On 2023-11-08 12:25, David Yat Sin wrote:
Change local memory type to MTYPE_UC on revision id 0 Signed-off-by: David Yat Sin <David.YatSin@xxxxxxx>
Reviewed-by: Felix Kuehling <Felix.Kuehling@xxxxxxx>
--- drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 7 +++++-- drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 8 +++++--- 2 files changed, 10 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index b66c5f7e1c56..5ecddd08c363 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -1176,7 +1176,10 @@ static void gmc_v9_0_get_coherence_flags(struct amdgpu_device *adev, if (uncached) { mtype = MTYPE_UC; } else if (ext_coherent) { - mtype = is_local ? MTYPE_CC : MTYPE_UC; + if (adev->rev_id) + mtype = is_local ? MTYPE_CC : MTYPE_UC; + else + mtype = MTYPE_UC; } else if (adev->flags & AMD_IS_APU) { mtype = is_local ? mtype_local : MTYPE_NC; } else { @@ -1297,7 +1300,7 @@ static void gmc_v9_0_override_vm_pte_flags(struct amdgpu_device *adev,*flags = (*flags & ~AMDGPU_PTE_MTYPE_VG10_MASK) |AMDGPU_PTE_MTYPE_VG10(mtype_local); - } else { + } else if (adev->rev_id) { /* MTYPE_UC case */ *flags = (*flags & ~AMDGPU_PTE_MTYPE_VG10_MASK) | AMDGPU_PTE_MTYPE_VG10(MTYPE_CC); diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c index fe937670c927..b23ba92a794c 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c @@ -1253,9 +1253,11 @@ svm_range_get_pte_flags(struct kfd_node *node, } break; case IP_VERSION(9, 4, 3): - mtype_local = amdgpu_mtype_local == 1 ? AMDGPU_VM_MTYPE_NC : - (amdgpu_mtype_local == 2 || ext_coherent ? - AMDGPU_VM_MTYPE_CC : AMDGPU_VM_MTYPE_RW); + if (ext_coherent) + mtype_local = node->adev->rev_id ? AMDGPU_VM_MTYPE_CC : AMDGPU_VM_MTYPE_UC; + else + mtype_local = amdgpu_mtype_local == 1 ? AMDGPU_VM_MTYPE_NC : + amdgpu_mtype_local == 2 ? AMDGPU_VM_MTYPE_CC : AMDGPU_VM_MTYPE_RW; snoop = true; if (uncached) { mapping_flags |= AMDGPU_VM_MTYPE_UC;
