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Acked-by: Alex Deucher <alexander.deucher@xxxxxxx> From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> on behalf of Kent Russell <kent.russell@xxxxxxx>
Sent: Wednesday, September 26, 2018 9:41:52 AM To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx Cc: Russell, Kent; Liu, Shaoyun Subject: [PATCH] drm/amdkfd: Remove the requirement for atomic Ops on vg20 From: Shaoyun Liu <Shaoyun.Liu@xxxxxxx>
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. Change-Id: I89395b099fe0931b9b3627651b512dde3149fadd Signed-off-by: Shaoyun Liu <Shaoyun.Liu@xxxxxxx> Signed-off-by: Kent Russell <kent.russell@xxxxxxx> --- 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 b0c2afb..b505bf3 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c @@ -263,7 +263,7 @@ 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, }; -- 2.7.4 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx |
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