From bfe07c9a68824785065640a81dbf86d51ffddae5 Mon Sep 17 00:00:00 2001 From: Shaoyun Liu Date: Mon, 18 Jun 2018 14:47:21 -0400 Subject: [PATCH 2700/2940] 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 Acked-by: Alex Deucher Reviewed-By: Felix Kuehling Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdkfd/kfd_device.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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, }; -- 2.17.1