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drm/amdgpu: Add API to get numa information of XCC

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Add interface to get numa information of ACPI XCC object. The interface
uses logical id to identify an XCC.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Le Ma <le.ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar 2023-02-14 18:59:40 +05:30 committed by Alex Deucher
parent 1cc823011a
commit fa0497c34e
2 changed files with 40 additions and 6 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

14
drivers/gpu/drm/amd/amdgpu/amdgpu.h
View file

@ -1383,6 +1383,12 @@ struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock);
/* amdgpu_acpi.c */
struct amdgpu_numa_info {
uint64_t size;
int pxm;
int nid;
};
/* ATCS Device/Driver State */
#define AMDGPU_ATCS_PSC_DEV_STATE_D0 0
#define AMDGPU_ATCS_PSC_DEV_STATE_D3_HOT 3
@ -1402,6 +1408,8 @@ int amdgpu_acpi_smart_shift_update(struct drm_device *dev, enum amdgpu_ss ss_sta
int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev);
int amdgpu_acpi_get_tmr_info(struct amdgpu_device *adev, u64 *tmr_offset,
u64 *tmr_size);
int amdgpu_acpi_get_mem_info(struct amdgpu_device *adev, int xcc_id,
struct amdgpu_numa_info *numa_info);
void amdgpu_acpi_get_backlight_caps(struct amdgpu_dm_backlight_caps *caps);
bool amdgpu_acpi_should_gpu_reset(struct amdgpu_device *adev);
@ -1414,6 +1422,12 @@ static inline int amdgpu_acpi_get_tmr_info(struct amdgpu_device *adev,
{
return -EINVAL;
}
static inline int amdgpu_acpi_get_mem_info(struct amdgpu_device *adev,
int xcc_id,
struct amdgpu_numa_info *numa_info)
{
return -EINVAL;
}
static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { }
static inline bool amdgpu_acpi_should_gpu_reset(struct amdgpu_device *adev) { return false; }
static inline void amdgpu_acpi_detect(void) { }

32
drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
View file

@ -54,12 +54,6 @@ static const guid_t amd_xcc_dsm_guid = GUID_INIT(0x8267f5d5, 0xa556, 0x44f2,
#define AMD_XCC_MAX_HID 24
struct amdgpu_numa_info {
uint64_t size;
int pxm;
int nid;
};
struct xarray numa_info_xa;
/* Encapsulates the XCD acpi object information */
@ -1156,6 +1150,32 @@ int amdgpu_acpi_get_tmr_info(struct amdgpu_device *adev, u64 *tmr_offset,
return 0;
}
int amdgpu_acpi_get_mem_info(struct amdgpu_device *adev, int xcc_id,
struct amdgpu_numa_info *numa_info)
{
struct amdgpu_acpi_dev_info *dev_info;
struct amdgpu_acpi_xcc_info *xcc_info;
u16 bdf;
if (!numa_info)
return -EINVAL;
bdf = (adev->pdev->bus->number << 8) | adev->pdev->devfn;
dev_info = amdgpu_acpi_get_dev(bdf);
if (!dev_info)
return -ENOENT;
list_for_each_entry(xcc_info, &dev_info->xcc_list, list) {
if (xcc_info->phy_id == xcc_id) {
memcpy(numa_info, xcc_info->numa_info,
sizeof(*numa_info));
return 0;
}
}
return -ENOENT;
}
/**
* amdgpu_acpi_event - handle notify events
*