From 2de577767c1cd9f5a3d2a2484e6e94609c8213de Mon Sep 17 00:00:00 2001 From: Shaoyun Liu Date: Wed, 26 Apr 2017 16:42:42 -0400 Subject: [PATCH 1690/4131] drm/amdkfd: KFD use the new invalidate_tlbs interface for TLB invalidation Change-Id: I58a15b411a00c17471c00f4e8217097177797305 Signed-off-by: Shaoyun Liu --- drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c | 28 +--------------------------- 1 file changed, 1 insertion(+), 27 deletions(-) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c b/drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c index 1c1ec21..2fa5d32 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c @@ -425,32 +425,6 @@ int kfd_init_apertures(struct kfd_process *process) void kfd_flush_tlb(struct kfd_dev *dev, uint32_t pasid) { - uint8_t vmid; - int first_vmid_to_scan = 8; - int last_vmid_to_scan = 15; - const struct kfd2kgd_calls *f2g = dev->kfd2kgd; - /* Scan all registers in the range ATC_VMID8_PASID_MAPPING .. ATC_VMID15_PASID_MAPPING - * to check which VMID the current process is mapped to - * and flush TLB for this VMID if found*/ - if (dev->device_info->asic_family >= CHIP_VEGA10) - spin_lock(&dev->tlb_invalidation_lock); - - for (vmid = first_vmid_to_scan; vmid <= last_vmid_to_scan; vmid++) { - if (f2g->get_atc_vmid_pasid_mapping_valid( - dev->kgd, vmid)) { - if (f2g->get_atc_vmid_pasid_mapping_pasid( - dev->kgd, vmid) == pasid) { - dev_dbg(kfd_device, - "flushing TLB of vmid %u", vmid); - f2g->write_vmid_invalidate_request( - dev->kgd, vmid); - break; - } - } - } - - if (dev->device_info->asic_family >= CHIP_VEGA10) - spin_unlock(&dev->tlb_invalidation_lock); - + f2g->invalidate_tlbs(dev->kgd, pasid); } -- 2.7.4