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* [PATCH] drm/amdkfd: enable heavy-weight TLB flush on Vega20
@ 2022-01-21 16:16 Eric Huang
  2022-01-24 20:07 ` Alex Deucher
  0 siblings, 1 reply; 4+ messages in thread
From: Eric Huang @ 2022-01-21 16:16 UTC (permalink / raw)
  To: amd-gfx; +Cc: Eric Huang

It is to meet the requirement for memory allocation
optimization on MI50.

Signed-off-by: Eric Huang <jinhuieric.huang@amd.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
index 5b8ae0795c0a..d708f1a502cf 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -1582,7 +1582,8 @@ static int kfd_ioctl_free_memory_of_gpu(struct file *filep,
 static bool kfd_flush_tlb_after_unmap(struct kfd_dev *dev) {
 	return KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 2) ||
 	       (KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 1) &&
-	        dev->adev->sdma.instance[0].fw_version >= 18);
+	        dev->adev->sdma.instance[0].fw_version >= 18) ||
+	        KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 0);
 }
 
 static int kfd_ioctl_map_memory_to_gpu(struct file *filep,
-- 
2.25.1


^ permalink raw reply related	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2022-02-07 15:00 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2022-01-21 16:16 [PATCH] drm/amdkfd: enable heavy-weight TLB flush on Vega20 Eric Huang
2022-01-24 20:07 ` Alex Deucher
2022-02-07 13:01   ` Chen, Guchun
2022-02-07 15:00     ` Eric Huang

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