diff options
| -rw-r--r-- | drivers/gpu/drm/xe/xe_device.c | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/xe_heci_gsc.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/xe_pci.c | 17 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/xe_survivability_mode.c | 73 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/xe_survivability_mode.h | 5 |
5 files changed, 49 insertions, 55 deletions
diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c index d50ac3d43511..ef269227b64b 100644 --- a/drivers/gpu/drm/xe/xe_device.c +++ b/drivers/gpu/drm/xe/xe_device.c @@ -53,7 +53,6 @@ #include "xe_pxp.h" #include "xe_query.h" #include "xe_sriov.h" -#include "xe_survivability_mode.h" #include "xe_tile.h" #include "xe_ttm_stolen_mgr.h" #include "xe_ttm_sys_mgr.h" @@ -695,12 +694,8 @@ int xe_device_probe_early(struct xe_device *xe) update_device_info(xe); err = xe_pcode_probe_early(xe); - if (err) { - if (xe_survivability_mode_required(xe)) - xe_survivability_mode_init(xe); - + if (err) return err; - } err = wait_for_lmem_ready(xe); if (err) diff --git a/drivers/gpu/drm/xe/xe_heci_gsc.c b/drivers/gpu/drm/xe/xe_heci_gsc.c index 06dc78d3a812..992ee47abcdb 100644 --- a/drivers/gpu/drm/xe/xe_heci_gsc.c +++ b/drivers/gpu/drm/xe/xe_heci_gsc.c @@ -201,7 +201,7 @@ void xe_heci_gsc_init(struct xe_device *xe) return; } - if (!def->use_polling && !xe_survivability_mode_enabled(xe)) { + if (!def->use_polling && !xe_survivability_mode_is_enabled(xe)) { ret = heci_gsc_irq_setup(xe); if (ret) goto fail; diff --git a/drivers/gpu/drm/xe/xe_pci.c b/drivers/gpu/drm/xe/xe_pci.c index a0f4bd45b61b..8b6658b214be 100644 --- a/drivers/gpu/drm/xe/xe_pci.c +++ b/drivers/gpu/drm/xe/xe_pci.c @@ -770,8 +770,8 @@ static void xe_pci_remove(struct pci_dev *pdev) if (IS_SRIOV_PF(xe)) xe_pci_sriov_configure(pdev, 0); - if (xe_survivability_mode_enabled(xe)) - return xe_survivability_mode_remove(xe); + if (xe_survivability_mode_is_enabled(xe)) + return; xe_device_remove(xe); xe_pm_runtime_fini(xe); @@ -846,13 +846,14 @@ static int xe_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) err = xe_device_probe_early(xe); /* - * In Boot Survivability mode, no drm card is exposed - * and driver is loaded with bare minimum to allow - * for firmware to be flashed through mei. Return - * success if survivability mode is enabled. + * In Boot Survivability mode, no drm card is exposed and driver is + * loaded with bare minimum to allow for firmware to be flashed through + * mei. If early probe fails, check if survivability mode is flagged by + * HW to be enabled. In that case enable it and return success. */ if (err) { - if (xe_survivability_mode_enabled(xe)) + if (xe_survivability_mode_required(xe) && + xe_survivability_mode_enable(xe)) return 0; return err; @@ -946,7 +947,7 @@ static int xe_pci_suspend(struct device *dev) struct xe_device *xe = pdev_to_xe_device(pdev); int err; - if (xe_survivability_mode_enabled(xe)) + if (xe_survivability_mode_is_enabled(xe)) return -EBUSY; err = xe_pm_suspend(xe); diff --git a/drivers/gpu/drm/xe/xe_survivability_mode.c b/drivers/gpu/drm/xe/xe_survivability_mode.c index 04a341606a7c..7ba02e085b5b 100644 --- a/drivers/gpu/drm/xe/xe_survivability_mode.c +++ b/drivers/gpu/drm/xe/xe_survivability_mode.c @@ -127,40 +127,54 @@ static ssize_t survivability_mode_show(struct device *dev, static DEVICE_ATTR_ADMIN_RO(survivability_mode); -static void enable_survivability_mode(struct pci_dev *pdev) +static void xe_survivability_mode_fini(void *arg) +{ + struct xe_device *xe = arg; + struct pci_dev *pdev = to_pci_dev(xe->drm.dev); + struct device *dev = &pdev->dev; + + sysfs_remove_file(&dev->kobj, &dev_attr_survivability_mode.attr); + xe_heci_gsc_fini(xe); +} + +static int enable_survivability_mode(struct pci_dev *pdev) { struct device *dev = &pdev->dev; struct xe_device *xe = pdev_to_xe_device(pdev); struct xe_survivability *survivability = &xe->survivability; int ret = 0; - /* set survivability mode */ - survivability->mode = true; - dev_info(dev, "In Survivability Mode\n"); - /* create survivability mode sysfs */ ret = sysfs_create_file(&dev->kobj, &dev_attr_survivability_mode.attr); if (ret) { dev_warn(dev, "Failed to create survivability sysfs files\n"); - return; + return ret; } + ret = devm_add_action_or_reset(xe->drm.dev, + xe_survivability_mode_fini, xe); + if (ret) + return ret; + xe_heci_gsc_init(xe); xe_vsec_init(xe); + + survivability->mode = true; + dev_err(dev, "In Survivability Mode\n"); + + return 0; } /** - * xe_survivability_mode_enabled - check if survivability mode is enabled + * xe_survivability_mode_is_enabled - check if survivability mode is enabled * @xe: xe device instance * * Returns true if in survivability mode, false otherwise */ -bool xe_survivability_mode_enabled(struct xe_device *xe) +bool xe_survivability_mode_is_enabled(struct xe_device *xe) { - struct xe_survivability *survivability = &xe->survivability; - - return survivability->mode; + return xe->survivability.mode; } /** @@ -183,34 +197,19 @@ bool xe_survivability_mode_required(struct xe_device *xe) data = xe_mmio_read32(mmio, PCODE_SCRATCH(0)); survivability->boot_status = REG_FIELD_GET(BOOT_STATUS, data); - return (survivability->boot_status == NON_CRITICAL_FAILURE || - survivability->boot_status == CRITICAL_FAILURE); + return survivability->boot_status == NON_CRITICAL_FAILURE || + survivability->boot_status == CRITICAL_FAILURE; } /** - * xe_survivability_mode_remove - remove survivability mode + * xe_survivability_mode_enable - Initialize and enable the survivability mode * @xe: xe device instance * - * clean up sysfs entries of survivability mode - */ -void xe_survivability_mode_remove(struct xe_device *xe) -{ - struct xe_survivability *survivability = &xe->survivability; - struct pci_dev *pdev = to_pci_dev(xe->drm.dev); - struct device *dev = &pdev->dev; - - sysfs_remove_file(&dev->kobj, &dev_attr_survivability_mode.attr); - xe_heci_gsc_fini(xe); - kfree(survivability->info); -} - -/** - * xe_survivability_mode_init - Initialize the survivability mode - * @xe: xe device instance + * Initialize survivability information and enable survivability mode * - * Initializes survivability information and enables survivability mode + * Return: 0 for success, negative error code otherwise. */ -void xe_survivability_mode_init(struct xe_device *xe) +int xe_survivability_mode_enable(struct xe_device *xe) { struct xe_survivability *survivability = &xe->survivability; struct xe_survivability_info *info; @@ -218,9 +217,10 @@ void xe_survivability_mode_init(struct xe_device *xe) survivability->size = MAX_SCRATCH_MMIO; - info = kcalloc(survivability->size, sizeof(*info), GFP_KERNEL); + info = devm_kcalloc(xe->drm.dev, survivability->size, sizeof(*info), + GFP_KERNEL); if (!info) - return; + return -ENOMEM; survivability->info = info; @@ -229,9 +229,8 @@ void xe_survivability_mode_init(struct xe_device *xe) /* Only log debug information and exit if it is a critical failure */ if (survivability->boot_status == CRITICAL_FAILURE) { log_survivability_info(pdev); - kfree(survivability->info); - return; + return -ENXIO; } - enable_survivability_mode(pdev); + return enable_survivability_mode(pdev); } diff --git a/drivers/gpu/drm/xe/xe_survivability_mode.h b/drivers/gpu/drm/xe/xe_survivability_mode.h index f530507a22c6..f4df5f9025ce 100644 --- a/drivers/gpu/drm/xe/xe_survivability_mode.h +++ b/drivers/gpu/drm/xe/xe_survivability_mode.h @@ -10,9 +10,8 @@ struct xe_device; -void xe_survivability_mode_init(struct xe_device *xe); -void xe_survivability_mode_remove(struct xe_device *xe); -bool xe_survivability_mode_enabled(struct xe_device *xe); +int xe_survivability_mode_enable(struct xe_device *xe); +bool xe_survivability_mode_is_enabled(struct xe_device *xe); bool xe_survivability_mode_required(struct xe_device *xe); #endif /* _XE_SURVIVABILITY_MODE_H_ */ |