blob: b211b9920646c0fcbb8d9fc879aa43cde49b9109 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
From 7ee7393d40c3765ce8adfe51ff7864b1da0aa6ee Mon Sep 17 00:00:00 2001
From: Shaoyun Liu <Shaoyun.Liu@amd.com>
Date: Wed, 26 Apr 2017 16:42:42 -0400
Subject: [PATCH 1280/4131] drm/amdkfd: KFD use the new invalidate_tlbs
interface for TLB invalidation
Change-Id: I58a15b411a00c17471c00f4e8217097177797305
Signed-off-by: Shaoyun Liu <Shaoyun.Liu@amd.com>
---
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
|
