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drm/amdgpu: Add GFXHUB v1.2 XCP funcs

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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>
This commit is contained in:
Lijo Lazar 2022-09-23 15:20:08 +05:30 • committed by Alex Deucher
parent 8e7fd19380
commit dfdd6f89c4
1 changed files with 35 additions and 0 deletions
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35
drivers/gpu/drm/amd/amdgpu/gfxhub_v1_2.c
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@ -21,6 +21,7 @@
*
*/
#include "amdgpu.h"
#include "amdgpu_xcp.h"
#include "gfxhub_v1_2.h"
#include "gfxhub_v1_1.h"
@ -638,3 +639,37 @@ const struct amdgpu_gfxhub_funcs gfxhub_v1_2_funcs = {
.init = gfxhub_v1_2_init,
.get_xgmi_info = gfxhub_v1_2_get_xgmi_info,
};
static int gfxhub_v1_2_xcp_resume(void *handle, uint32_t inst_mask)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
bool value;
int ret;
if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS)
value = false;
else
value = true;
gfxhub_v1_2_xcc_set_fault_enable_default(adev, value, inst_mask);
if (!amdgpu_sriov_vf(adev))
ret = gfxhub_v1_2_xcc_gart_enable(adev, inst_mask);
return ret;
}
static int gfxhub_v1_2_xcp_suspend(void *handle, uint32_t inst_mask)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
if (!amdgpu_sriov_vf(adev))
gfxhub_v1_2_xcc_gart_disable(adev, inst_mask);
return 0;
}
struct amdgpu_xcp_ip_funcs gfxhub_v1_2_xcp_funcs = {
.suspend = &gfxhub_v1_2_xcp_suspend,
.resume = &gfxhub_v1_2_xcp_resume
};