diff options
Diffstat (limited to 'drivers/gpu/drm/xe/xe_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_debugfs.c | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_debugfs.c b/drivers/gpu/drm/xe/xe_debugfs.c index 26e9d146ccbf..cd977dbd1ef6 100644 --- a/drivers/gpu/drm/xe/xe_debugfs.c +++ b/drivers/gpu/drm/xe/xe_debugfs.c @@ -11,18 +11,24 @@ #include <drm/drm_debugfs.h> +#include "regs/xe_pmt.h" #include "xe_bo.h" #include "xe_device.h" #include "xe_force_wake.h" #include "xe_gt_debugfs.h" #include "xe_gt_printk.h" #include "xe_guc_ads.h" +#include "xe_mmio.h" #include "xe_pm.h" +#include "xe_psmi.h" #include "xe_pxp_debugfs.h" #include "xe_sriov.h" #include "xe_sriov_pf.h" +#include "xe_sriov_vf.h" #include "xe_step.h" +#include "xe_tile_debugfs.h" #include "xe_wa.h" +#include "xe_vsec.h" #ifdef CONFIG_DRM_XE_DEBUG #include "xe_bo_evict.h" @@ -31,6 +37,24 @@ #endif DECLARE_FAULT_ATTR(gt_reset_failure); +DECLARE_FAULT_ATTR(inject_csc_hw_error); + +static void read_residency_counter(struct xe_device *xe, struct xe_mmio *mmio, + u32 offset, const char *name, struct drm_printer *p) +{ + u64 residency = 0; + int ret; + + ret = xe_pmt_telem_read(to_pci_dev(xe->drm.dev), + xe_mmio_read32(mmio, PUNIT_TELEMETRY_GUID), + &residency, offset, sizeof(residency)); + if (ret != sizeof(residency)) { + drm_warn(&xe->drm, "%s counter failed to read, ret %d\n", name, ret); + return; + } + + drm_printf(p, "%s : %llu\n", name, residency); +} static struct xe_device *node_to_xe(struct drm_info_node *node) { @@ -102,12 +126,72 @@ static int workaround_info(struct seq_file *m, void *data) return 0; } +static int dgfx_pkg_residencies_show(struct seq_file *m, void *data) +{ + struct xe_device *xe; + struct xe_mmio *mmio; + struct drm_printer p; + + xe = node_to_xe(m->private); + p = drm_seq_file_printer(m); + xe_pm_runtime_get(xe); + mmio = xe_root_tile_mmio(xe); + static const struct { + u32 offset; + const char *name; + } residencies[] = { + {BMG_G2_RESIDENCY_OFFSET, "Package G2"}, + {BMG_G6_RESIDENCY_OFFSET, "Package G6"}, + {BMG_G8_RESIDENCY_OFFSET, "Package G8"}, + {BMG_G10_RESIDENCY_OFFSET, "Package G10"}, + {BMG_MODS_RESIDENCY_OFFSET, "Package ModS"} + }; + + for (int i = 0; i < ARRAY_SIZE(residencies); i++) + read_residency_counter(xe, mmio, residencies[i].offset, residencies[i].name, &p); + + xe_pm_runtime_put(xe); + return 0; +} + +static int dgfx_pcie_link_residencies_show(struct seq_file *m, void *data) +{ + struct xe_device *xe; + struct xe_mmio *mmio; + struct drm_printer p; + + xe = node_to_xe(m->private); + p = drm_seq_file_printer(m); + xe_pm_runtime_get(xe); + mmio = xe_root_tile_mmio(xe); + + static const struct { + u32 offset; + const char *name; + } residencies[] = { + {BMG_PCIE_LINK_L0_RESIDENCY_OFFSET, "PCIE LINK L0 RESIDENCY"}, + {BMG_PCIE_LINK_L1_RESIDENCY_OFFSET, "PCIE LINK L1 RESIDENCY"}, + {BMG_PCIE_LINK_L1_2_RESIDENCY_OFFSET, "PCIE LINK L1.2 RESIDENCY"} + }; + + for (int i = 0; i < ARRAY_SIZE(residencies); i++) + read_residency_counter(xe, mmio, residencies[i].offset, residencies[i].name, &p); + + xe_pm_runtime_put(xe); + return 0; +} + static const struct drm_info_list debugfs_list[] = { {"info", info, 0}, { .name = "sriov_info", .show = sriov_info, }, { .name = "workarounds", .show = workaround_info, }, }; +static const struct drm_info_list debugfs_residencies[] = { + { .name = "dgfx_pkg_residencies", .show = dgfx_pkg_residencies_show, }, + { .name = "dgfx_pcie_link_residencies", .show = dgfx_pcie_link_residencies_show, }, +}; + static int forcewake_open(struct inode *inode, struct file *file) { struct xe_device *xe = inode->i_private; @@ -247,20 +331,68 @@ static const struct file_operations atomic_svm_timeslice_ms_fops = { .write = atomic_svm_timeslice_ms_set, }; +static ssize_t disable_late_binding_show(struct file *f, char __user *ubuf, + size_t size, loff_t *pos) +{ + struct xe_device *xe = file_inode(f)->i_private; + struct xe_late_bind *late_bind = &xe->late_bind; + char buf[32]; + int len; + + len = scnprintf(buf, sizeof(buf), "%d\n", late_bind->disable); + + return simple_read_from_buffer(ubuf, size, pos, buf, len); +} + +static ssize_t disable_late_binding_set(struct file *f, const char __user *ubuf, + size_t size, loff_t *pos) +{ + struct xe_device *xe = file_inode(f)->i_private; + struct xe_late_bind *late_bind = &xe->late_bind; + u32 uval; + ssize_t ret; + + ret = kstrtouint_from_user(ubuf, size, sizeof(uval), &uval); + if (ret) + return ret; + + if (uval > 1) + return -EINVAL; + + late_bind->disable = !!uval; + return size; +} + +static const struct file_operations disable_late_binding_fops = { + .owner = THIS_MODULE, + .read = disable_late_binding_show, + .write = disable_late_binding_set, +}; + void xe_debugfs_register(struct xe_device *xe) { struct ttm_device *bdev = &xe->ttm; struct drm_minor *minor = xe->drm.primary; struct dentry *root = minor->debugfs_root; struct ttm_resource_manager *man; + struct xe_tile *tile; struct xe_gt *gt; u32 mem_type; + u8 tile_id; u8 id; drm_debugfs_create_files(debugfs_list, ARRAY_SIZE(debugfs_list), root, minor); + if (xe->info.platform == XE_BATTLEMAGE && !IS_SRIOV_VF(xe)) { + drm_debugfs_create_files(debugfs_residencies, + ARRAY_SIZE(debugfs_residencies), + root, minor); + fault_create_debugfs_attr("inject_csc_hw_error", root, + &inject_csc_hw_error); + } + debugfs_create_file("forcewake_all", 0400, root, xe, &forcewake_all_fops); @@ -270,6 +402,9 @@ void xe_debugfs_register(struct xe_device *xe) debugfs_create_file("atomic_svm_timeslice_ms", 0600, root, xe, &atomic_svm_timeslice_ms_fops); + debugfs_create_file("disable_late_binding", 0600, root, xe, + &disable_late_binding_fops); + for (mem_type = XE_PL_VRAM0; mem_type <= XE_PL_VRAM1; ++mem_type) { man = ttm_manager_type(bdev, mem_type); @@ -288,13 +423,20 @@ void xe_debugfs_register(struct xe_device *xe) if (man) ttm_resource_manager_create_debugfs(man, root, "stolen_mm"); + for_each_tile(tile, xe, tile_id) + xe_tile_debugfs_register(tile); + for_each_gt(gt, xe, id) xe_gt_debugfs_register(gt); xe_pxp_debugfs_register(xe->pxp); + xe_psmi_debugfs_register(xe); + fault_create_debugfs_attr("fail_gt_reset", root, >_reset_failure); if (IS_SRIOV_PF(xe)) xe_sriov_pf_debugfs_register(xe, root); + else if (IS_SRIOV_VF(xe)) + xe_sriov_vf_debugfs_register(xe, root); } |