diff options
Diffstat (limited to 'drivers/gpu/drm/xe/xe_gt.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_gt.c | 96 |
1 files changed, 67 insertions, 29 deletions
diff --git a/drivers/gpu/drm/xe/xe_gt.c b/drivers/gpu/drm/xe/xe_gt.c index 35474ddbaf97..f9705430ada9 100644 --- a/drivers/gpu/drm/xe/xe_gt.c +++ b/drivers/gpu/drm/xe/xe_gt.c @@ -78,6 +78,19 @@ void xe_gt_sanitize(struct xe_gt *gt) gt->uc.guc.submission_state.enabled = false; } +/** + * xe_gt_remove() - Clean up the GT structures before driver removal + * @gt: the GT object + * + * This function should only act on objects/structures that must be cleaned + * before the driver removal callback is complete and therefore can't be + * deferred to a drmm action. + */ +void xe_gt_remove(struct xe_gt *gt) +{ + xe_uc_remove(>->uc); +} + static void gt_fini(struct drm_device *drm, void *arg) { struct xe_gt *gt = arg; @@ -235,7 +248,7 @@ int xe_gt_record_default_lrcs(struct xe_gt *gt) return -ENOMEM; q = xe_exec_queue_create(xe, NULL, BIT(hwe->logical_instance), 1, - hwe, EXEC_QUEUE_FLAG_KERNEL); + hwe, EXEC_QUEUE_FLAG_KERNEL, 0); if (IS_ERR(q)) { err = PTR_ERR(q); xe_gt_err(gt, "hwe %s: xe_exec_queue_create failed (%pe)\n", @@ -252,7 +265,7 @@ int xe_gt_record_default_lrcs(struct xe_gt *gt) } nop_q = xe_exec_queue_create(xe, NULL, BIT(hwe->logical_instance), - 1, hwe, EXEC_QUEUE_FLAG_KERNEL); + 1, hwe, EXEC_QUEUE_FLAG_KERNEL, 0); if (IS_ERR(nop_q)) { err = PTR_ERR(nop_q); xe_gt_err(gt, "hwe %s: nop xe_exec_queue_create failed (%pe)\n", @@ -301,9 +314,6 @@ int xe_gt_init_early(struct xe_gt *gt) if (err) return err; - xe_gt_topology_init(gt); - xe_gt_mcr_init(gt); - err = xe_force_wake_put(gt_to_fw(gt), XE_FW_GT); if (err) return err; @@ -327,7 +337,7 @@ static void dump_pat_on_error(struct xe_gt *gt) char prefix[32]; snprintf(prefix, sizeof(prefix), "[GT%u Error]", gt->info.id); - p = drm_debug_printer(prefix); + p = drm_dbg_printer(>_to_xe(gt)->drm, DRM_UT_DRIVER, prefix); xe_pat_dump(gt, &p); } @@ -341,8 +351,6 @@ static int gt_fw_domain_init(struct xe_gt *gt) if (err) goto err_hw_fence_irq; - xe_pat_init(gt); - if (!xe_gt_is_media_type(gt)) { err = xe_ggtt_init(gt_to_tile(gt)->mem.ggtt); if (err) @@ -351,22 +359,8 @@ static int gt_fw_domain_init(struct xe_gt *gt) xe_lmtt_init(>_to_tile(gt)->sriov.pf.lmtt); } - err = xe_uc_init(>->uc); - if (err) - goto err_force_wake; - - /* Raise GT freq to speed up HuC/GuC load */ - xe_guc_pc_init_early(>->uc.guc.pc); - - err = xe_uc_init_hwconfig(>->uc); - if (err) - goto err_force_wake; - xe_gt_idle_sysfs_init(>->gtidle); - /* XXX: Fake that we pull the engine mask from hwconfig blob */ - gt->info.engine_mask = gt->info.__engine_mask; - /* Enable per hw engine IRQs */ xe_irq_enable_hwe(gt); @@ -384,7 +378,15 @@ static int gt_fw_domain_init(struct xe_gt *gt) err); /* Initialize CCS mode sysfs after early initialization of HW engines */ - xe_gt_ccs_mode_sysfs_init(gt); + err = xe_gt_ccs_mode_sysfs_init(gt); + if (err) + goto err_force_wake; + + /* + * Stash hardware-reported version. Since this register does not exist + * on pre-MTL platforms, reading it there will (correctly) return 0. + */ + gt->info.gmdid = xe_mmio_read32(gt, GMD_ID); err = xe_force_wake_put(gt_to_fw(gt), XE_FW_GT); XE_WARN_ON(err); @@ -428,10 +430,6 @@ static int all_fw_domain_init(struct xe_gt *gt) if (err) goto err_force_wake; - err = xe_uc_init_post_hwconfig(>->uc); - if (err) - goto err_force_wake; - if (!xe_gt_is_media_type(gt)) { /* * USM has its only SA pool to non-block behind user operations @@ -458,6 +456,10 @@ static int all_fw_domain_init(struct xe_gt *gt) } } + err = xe_uc_init_post_hwconfig(>->uc); + if (err) + goto err_force_wake; + err = xe_uc_init_hw(>->uc); if (err) goto err_force_wake; @@ -487,6 +489,42 @@ err_hw_fence_irq: return err; } +/* + * Initialize enough GT to be able to load GuC in order to obtain hwconfig and + * enable CTB communication. + */ +int xe_gt_init_hwconfig(struct xe_gt *gt) +{ + int err; + + xe_device_mem_access_get(gt_to_xe(gt)); + err = xe_force_wake_get(gt_to_fw(gt), XE_FW_GT); + if (err) + goto out; + + xe_gt_topology_init(gt); + xe_gt_mcr_init(gt); + xe_pat_init(gt); + + err = xe_uc_init(>->uc); + if (err) + goto out_fw; + + err = xe_uc_init_hwconfig(>->uc); + if (err) + goto out_fw; + + /* XXX: Fake that we pull the engine mask from hwconfig blob */ + gt->info.engine_mask = gt->info.__engine_mask; + +out_fw: + xe_force_wake_put(gt_to_fw(gt), XE_FW_GT); +out: + xe_device_mem_access_put(gt_to_xe(gt)); + + return err; +} + int xe_gt_init(struct xe_gt *gt) { int err; @@ -622,12 +660,12 @@ static int gt_reset(struct xe_gt *gt) if (err) goto err_out; + xe_gt_tlb_invalidation_reset(gt); + err = do_gt_reset(gt); if (err) goto err_out; - xe_gt_tlb_invalidation_reset(gt); - err = do_gt_restart(gt); if (err) goto err_out; |