Interesting. Does this actually work on Carrizo or Kaveri? I'd like to
see any Thunk changes needed to support this before giving my R-b. For
now this patch is
Acked-by: Felix Kuehling <Felix.Kuehling@xxxxxxx>
Am 2020-08-18 um 9:09 a.m. schrieb Huang Rui:
> We already support the fallback path, so it doesn't need IOMMU v2 flag
> anymore.
>
> Signed-off-by: Huang Rui <ray.huang@xxxxxxx>
> ---
> drivers/gpu/drm/amd/amdkfd/kfd_device.c | 6 ------
> 1 file changed, 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
> index dab44951c4d8..731f7fdfe9d2 100644
> --- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c
> +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
> @@ -48,13 +48,11 @@ extern const struct kfd2kgd_calls arcturus_kfd2kgd;
> extern const struct kfd2kgd_calls gfx_v10_kfd2kgd;
>
> static const struct kfd2kgd_calls *kfd2kgd_funcs[] = {
> -#ifdef KFD_SUPPORT_IOMMU_V2
> #ifdef CONFIG_DRM_AMDGPU_CIK
> [CHIP_KAVERI] = &gfx_v7_kfd2kgd,
> #endif
> [CHIP_CARRIZO] = &gfx_v8_kfd2kgd,
> [CHIP_RAVEN] = &gfx_v9_kfd2kgd,
> -#endif
> #ifdef CONFIG_DRM_AMDGPU_CIK
> [CHIP_HAWAII] = &gfx_v7_kfd2kgd,
> #endif
> @@ -74,7 +72,6 @@ static const struct kfd2kgd_calls *kfd2kgd_funcs[] = {
> [CHIP_NAVI14] = &gfx_v10_kfd2kgd,
> };
>
> -#ifdef KFD_SUPPORT_IOMMU_V2
> static const struct kfd_device_info kaveri_device_info = {
> .asic_family = CHIP_KAVERI,
> .asic_name = "kaveri",
> @@ -112,7 +109,6 @@ static const struct kfd_device_info carrizo_device_info = {
> .num_xgmi_sdma_engines = 0,
> .num_sdma_queues_per_engine = 2,
> };
> -#endif
>
> static const struct kfd_device_info raven_device_info = {
> .asic_family = CHIP_RAVEN,
> @@ -460,11 +456,9 @@ static const struct kfd_device_info navi14_device_info = {
>
> /* For each entry, [0] is regular and [1] is virtualisation device. */
> static const struct kfd_device_info *kfd_supported_devices[][2] = {
> -#ifdef KFD_SUPPORT_IOMMU_V2
> [CHIP_KAVERI] = {&kaveri_device_info, NULL},
> [CHIP_CARRIZO] = {&carrizo_device_info, NULL},
> [CHIP_RAVEN] = {&raven_device_info, NULL},
> -#endif
> [CHIP_HAWAII] = {&hawaii_device_info, NULL},
> [CHIP_TONGA] = {&tonga_device_info, NULL},
> [CHIP_FIJI] = {&fiji_device_info, &fiji_vf_device_info},
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