diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c | 43 |
1 files changed, 29 insertions, 14 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c index 659b385b27b5..8567d5d77346 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c @@ -24,7 +24,6 @@ #include <linux/list.h> #include "amdgpu.h" #include "amdgpu_xgmi.h" -#include "amdgpu_smu.h" #include "amdgpu_ras.h" #include "soc15.h" #include "df/df_3_6_offset.h" @@ -217,7 +216,7 @@ static ssize_t amdgpu_xgmi_show_device_id(struct device *dev, struct drm_device *ddev = dev_get_drvdata(dev); struct amdgpu_device *adev = drm_to_adev(ddev); - return snprintf(buf, PAGE_SIZE, "%llu\n", adev->gmc.xgmi.node_id); + return sysfs_emit(buf, "%llu\n", adev->gmc.xgmi.node_id); } @@ -246,7 +245,7 @@ static ssize_t amdgpu_xgmi_show_error(struct device *dev, adev->df.funcs->set_fica(adev, ficaa_pie_status_in, 0, 0); - return snprintf(buf, PAGE_SIZE, "%u\n", error_count); + return sysfs_emit(buf, "%u\n", error_count); } @@ -468,15 +467,22 @@ int amdgpu_xgmi_update_topology(struct amdgpu_hive_info *hive, struct amdgpu_dev } +/* + * NOTE psp_xgmi_node_info.num_hops layout is as follows: + * num_hops[7:6] = link type (0 = xGMI2, 1 = xGMI3, 2/3 = reserved) + * num_hops[5:3] = reserved + * num_hops[2:0] = number of hops + */ int amdgpu_xgmi_get_hops_count(struct amdgpu_device *adev, struct amdgpu_device *peer_adev) { struct psp_xgmi_topology_info *top = &adev->psp.xgmi_context.top_info; + uint8_t num_hops_mask = 0x7; int i; for (i = 0 ; i < top->num_nodes; ++i) if (top->nodes[i].node_id == peer_adev->gmc.xgmi.node_id) - return top->nodes[i].num_hops; + return top->nodes[i].num_hops & num_hops_mask; return -EINVAL; } @@ -492,7 +498,8 @@ int amdgpu_xgmi_add_device(struct amdgpu_device *adev) if (!adev->gmc.xgmi.supported) return 0; - if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_PSP)) { + if (!adev->gmc.xgmi.pending_reset && + amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_PSP)) { ret = psp_xgmi_initialize(&adev->psp); if (ret) { dev_err(adev->dev, @@ -538,7 +545,8 @@ int amdgpu_xgmi_add_device(struct amdgpu_device *adev) task_barrier_add_task(&hive->tb); - if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_PSP)) { + if (!adev->gmc.xgmi.pending_reset && + amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_PSP)) { list_for_each_entry(tmp_adev, &hive->device_list, gmc.xgmi.head) { /* update node list for other device in the hive */ if (tmp_adev != adev) { @@ -567,7 +575,7 @@ int amdgpu_xgmi_add_device(struct amdgpu_device *adev) } } - if (!ret) + if (!ret && !adev->gmc.xgmi.pending_reset) ret = amdgpu_xgmi_sysfs_add_dev_info(adev, hive); exit_unlock: @@ -620,7 +628,7 @@ int amdgpu_xgmi_remove_device(struct amdgpu_device *adev) return psp_xgmi_terminate(&adev->psp); } -int amdgpu_xgmi_ras_late_init(struct amdgpu_device *adev) +static int amdgpu_xgmi_ras_late_init(struct amdgpu_device *adev) { int r; struct ras_ih_if ih_info = { @@ -634,7 +642,7 @@ int amdgpu_xgmi_ras_late_init(struct amdgpu_device *adev) adev->gmc.xgmi.num_physical_nodes == 0) return 0; - amdgpu_xgmi_reset_ras_error_count(adev); + adev->gmc.xgmi.ras_funcs->reset_ras_error_count(adev); if (!adev->gmc.xgmi.ras_if) { adev->gmc.xgmi.ras_if = kmalloc(sizeof(struct ras_common_if), GFP_KERNEL); @@ -656,7 +664,7 @@ int amdgpu_xgmi_ras_late_init(struct amdgpu_device *adev) return r; } -void amdgpu_xgmi_ras_fini(struct amdgpu_device *adev) +static void amdgpu_xgmi_ras_fini(struct amdgpu_device *adev) { if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__XGMI_WAFL) && adev->gmc.xgmi.ras_if) { @@ -683,7 +691,7 @@ static void pcs_clear_status(struct amdgpu_device *adev, uint32_t pcs_status_reg WREG32_PCIE(pcs_status_reg, 0); } -void amdgpu_xgmi_reset_ras_error_count(struct amdgpu_device *adev) +static void amdgpu_xgmi_reset_ras_error_count(struct amdgpu_device *adev) { uint32_t i; @@ -743,8 +751,8 @@ static int amdgpu_xgmi_query_pcs_error_status(struct amdgpu_device *adev, return 0; } -int amdgpu_xgmi_query_ras_error_count(struct amdgpu_device *adev, - void *ras_error_status) +static int amdgpu_xgmi_query_ras_error_count(struct amdgpu_device *adev, + void *ras_error_status) { struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status; int i; @@ -793,10 +801,17 @@ int amdgpu_xgmi_query_ras_error_count(struct amdgpu_device *adev, break; } - amdgpu_xgmi_reset_ras_error_count(adev); + adev->gmc.xgmi.ras_funcs->reset_ras_error_count(adev); err_data->ue_count += ue_cnt; err_data->ce_count += ce_cnt; return 0; } + +const struct amdgpu_xgmi_ras_funcs xgmi_ras_funcs = { + .ras_late_init = amdgpu_xgmi_ras_late_init, + .ras_fini = amdgpu_xgmi_ras_fini, + .query_ras_error_count = amdgpu_xgmi_query_ras_error_count, + .reset_ras_error_count = amdgpu_xgmi_reset_ras_error_count, +}; |