From: Lijo Lazar Date: Fri, 16 May 2025 14:46:57 +0000 (+0530) Subject: drm/amd/pm: Use external link order for xgmi data X-Git-Tag: v6.16-rc1~33^2~6^2~44 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=74956242a0dfe4ef7fef0f9a4e8f7ea7415be97b;p=thirdparty%2Flinux.git drm/amd/pm: Use external link order for xgmi data xgmi_port_num interface reports external link number for port number. To be consistent, use the external link number for reporting other XGMI link data also. v2: For invalid link number return -EINVAL (Kevin) Signed-off-by: Lijo Lazar Acked-by: Yang Wang Acked-by: Alex Deucher Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c index f51ef4cf16e0..d9ad37711c3e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c @@ -294,6 +294,23 @@ static const struct amdgpu_pcs_ras_field xgmi3x16_pcs_ras_fields[] = { SOC15_REG_FIELD(PCS_XGMI3X16_PCS_ERROR_STATUS, RxCMDPktErr)}, }; +int amdgpu_xgmi_get_ext_link(struct amdgpu_device *adev, int link_num) +{ + int link_map_6_4_x[8] = { 0, 3, 1, 2, 7, 6, 4, 5 }; + + switch (amdgpu_ip_version(adev, XGMI_HWIP, 0)) { + case IP_VERSION(6, 4, 0): + case IP_VERSION(6, 4, 1): + if (link_num < ARRAY_SIZE(link_map_6_4_x)) + return link_map_6_4_x[link_num]; + break; + default: + return -EINVAL; + } + + return -EINVAL; +} + static u32 xgmi_v6_4_get_link_status(struct amdgpu_device *adev, int global_link_num) { const u32 smn_xgmi_6_4_pcs_state_hist1[2] = { 0x11a00070, 0x11b00070 }; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h index 32dabba4062f..f994be985f42 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h @@ -125,6 +125,7 @@ int amdgpu_xgmi_request_nps_change(struct amdgpu_device *adev, int req_nps_mode); int amdgpu_get_xgmi_link_status(struct amdgpu_device *adev, int global_link_num); +int amdgpu_xgmi_get_ext_link(struct amdgpu_device *adev, int link_num); void amdgpu_xgmi_early_init(struct amdgpu_device *adev); uint32_t amdgpu_xgmi_get_max_bandwidth(struct amdgpu_device *adev); diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_12_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_12_ppt.c index 533d58e57d05..5a8824cc1c63 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_12_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_12_ppt.c @@ -416,13 +416,16 @@ ssize_t smu_v13_0_12_get_gpu_metrics(struct smu_context *smu, void **table) gpu_metrics->mem_activity_acc = SMUQ10_ROUND(metrics->DramBandwidthUtilizationAcc); for (i = 0; i < NUM_XGMI_LINKS; i++) { - gpu_metrics->xgmi_read_data_acc[i] = + j = amdgpu_xgmi_get_ext_link(adev, i); + if (j < 0 || j >= NUM_XGMI_LINKS) + continue; + gpu_metrics->xgmi_read_data_acc[j] = SMUQ10_ROUND(metrics->XgmiReadDataSizeAcc[i]); - gpu_metrics->xgmi_write_data_acc[i] = + gpu_metrics->xgmi_write_data_acc[j] = SMUQ10_ROUND(metrics->XgmiWriteDataSizeAcc[i]); ret = amdgpu_get_xgmi_link_status(adev, i); if (ret >= 0) - gpu_metrics->xgmi_link_status[i] = ret; + gpu_metrics->xgmi_link_status[j] = ret; } gpu_metrics->num_partition = adev->xcp_mgr->num_xcps; diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c index 615fd3771ae3..78d831c20768 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c @@ -2788,13 +2788,16 @@ static ssize_t smu_v13_0_6_get_gpu_metrics(struct smu_context *smu, void **table SMUQ10_ROUND(GET_METRIC_FIELD(DramBandwidthUtilizationAcc, version)); for (i = 0; i < NUM_XGMI_LINKS; i++) { - gpu_metrics->xgmi_read_data_acc[i] = - SMUQ10_ROUND(GET_METRIC_FIELD(XgmiReadDataSizeAcc, version)[i]); - gpu_metrics->xgmi_write_data_acc[i] = - SMUQ10_ROUND(GET_METRIC_FIELD(XgmiWriteDataSizeAcc, version)[i]); + j = amdgpu_xgmi_get_ext_link(adev, i); + if (j < 0 || j >= NUM_XGMI_LINKS) + continue; + gpu_metrics->xgmi_read_data_acc[j] = SMUQ10_ROUND( + GET_METRIC_FIELD(XgmiReadDataSizeAcc, version)[i]); + gpu_metrics->xgmi_write_data_acc[j] = SMUQ10_ROUND( + GET_METRIC_FIELD(XgmiWriteDataSizeAcc, version)[i]); ret = amdgpu_get_xgmi_link_status(adev, i); if (ret >= 0) - gpu_metrics->xgmi_link_status[i] = ret; + gpu_metrics->xgmi_link_status[j] = ret; } gpu_metrics->num_partition = adev->xcp_mgr->num_xcps;