Commit 23c098b5 authored by Harish Kasiviswanathan's avatar Harish Kasiviswanathan Committed by Alex Deucher
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drm/amdgpu: Set atomics to true for xgmi 



xgmi support atomics between links. Set them to true. This only set for
GFX12 onwards to avoid regression on older generations

v2: Use correct xgmi flag that indicates CPU connection

Signed-off-by: default avatarHarish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Reviewed-by: default avatarFelix Kuehling <felix.kuehling@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 09da66f1

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

+4 −3
Original line number Diff line number Diff line
@@ -4615,9 +4615,10 @@ int amdgpu_device_init(struct amdgpu_device *adev, 
	/* APUs w/ gfx9 onwards doesn't reply on PCIe atomics, rather it is a

	 * internal path natively support atomics, set have_atomics_support to true.

	 */

	} else if ((adev->flags & AMD_IS_APU) &&

		   (amdgpu_ip_version(adev, GC_HWIP, 0) >

		    IP_VERSION(9, 0, 0))) {

	} else if ((adev->flags & AMD_IS_APU &&

		   amdgpu_ip_version(adev, GC_HWIP, 0) > IP_VERSION(9, 0, 0)) ||

		   (adev->gmc.xgmi.connected_to_cpu &&

		   amdgpu_ip_version(adev, GC_HWIP, 0) >= IP_VERSION(12, 1, 0))) {

		adev->have_atomics_support = true;

	} else {

		adev->have_atomics_support =