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From 98944f333d3615dfb7d626ded5a8237fecc692cc Mon Sep 17 00:00:00 2001
From: Yong Zhao <yong.zhao@amd.com>
Date: Fri, 12 Jan 2018 14:40:06 -0500
Subject: [PATCH 3132/4131] drm/amdkfd: Disable Raven KFD support on pre-4.16
kernel
Because some important IOMMU driver fixes were only available after
kernel 4.16, we should do so.
Change-Id: Ibf4e33ce8da3a9731dbcbb1ced9c8d0639424d34
Signed-off-by: Yong Zhao <yong.zhao@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
index f88e8d9..db55846 100755
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
@@ -98,6 +98,12 @@ void amdgpu_amdkfd_device_probe(struct amdgpu_device *adev)
break;
case CHIP_VEGA10:
case CHIP_RAVEN:
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 16, 0)
+ if (adev->asic_type == CHIP_RAVEN) {
+ dev_dbg(adev->dev, "DKMS installed kfd does not support Raven for kernel < 4.16\n");
+ return;
+ }
+#endif
kfd2kgd = amdgpu_amdkfd_gfx_9_0_get_functions();
break;
default:
--
2.7.4
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