner, + .dev_private_owner = dev_private_owner, }; unsigned long timeout = jiffies + msecs_to_jiffies(HMM_RANGE_DEFAULT_TIMEOUT); @@ -753,6 +752,7 @@ err_free: * @gpuva_start: Start address of GPUVA which mirrors CPU * @gpuva_end: End address of GPUVA which mirrors CPU * @check_pages_threshold: Check CPU pages for present threshold + * @dev_private_owner: The device private page owner * * This function determines the chunk size for the GPU SVM range based on the * fault address, GPU SVM chunk sizes, existing GPU SVM ranges, and the virtual @@ -767,7 +767,8 @@ drm_gpusvm_range_chunk_size(struct drm_gpusvm *gpusvm, unsigned long fault_addr, unsigned long gpuva_start, unsigned long gpuva_end, - unsigned long check_pages_threshold) + unsigned long check_pages_threshold, + void *dev_private_owner) { unsigned long start, end; int i = 0; @@ -814,7 +815,7 @@ retry: * process-many-malloc' mallocs at least 64k at a time. */ if (end - start <= check_pages_threshold && - !drm_gpusvm_check_pages(gpusvm, notifier, start, end)) { + !drm_gpusvm_check_pages(gpusvm, notifier, start, end, dev_private_owner)) { ++i; goto retry; } @@ -957,7 +958,8 @@ drm_gpusvm_range_find_or_insert(struct drm_gpusvm *gpusvm, chunk_size = drm_gpusvm_range_chunk_size(gpusvm, notifier, vas, fault_addr, gpuva_start, gpuva_end, - ctx->check_pages_threshold); + ctx->check_pages_threshold, + ctx->device_private_page_owner); if (chunk_size == LONG_MAX) { err = -EINVAL; goto err_notifier_remove; @@ -1268,7 +1270,7 @@ int drm_gpusvm_get_pages(struct drm_gpusvm *gpusvm, .notifier = notifier, .start = pages_start, .end = pages_end, - .dev_private_owner = gpusvm->device_private_page_owner, + .dev_private_owner = ctx->device_private_page_owner, }; void *zdd; unsigned long timeout = |