Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/amdgpu: Add GFXHUB v1.2 XCP funcs
Add functions required for suspend/resume of GFXHUB instances which are
part of an XCP.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
authored by
Lijo Lazar
and committed by
Alex Deucher
dfdd6f89
8e7fd193
+35
+35
drivers/gpu/drm/amd/amdgpu/gfxhub_v1_2.c
+35
drivers/gpu/drm/amd/amdgpu/gfxhub_v1_2.c
···
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*
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*/
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#include "amdgpu.h"
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#include "amdgpu_xcp.h"
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#include "gfxhub_v1_2.h"
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#include "gfxhub_v1_1.h"
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···
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.set_fault_enable_default = gfxhub_v1_2_set_fault_enable_default,
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.init = gfxhub_v1_2_init,
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.get_xgmi_info = gfxhub_v1_2_get_xgmi_info,
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};
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static int gfxhub_v1_2_xcp_resume(void *handle, uint32_t inst_mask)
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{
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struct amdgpu_device *adev = (struct amdgpu_device *)handle;
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bool value;
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int ret;
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if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS)
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value = false;
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else
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value = true;
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gfxhub_v1_2_xcc_set_fault_enable_default(adev, value, inst_mask);
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if (!amdgpu_sriov_vf(adev))
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ret = gfxhub_v1_2_xcc_gart_enable(adev, inst_mask);
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return ret;
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}
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static int gfxhub_v1_2_xcp_suspend(void *handle, uint32_t inst_mask)
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{
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struct amdgpu_device *adev = (struct amdgpu_device *)handle;
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if (!amdgpu_sriov_vf(adev))
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gfxhub_v1_2_xcc_gart_disable(adev, inst_mask);
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return 0;
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}
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struct amdgpu_xcp_ip_funcs gfxhub_v1_2_xcp_funcs = {
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.suspend = &gfxhub_v1_2_xcp_suspend,
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.resume = &gfxhub_v1_2_xcp_resume
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};