Re: [PATCH] drm/amdkfd: enable heavy-weight TLB flush on Arcturus

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The SDMA fix is generic and not in a specific version of FW, so we don't have to check.

Thanks,
Eric

On 2022-01-18 11:35, Alex Deucher wrote:
On Tue, Jan 18, 2022 at 11:16 AM Eric Huang <jinhuieric.huang@xxxxxxx> wrote:
SDMA FW fixes the hang issue for adding heavy-weight TLB
flush on Arcturus, so we can enable it.
Do we need to check for a specific fw version?

Alex

Signed-off-by: Eric Huang <jinhuieric.huang@xxxxxxx>
---
  drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 8 +++++---
  drivers/gpu/drm/amd/amdkfd/kfd_chardev.c         | 3 ++-
  2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
index a64cbbd943ba..7b24a920c12e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
@@ -1892,10 +1892,12 @@ int amdgpu_amdkfd_gpuvm_map_memory_to_gpu(
                                 true);
         ret = unreserve_bo_and_vms(&ctx, false, false);

-       /* Only apply no TLB flush on Aldebaran to
-        * workaround regressions on other Asics.
+       /* Only apply no TLB flush on Aldebaran and Arcturus
+        * to workaround regressions on other Asics.
          */
-       if (table_freed && (adev->asic_type != CHIP_ALDEBARAN))
+       if (table_freed &&
+           (adev->asic_type != CHIP_ALDEBARAN) &&
+           (adev->asic_type != CHIP_ARCTURUS))
                 *table_freed = true;

         goto out;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
index b570c0454ce9..ef4d676cc71c 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -1806,7 +1806,8 @@ static int kfd_ioctl_unmap_memory_from_gpu(struct file *filep,
         }
         mutex_unlock(&p->mutex);

-       if (KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 2)) {
+       if (KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 2) ||
+           KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 1)) {
                 err = amdgpu_amdkfd_gpuvm_sync_memory(dev->adev,
                                 (struct kgd_mem *) mem, true);
                 if (err) {
--
2.25.1





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