Re: [PATCH] drm/amdkfd: PCIe atomics required for gfx10

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Am 2020-12-16 um 5:34 p.m. schrieb Harish Kasiviswanathan:
> Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@xxxxxxx>
> Change-Id: Ic139a8b9c8bef1df183804e543103be206405dca

Please add a patch description (what type of problem does this fix) and
remove the "Change-Id". To stop git from adding one automatically in the
commit-msg hook, I think this should do the trick:

    git config gerrit.createChangeId false

For VanGogh I don't think we need PCIe atomics. That's an APU, so system
memory access doesn't actually go through PCIe.

With that fixed, the patch is

Reviewed-by: Felix Kuehling <Felix.Kuehling@xxxxxxx>

Thanks,
  Felix


> ---
>  drivers/gpu/drm/amd/amdkfd/kfd_device.c | 14 +++++++-------
>  1 file changed, 7 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
> index 50922ff2927b..0e1838637c54 100644
> --- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c
> +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
> @@ -422,7 +422,7 @@ static const struct kfd_device_info navi10_device_info = {
>  	.mqd_size_aligned = MQD_SIZE_ALIGNED,
>  	.needs_iommu_device = false,
>  	.supports_cwsr = true,
> -	.needs_pci_atomics = false,
> +	.needs_pci_atomics = true,
>  	.num_sdma_engines = 2,
>  	.num_xgmi_sdma_engines = 0,
>  	.num_sdma_queues_per_engine = 8,
> @@ -440,7 +440,7 @@ static const struct kfd_device_info navi12_device_info = {
>  	.mqd_size_aligned = MQD_SIZE_ALIGNED,
>  	.needs_iommu_device = false,
>  	.supports_cwsr = true,
> -	.needs_pci_atomics = false,
> +	.needs_pci_atomics = true,
>  	.num_sdma_engines = 2,
>  	.num_xgmi_sdma_engines = 0,
>  	.num_sdma_queues_per_engine = 8,
> @@ -458,7 +458,7 @@ static const struct kfd_device_info navi14_device_info = {
>  	.mqd_size_aligned = MQD_SIZE_ALIGNED,
>  	.needs_iommu_device = false,
>  	.supports_cwsr = true,
> -	.needs_pci_atomics = false,
> +	.needs_pci_atomics = true,
>  	.num_sdma_engines = 2,
>  	.num_xgmi_sdma_engines = 0,
>  	.num_sdma_queues_per_engine = 8,
> @@ -476,7 +476,7 @@ static const struct kfd_device_info sienna_cichlid_device_info = {
>  	.mqd_size_aligned = MQD_SIZE_ALIGNED,
>  	.needs_iommu_device = false,
>  	.supports_cwsr = true,
> -	.needs_pci_atomics = false,
> +	.needs_pci_atomics = true,
>  	.num_sdma_engines = 4,
>  	.num_xgmi_sdma_engines = 0,
>  	.num_sdma_queues_per_engine = 8,
> @@ -494,7 +494,7 @@ static const struct kfd_device_info navy_flounder_device_info = {
>  	.mqd_size_aligned = MQD_SIZE_ALIGNED,
>  	.needs_iommu_device = false,
>  	.supports_cwsr = true,
> -	.needs_pci_atomics = false,
> +	.needs_pci_atomics = true,
>  	.num_sdma_engines = 2,
>  	.num_xgmi_sdma_engines = 0,
>  	.num_sdma_queues_per_engine = 8,
> @@ -512,7 +512,7 @@ static const struct kfd_device_info vangogh_device_info = {
>  	.mqd_size_aligned = MQD_SIZE_ALIGNED,
>  	.needs_iommu_device = false,
>  	.supports_cwsr = true,
> -	.needs_pci_atomics = false,
> +	.needs_pci_atomics = true,
>  	.num_sdma_engines = 1,
>  	.num_xgmi_sdma_engines = 0,
>  	.num_sdma_queues_per_engine = 2,
> @@ -530,7 +530,7 @@ static const struct kfd_device_info dimgrey_cavefish_device_info = {
>  	.mqd_size_aligned = MQD_SIZE_ALIGNED,
>  	.needs_iommu_device = false,
>  	.supports_cwsr = true,
> -	.needs_pci_atomics = false,
> +	.needs_pci_atomics = true,
>  	.num_sdma_engines = 2,
>  	.num_xgmi_sdma_engines = 0,
>  	.num_sdma_queues_per_engine = 8,
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