Commit 1790b649 authored by Eric Huang's avatar Eric Huang Committed by Alex Deucher
Browse files

drm/amdkfd: enable heavy-weight TLB flush on Vega20 



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

Signed-off-by: default avatarEric Huang <jinhuieric.huang@amd.com>
Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 039cacd2

drivers/gpu/drm/amd/amdkfd/kfd_chardev.c

+2 −1
Original line number Diff line number Diff line
@@ -1419,7 +1419,8 @@ 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,