diff options
| author | Shaoyun Liu <Shaoyun.Liu@amd.com> | 2018-06-18 14:47:21 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-09-27 09:39:57 -0500 |
| commit | 006a0b3d86e7cee0e38d0543c7a6e5dbbf12025e (patch) | |
| tree | e0f61101cb9356542e41747d8644ddd68fb2703c /drivers/gpu/drm/amd/amdkfd | |
| parent | d30e63b159b0a77fb14fd6e8f86f20115baaeb1a (diff) | |
| download | linux-stable-006a0b3d86e7cee0e38d0543c7a6e5dbbf12025e.tar.gz | |
drm/amdkfd: Remove the requirement for atomic Ops on vg20
Firmware have the workaround to replace the atomic Ops with read-modify-write on CP side.
User should not expect atomic Ops on system memory works normally if system didn't not
support it.
Signed-off-by: Shaoyun Liu <Shaoyun.Liu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-By: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_device.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c index cb96bdfc8f3e..a9f18ea7e354 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c @@ -247,7 +247,7 @@ static const struct kfd_device_info vega20_device_info = { .mqd_size_aligned = MQD_SIZE_ALIGNED, .supports_cwsr = true, .needs_iommu_device = false, - .needs_pci_atomics = true, + .needs_pci_atomics = false, .num_sdma_engines = 2, .num_sdma_queues_per_engine = 8, }; |