From: Lijo Lazar <lijo.lazar@xxxxxxx>
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@xxxxxxx>
Reviewed-by: Le Ma <le.ma@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 14 +++++++++++
drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c | 32 +++++++++++++++++++-----
2 files changed, 40 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 65b3aeef37ed..4ecaff14f2b3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1404,6 +1404,12 @@ 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
@@ -1423,6 +1429,8 @@ 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);
@@ -1435,6 +1443,12 @@ 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) { }
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
index 26efca660f0d..7150c09933cf 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
@@ -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
*
--
2.40.1
