drm/amdkfd: PCIe atomics required for gfx10

GFX10 CP firmware expects PCIe atomics support. Don't enumerate GFX10
devices on platforms (PCIe v2) that don't support PCIe atomics.

Currently, some of the applications like clinfo soft hangs on platforms
without PCIe atomics support.

Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
index 50922ff..72c893f 100644 (file)
--- 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,
@@ -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,