From: Oak Zeng <Oak.Zeng@xxxxxxx> Set snooped PTE flag according to mapping flag. Write request to a page with snooped bit set, will send out invalidate probe request to TCC of the remote GPU where the vram page resides. Change-Id: I799f68ec7a5a1abf32075f5ef31051641a0b3736 Signed-off-by: Oak Zeng <Oak.Zeng@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index 9aafcda6c488..8a7c4ec69ae8 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -604,6 +604,9 @@ static uint64_t gmc_v9_0_get_vm_pte_flags(struct amdgpu_device *adev, if (flags & AMDGPU_VM_PAGE_PRT) pte_flag |= AMDGPU_PTE_PRT; + if (flags & AMDGPU_VM_PAGE_INVALIDATE_PROBE) + pte_flag |= AMDGPU_PTE_SNOOPED; + return pte_flag; } -- 2.17.1 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx
