diff options
Diffstat (limited to 'drivers/accel')
| -rw-r--r-- | drivers/accel/ivpu/ivpu_debugfs.c | 20 | ||||
| -rw-r--r-- | drivers/accel/ivpu/ivpu_drv.c | 126 | ||||
| -rw-r--r-- | drivers/accel/ivpu/ivpu_drv.h | 5 | ||||
| -rw-r--r-- | drivers/accel/ivpu/ivpu_gem.c | 142 | ||||
| -rw-r--r-- | drivers/accel/ivpu/ivpu_gem.h | 3 | ||||
| -rw-r--r-- | drivers/accel/ivpu/ivpu_hw_37xx.c | 14 | ||||
| -rw-r--r-- | drivers/accel/ivpu/ivpu_hw_40xx.c | 29 | ||||
| -rw-r--r-- | drivers/accel/ivpu/ivpu_ipc.c | 6 | ||||
| -rw-r--r-- | drivers/accel/ivpu/ivpu_job.c | 160 | ||||
| -rw-r--r-- | drivers/accel/ivpu/ivpu_job.h | 3 | ||||
| -rw-r--r-- | drivers/accel/ivpu/ivpu_mmu.c | 22 | ||||
| -rw-r--r-- | drivers/accel/ivpu/ivpu_mmu.h | 1 | ||||
| -rw-r--r-- | drivers/accel/ivpu/ivpu_mmu_context.c | 9 | ||||
| -rw-r--r-- | drivers/accel/ivpu/ivpu_pm.c | 52 | ||||
| -rw-r--r-- | drivers/accel/ivpu/ivpu_pm.h | 6 |
15 files changed, 310 insertions, 288 deletions
diff --git a/drivers/accel/ivpu/ivpu_debugfs.c b/drivers/accel/ivpu/ivpu_debugfs.c index 19035230563d..7cb962e21453 100644 --- a/drivers/accel/ivpu/ivpu_debugfs.c +++ b/drivers/accel/ivpu/ivpu_debugfs.c @@ -102,7 +102,7 @@ static int reset_pending_show(struct seq_file *s, void *v) { struct ivpu_device *vdev = seq_to_ivpu(s); - seq_printf(s, "%d\n", atomic_read(&vdev->pm->in_reset)); + seq_printf(s, "%d\n", atomic_read(&vdev->pm->reset_pending)); return 0; } @@ -130,7 +130,9 @@ dvfs_mode_fops_write(struct file *file, const char __user *user_buf, size_t size fw->dvfs_mode = dvfs_mode; - ivpu_pm_schedule_recovery(vdev); + ret = pci_try_reset_function(to_pci_dev(vdev->drm.dev)); + if (ret) + return ret; return size; } @@ -190,7 +192,10 @@ fw_profiling_freq_fops_write(struct file *file, const char __user *user_buf, return ret; ivpu_hw_profiling_freq_drive(vdev, enable); - ivpu_pm_schedule_recovery(vdev); + + ret = pci_try_reset_function(to_pci_dev(vdev->drm.dev)); + if (ret) + return ret; return size; } @@ -301,11 +306,18 @@ static ssize_t ivpu_force_recovery_fn(struct file *file, const char __user *user_buf, size_t size, loff_t *pos) { struct ivpu_device *vdev = file->private_data; + int ret; if (!size) return -EINVAL; - ivpu_pm_schedule_recovery(vdev); + ret = ivpu_rpm_get(vdev); + if (ret) + return ret; + + ivpu_pm_trigger_recovery(vdev, "debugfs"); + flush_work(&vdev->pm->recovery_work); + ivpu_rpm_put(vdev); return size; } diff --git a/drivers/accel/ivpu/ivpu_drv.c b/drivers/accel/ivpu/ivpu_drv.c index 64927682161b..9418c73ee8ef 100644 --- a/drivers/accel/ivpu/ivpu_drv.c +++ b/drivers/accel/ivpu/ivpu_drv.c @@ -6,6 +6,7 @@ #include <linux/firmware.h> #include <linux/module.h> #include <linux/pci.h> +#include <linux/pm_runtime.h> #include <drm/drm_accel.h> #include <drm/drm_file.h> @@ -17,6 +18,7 @@ #include "ivpu_debugfs.h" #include "ivpu_drv.h" #include "ivpu_fw.h" +#include "ivpu_fw_log.h" #include "ivpu_gem.h" #include "ivpu_hw.h" #include "ivpu_ipc.h" @@ -65,22 +67,20 @@ struct ivpu_file_priv *ivpu_file_priv_get(struct ivpu_file_priv *file_priv) return file_priv; } -struct ivpu_file_priv *ivpu_file_priv_get_by_ctx_id(struct ivpu_device *vdev, unsigned long id) +static void file_priv_unbind(struct ivpu_device *vdev, struct ivpu_file_priv *file_priv) { - struct ivpu_file_priv *file_priv; - - xa_lock_irq(&vdev->context_xa); - file_priv = xa_load(&vdev->context_xa, id); - /* file_priv may still be in context_xa during file_priv_release() */ - if (file_priv && !kref_get_unless_zero(&file_priv->ref)) - file_priv = NULL; - xa_unlock_irq(&vdev->context_xa); - - if (file_priv) - ivpu_dbg(vdev, KREF, "file_priv get by id: ctx %u refcount %u\n", - file_priv->ctx.id, kref_read(&file_priv->ref)); - - return file_priv; + mutex_lock(&file_priv->lock); + if (file_priv->bound) { + ivpu_dbg(vdev, FILE, "file_priv unbind: ctx %u\n", file_priv->ctx.id); + + ivpu_cmdq_release_all_locked(file_priv); + ivpu_jsm_context_release(vdev, file_priv->ctx.id); + ivpu_bo_unbind_all_bos_from_context(vdev, &file_priv->ctx); + ivpu_mmu_user_context_fini(vdev, &file_priv->ctx); + file_priv->bound = false; + drm_WARN_ON(&vdev->drm, !xa_erase_irq(&vdev->context_xa, file_priv->ctx.id)); + } + mutex_unlock(&file_priv->lock); } static void file_priv_release(struct kref *ref) @@ -88,13 +88,15 @@ static void file_priv_release(struct kref *ref) struct ivpu_file_priv *file_priv = container_of(ref, struct ivpu_file_priv, ref); struct ivpu_device *vdev = file_priv->vdev; - ivpu_dbg(vdev, FILE, "file_priv release: ctx %u\n", file_priv->ctx.id); + ivpu_dbg(vdev, FILE, "file_priv release: ctx %u bound %d\n", + file_priv->ctx.id, (bool)file_priv->bound); + + pm_runtime_get_sync(vdev->drm.dev); + mutex_lock(&vdev->context_list_lock); + file_priv_unbind(vdev, file_priv); + mutex_unlock(&vdev->context_list_lock); + pm_runtime_put_autosuspend(vdev->drm.dev); - ivpu_cmdq_release_all(file_priv); - ivpu_jsm_context_release(vdev, file_priv->ctx.id); - ivpu_bo_remove_all_bos_from_context(vdev, &file_priv->ctx); - ivpu_mmu_user_context_fini(vdev, &file_priv->ctx); - drm_WARN_ON(&vdev->drm, xa_erase_irq(&vdev->context_xa, file_priv->ctx.id) != file_priv); mutex_destroy(&file_priv->lock); kfree(file_priv); } @@ -176,9 +178,6 @@ static int ivpu_get_param_ioctl(struct drm_device *dev, void *data, struct drm_f case DRM_IVPU_PARAM_CONTEXT_BASE_ADDRESS: args->value = vdev->hw->ranges.user.start; break; - case DRM_IVPU_PARAM_CONTEXT_PRIORITY: - args->value = file_priv->priority; - break; case DRM_IVPU_PARAM_CONTEXT_ID: args->value = file_priv->ctx.id; break; @@ -218,17 +217,10 @@ static int ivpu_get_param_ioctl(struct drm_device *dev, void *data, struct drm_f static int ivpu_set_param_ioctl(struct drm_device *dev, void *data, struct drm_file *file) { - struct ivpu_file_priv *file_priv = file->driver_priv; struct drm_ivpu_param *args = data; int ret = 0; switch (args->param) { - case DRM_IVPU_PARAM_CONTEXT_PRIORITY: - if (args->value <= DRM_IVPU_CONTEXT_PRIORITY_REALTIME) - file_priv->priority = args->value; - else - ret = -EINVAL; - break; default: ret = -EINVAL; } @@ -241,50 +233,53 @@ static int ivpu_open(struct drm_device *dev, struct drm_file *file) struct ivpu_device *vdev = to_ivpu_device(dev); struct ivpu_file_priv *file_priv; u32 ctx_id; - void *old; - int ret; + int idx, ret; - ret = xa_alloc_irq(&vdev->context_xa, &ctx_id, NULL, vdev->context_xa_limit, GFP_KERNEL); - if (ret) { - ivpu_err(vdev, "Failed to allocate context id: %d\n", ret); - return ret; - } + if (!drm_dev_enter(dev, &idx)) + return -ENODEV; file_priv = kzalloc(sizeof(*file_priv), GFP_KERNEL); if (!file_priv) { ret = -ENOMEM; - goto err_xa_erase; + goto err_dev_exit; } file_priv->vdev = vdev; - file_priv->priority = DRM_IVPU_CONTEXT_PRIORITY_NORMAL; + file_priv->bound = true; kref_init(&file_priv->ref); mutex_init(&file_priv->lock); + mutex_lock(&vdev->context_list_lock); + + ret = xa_alloc_irq(&vdev->context_xa, &ctx_id, file_priv, + vdev->context_xa_limit, GFP_KERNEL); + if (ret) { + ivpu_err(vdev, "Failed to allocate context id: %d\n", ret); + goto err_unlock; + } + ret = ivpu_mmu_user_context_init(vdev, &file_priv->ctx, ctx_id); if (ret) - goto err_mutex_destroy; + goto err_xa_erase; - old = xa_store_irq(&vdev->context_xa, ctx_id, file_priv, GFP_KERNEL); - if (xa_is_err(old)) { - ret = xa_err(old); - ivpu_err(vdev, "Failed to store context %u: %d\n", ctx_id, ret); - goto err_ctx_fini; - } + mutex_unlock(&vdev->context_list_lock); + drm_dev_exit(idx); + + file->driver_priv = file_priv; ivpu_dbg(vdev, FILE, "file_priv create: ctx %u process %s pid %d\n", ctx_id, current->comm, task_pid_nr(current)); - file->driver_priv = file_priv; return 0; -err_ctx_fini: - ivpu_mmu_user_context_fini(vdev, &file_priv->ctx); -err_mutex_destroy: - mutex_destroy(&file_priv->lock); - kfree(file_priv); err_xa_erase: xa_erase_irq(&vdev->context_xa, ctx_id); +err_unlock: + mutex_unlock(&vdev->context_list_lock); + mutex_destroy(&file_priv->lock); + kfree(file_priv); +err_dev_exit: + drm_dev_exit(idx); return ret; } @@ -340,8 +335,6 @@ static int ivpu_wait_for_ready(struct ivpu_device *vdev) if (!ret) ivpu_dbg(vdev, PM, "VPU ready message received successfully\n"); - else - ivpu_hw_diagnose_failure(vdev); return ret; } @@ -369,6 +362,9 @@ int ivpu_boot(struct ivpu_device *vdev) ret = ivpu_wait_for_ready(vdev); if (ret) { ivpu_err(vdev, "Failed to boot the firmware: %d\n", ret); + ivpu_hw_diagnose_failure(vdev); + ivpu_mmu_evtq_dump(vdev); + ivpu_fw_log_dump(vdev); return ret; } @@ -540,6 +536,10 @@ static int ivpu_dev_init(struct ivpu_device *vdev) lockdep_set_class(&vdev->submitted_jobs_xa.xa_lock, &submitted_jobs_xa_lock_class_key); INIT_LIST_HEAD(&vdev->bo_list); + ret = drmm_mutex_init(&vdev->drm, &vdev->context_list_lock); + if (ret) + goto err_xa_destroy; + ret = drmm_mutex_init(&vdev->drm, &vdev->bo_list_lock); if (ret) goto err_xa_destroy; @@ -611,14 +611,30 @@ err_xa_destroy: return ret; } +static void ivpu_bo_unbind_all_user_contexts(struct ivpu_device *vdev) +{ + struct ivpu_file_priv *file_priv; + unsigned long ctx_id; + + mutex_lock(&vdev->context_list_lock); + + xa_for_each(&vdev->context_xa, ctx_id, file_priv) + file_priv_unbind(vdev, file_priv); + + mutex_unlock(&vdev->context_list_lock); +} + static void ivpu_dev_fini(struct ivpu_device *vdev) { ivpu_pm_disable(vdev); ivpu_shutdown(vdev); if (IVPU_WA(d3hot_after_power_off)) pci_set_power_state(to_pci_dev(vdev->drm.dev), PCI_D3hot); + + ivpu_jobs_abort_all(vdev); ivpu_job_done_consumer_fini(vdev); ivpu_pm_cancel_recovery(vdev); + ivpu_bo_unbind_all_user_contexts(vdev); ivpu_ipc_fini(vdev); ivpu_fw_fini(vdev); diff --git a/drivers/accel/ivpu/ivpu_drv.h b/drivers/accel/ivpu/ivpu_drv.h index ebc4b84f27b2..069ace4adb2d 100644 --- a/drivers/accel/ivpu/ivpu_drv.h +++ b/drivers/accel/ivpu/ivpu_drv.h @@ -56,6 +56,7 @@ #define IVPU_DBG_JSM BIT(10) #define IVPU_DBG_KREF BIT(11) #define IVPU_DBG_RPM BIT(12) +#define IVPU_DBG_MMU_MAP BIT(13) #define ivpu_err(vdev, fmt, ...) \ drm_err(&(vdev)->drm, "%s(): " fmt, __func__, ##__VA_ARGS__) @@ -114,6 +115,7 @@ struct ivpu_device { struct ivpu_mmu_context gctx; struct ivpu_mmu_context rctx; + struct mutex context_list_lock; /* Protects user context addition/removal */ struct xarray context_xa; struct xa_limit context_xa_limit; @@ -145,8 +147,8 @@ struct ivpu_file_priv { struct mutex lock; /* Protects cmdq */ struct ivpu_cmdq *cmdq[IVPU_NUM_ENGINES]; struct ivpu_mmu_context ctx; - u32 priority; bool has_mmu_faults; + bool bound; }; extern int ivpu_dbg_mask; @@ -162,7 +164,6 @@ extern bool ivpu_disable_mmu_cont_pages; extern int ivpu_test_mode; struct ivpu_file_priv *ivpu_file_priv_get(struct ivpu_file_priv *file_priv); -struct ivpu_file_priv *ivpu_file_priv_get_by_ctx_id(struct ivpu_device *vdev, unsigned long id); void ivpu_file_priv_put(struct ivpu_file_priv **link); int ivpu_boot(struct ivpu_device *vdev); diff --git a/drivers/accel/ivpu/ivpu_gem.c b/drivers/accel/ivpu/ivpu_gem.c index 1dda4f38ea25..e9ddbe9f50eb 100644 --- a/drivers/accel/ivpu/ivpu_gem.c +++ b/drivers/accel/ivpu/ivpu_gem.c @@ -24,14 +24,11 @@ static const struct drm_gem_object_funcs ivpu_gem_funcs; static inline void ivpu_dbg_bo(struct ivpu_device *vdev, struct ivpu_bo *bo, const char *action) { - if (bo->ctx) - ivpu_dbg(vdev, BO, "%6s: size %zu has_pages %d dma_mapped %d handle %u ctx %d vpu_addr 0x%llx mmu_mapped %d\n", - action, ivpu_bo_size(bo), (bool)bo->base.pages, (bool)bo->base.sgt, - bo->handle, bo->ctx->id, bo->vpu_addr, bo->mmu_mapped); - else - ivpu_dbg(vdev, BO, "%6s: size %zu has_pages %d dma_mapped %d handle %u (not added to context)\n", - action, ivpu_bo_size(bo), (bool)bo->base.pages, (bool)bo->base.sgt, - bo->handle); + ivpu_dbg(vdev, BO, + "%6s: bo %8p vpu_addr %9llx size %8zu ctx %d has_pages %d dma_mapped %d mmu_mapped %d wc %d imported %d\n", + action, bo, bo->vpu_addr, ivpu_bo_size(bo), bo->ctx ? bo->ctx->id : 0, + (bool)bo->base.pages, (bool)bo->base.sgt, bo->mmu_mapped, bo->base.map_wc, + (bool)bo->base.base.import_attach); } /* @@ -49,12 +46,7 @@ int __must_check ivpu_bo_pin(struct ivpu_bo *bo) mutex_lock(&bo->lock); ivpu_dbg_bo(vdev, bo, "pin"); - - if (!bo->ctx) { - ivpu_err(vdev, "vpu_addr not allocated for BO %d\n", bo->handle); - ret = -EINVAL; - goto unlock; - } + drm_WARN_ON(&vdev->drm, !bo->ctx); if (!bo->mmu_mapped) { struct sg_table *sgt = drm_gem_shmem_get_pages_sgt(&bo->base); @@ -85,7 +77,10 @@ ivpu_bo_alloc_vpu_addr(struct ivpu_bo *bo, struct ivpu_mmu_context *ctx, const struct ivpu_addr_range *range) { struct ivpu_device *vdev = ivpu_bo_to_vdev(bo); - int ret; + int idx, ret; + + if (!drm_dev_enter(&vdev->drm, &idx)) + return -ENODEV; mutex_lock(&bo->lock); @@ -101,6 +96,8 @@ ivpu_bo_alloc_vpu_addr(struct ivpu_bo *bo, struct ivpu_mmu_context *ctx, mutex_unlock(&bo->lock); + drm_dev_exit(idx); + return ret; } @@ -108,11 +105,7 @@ static void ivpu_bo_unbind_locked(struct ivpu_bo *bo) { struct ivpu_device *vdev = ivpu_bo_to_vdev(bo); - lockdep_assert_held(&bo->lock); - - ivpu_dbg_bo(vdev, bo, "unbind"); - - /* TODO: dma_unmap */ + lockdep_assert(lockdep_is_held(&bo->lock) || !kref_read(&bo->base.base.refcount)); if (bo->mmu_mapped) { drm_WARN_ON(&vdev->drm, !bo->ctx); @@ -124,19 +117,23 @@ static void ivpu_bo_unbind_locked(struct ivpu_bo *bo) if (bo->ctx) { ivpu_mmu_context_remove_node(bo->ctx, &bo->mm_node); - bo->vpu_addr = 0; bo->ctx = NULL; } -} -static void ivpu_bo_unbind(struct ivpu_bo *bo) -{ - mutex_lock(&bo->lock); - ivpu_bo_unbind_locked(bo); - mutex_unlock(&bo->lock); + if (bo->base.base.import_attach) + return; + + dma_resv_lock(bo->base.base.resv, NULL); + if (bo->base.sgt) { + dma_unmap_sgtable(vdev->drm.dev, bo->base.sgt, DMA_BIDIRECTIONAL, 0); + sg_free_table(bo->base.sgt); + kfree(bo->base.sgt); + bo->base.sgt = NULL; + } + dma_resv_unlock(bo->base.base.resv); } -void ivpu_bo_remove_all_bos_from_context(struct ivpu_device *vdev, struct ivpu_mmu_context *ctx) +void ivpu_bo_unbind_all_bos_from_context(struct ivpu_device *vdev, struct ivpu_mmu_context *ctx) { struct ivpu_bo *bo; @@ -146,8 +143,10 @@ void ivpu_bo_remove_all_bos_from_context(struct ivpu_device *vdev, struct ivpu_m mutex_lock(&vdev->bo_list_lock); list_for_each_entry(bo, &vdev->bo_list, bo_list_node) { mutex_lock(&bo->lock); - if (bo->ctx == ctx) + if (bo->ctx == ctx) { + ivpu_dbg_bo(vdev, bo, "unbind"); ivpu_bo_unbind_locked(bo); + } mutex_unlock(&bo->lock); } mutex_unlock(&vdev->bo_list_lock); @@ -199,9 +198,6 @@ ivpu_bo_create(struct ivpu_device *vdev, u64 size, u32 flags) list_add_tail(&bo->bo_list_node, &vdev->bo_list); mutex_unlock(&vdev->bo_list_lock); - ivpu_dbg(vdev, BO, "create: vpu_addr 0x%llx size %zu flags 0x%x\n", - bo->vpu_addr, bo->base.base.size, flags); - return bo; } @@ -212,6 +208,12 @@ static int ivpu_bo_open(struct drm_gem_object *obj, struct drm_file *file) struct ivpu_bo *bo = to_ivpu_bo(obj); struct ivpu_addr_range *range; + if (bo->ctx) { + ivpu_warn(vdev, "Can't add BO to ctx %u: already in ctx %u\n", + file_priv->ctx.id, bo->ctx->id); + return -EALREADY; + } + if (bo->flags & DRM_IVPU_BO_SHAVE_MEM) range = &vdev->hw->ranges.shave; else if (bo->flags & DRM_IVPU_BO_DMA_MEM) @@ -227,62 +229,24 @@ static void ivpu_bo_free(struct drm_gem_object *obj) struct ivpu_device *vdev = to_ivpu_device(obj->dev); struct ivpu_bo *bo = to_ivpu_bo(obj); + ivpu_dbg_bo(vdev, bo, "free"); + mutex_lock(&vdev->bo_list_lock); list_del(&bo->bo_list_node); mutex_unlock(&vdev->bo_list_lock); drm_WARN_ON(&vdev->drm, !dma_resv_test_signaled(obj->resv, DMA_RESV_USAGE_READ)); - ivpu_dbg_bo(vdev, bo, "free"); - - ivpu_bo_unbind(bo); + ivpu_bo_unbind_locked(bo); mutex_destroy(&bo->lock); drm_WARN_ON(obj->dev, bo->base.pages_use_count > 1); drm_gem_shmem_free(&bo->base); } -static const struct dma_buf_ops ivpu_bo_dmabuf_ops = { - .cache_sgt_mapping = true, - .attach = drm_gem_map_attach, - .detach = drm_gem_map_detach, - .map_dma_buf = drm_gem_map_dma_buf, - .unmap_dma_buf = drm_gem_unmap_dma_buf, - .release = drm_gem_dmabuf_release, - .mmap = drm_gem_dmabuf_mmap, - .vmap = drm_gem_dmabuf_vmap, - .vunmap = drm_gem_dmabuf_vunmap, -}; - -static struct dma_buf *ivpu_bo_export(struct drm_gem_object *obj, int flags) -{ - struct drm_device *dev = obj->dev; - struct dma_buf_export_info exp_info = { - .exp_name = KBUILD_MODNAME, - .owner = dev->driver->fops->owner, - .ops = &ivpu_bo_dmabuf_ops, - .size = obj->size, - .flags = flags, - .priv = obj, - .resv = obj->resv, - }; - void *sgt; - - /* - * Make sure that pages are allocated and dma-mapped before exporting the bo. - * DMA-mapping is required if the bo will be imported to the same device. - */ - sgt = drm_gem_shmem_get_pages_sgt(to_drm_gem_shmem_obj(obj)); - if (IS_ERR(sgt)) - return sgt; - - return drm_gem_dmabuf_export(dev, &exp_info); -} - static const struct drm_gem_object_funcs ivpu_gem_funcs = { .free = ivpu_bo_free, .open = ivpu_bo_open, - .export = ivpu_bo_export, .print_info = drm_gem_shmem_object_print_info, .pin = drm_gem_shmem_object_pin, .unpin = drm_gem_shmem_object_unpin, @@ -315,11 +279,9 @@ int ivpu_bo_create_ioctl(struct drm_device *dev, void *data, struct drm_file *fi return PTR_ERR(bo); } - ret = drm_gem_handle_create(file, &bo->base.base, &bo->handle); - if (!ret) { + ret = drm_gem_handle_create(file, &bo->base.base, &args->handle); + if (!ret) args->vpu_addr = bo->vpu_addr; - args->handle = bo->handle; - } drm_gem_object_put(&bo->base.base); @@ -361,7 +323,9 @@ ivpu_bo_alloc_internal(struct ivpu_device *vdev, u64 vpu_addr, u64 size, u32 fla if (ret) goto err_put; + dma_resv_lock(bo->base.base.resv, NULL); ret = drm_gem_shmem_vmap(&bo->base, &map); + dma_resv_unlock(bo->base.base.resv); if (ret) goto err_put; @@ -376,7 +340,10 @@ void ivpu_bo_free_internal(struct ivpu_bo *bo) { struct iosys_map map = IOSYS_MAP_INIT_VADDR(bo->base.vaddr); + dma_resv_lock(bo->base.base.resv, NULL); drm_gem_shmem_vunmap(&bo->base, &map); + dma_resv_unlock(bo->base.base.resv); + drm_gem_object_put(&bo->base.base); } @@ -432,19 +399,11 @@ int ivpu_bo_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *file static void ivpu_bo_print_info(struct ivpu_bo *bo, struct drm_printer *p) { - unsigned long dma_refcount = 0; - mutex_lock(&bo->lock); - if (bo->base.base.dma_buf && bo->base.base.dma_buf->file) - dma_refcount = atomic_long_read(&bo->base.base.dma_buf->file->f_count); - - drm_printf(p, "%-3u %-6d 0x%-12llx %-10lu 0x%-8x %-4u %-8lu", - bo->ctx->id, bo->handle, bo->vpu_addr, bo->base.base.size, - bo->flags, kref_read(&bo->base.base.refcount), dma_refcount); - - if (bo->base.base.import_attach) - drm_printf(p, " imported"); + drm_printf(p, "%-9p %-3u 0x%-12llx %-10lu 0x%-8x %-4u", + bo, bo->ctx->id, bo->vpu_addr, bo->base.base.size, + bo->flags, kref_read(&bo->base.base.refcount)); if (bo->base.pages) drm_printf(p, " has_pages"); @@ -452,6 +411,9 @@ static void ivpu_bo_print_info(struct ivpu_bo *bo, struct drm_printer *p) if (bo->mmu_mapped) drm_printf(p, " mmu_mapped"); + if (bo->base.base.import_attach) + drm_printf(p, " imported"); + drm_printf(p, "\n"); mutex_unlock(&bo->lock); @@ -462,8 +424,8 @@ void ivpu_bo_list(struct drm_device *dev, struct drm_printer *p) struct ivpu_device *vdev = to_ivpu_device(dev); struct ivpu_bo *bo; - drm_printf(p, "%-3s %-6s %-14s %-10s %-10s %-4s %-8s %s\n", - "ctx", "handle", "vpu_addr", "size", "flags", "refs", "dma_refs", "attribs"); + drm_printf(p, "%-9s %-3s %-14s %-10s %-10s %-4s %s\n", + "bo", "ctx", "vpu_addr", "size", "flags", "refs", "attribs"); mutex_lock(&vdev->bo_list_lock); list_for_each_entry(bo, &vdev->bo_list, bo_list_node) diff --git a/drivers/accel/ivpu/ivpu_gem.h b/drivers/accel/ivpu/ivpu_gem.h index d75cad0d3c74..a8559211c70d 100644 --- a/drivers/accel/ivpu/ivpu_gem.h +++ b/drivers/accel/ivpu/ivpu_gem.h @@ -19,14 +19,13 @@ struct ivpu_bo { struct mutex lock; /* Protects: ctx, mmu_mapped, vpu_addr */ u64 vpu_addr; - u32 handle; u32 flags; u32 job_status; /* Valid only for command buffer */ bool mmu_mapped; }; int ivpu_bo_pin(struct ivpu_bo *bo); -void ivpu_bo_remove_all_bos_from_context(struct ivpu_device *vdev, struct ivpu_mmu_context *ctx); +void ivpu_bo_unbind_all_bos_from_context(struct ivpu_device *vdev, struct ivpu_mmu_context *ctx); struct drm_gem_object *ivpu_gem_create_object(struct drm_device *dev, size_t size); struct ivpu_bo *ivpu_bo_alloc_internal(struct ivpu_device *vdev, u64 vpu_addr, u64 size, u32 flags); diff --git a/drivers/accel/ivpu/ivpu_hw_37xx.c b/drivers/accel/ivpu/ivpu_hw_37xx.c index 574cdeefb66b..f15a93d83057 100644 --- a/drivers/accel/ivpu/ivpu_hw_37xx.c +++ b/drivers/accel/ivpu/ivpu_hw_37xx.c @@ -875,24 +875,18 @@ static void ivpu_hw_37xx_irq_disable(struct ivpu_device *vdev) static void ivpu_hw_37xx_irq_wdt_nce_handler(struct ivpu_device *vdev) { - ivpu_err_ratelimited(vdev, "WDT NCE irq\n"); - - ivpu_pm_schedule_recovery(vdev); + ivpu_pm_trigger_recovery(vdev, "WDT NCE IRQ"); } static void ivpu_hw_37xx_irq_wdt_mss_handler(struct ivpu_device *vdev) { - ivpu_err_ratelimited(vdev, "WDT MSS irq\n"); - ivpu_hw_wdt_disable(vdev); - ivpu_pm_schedule_recovery(vdev); + ivpu_pm_trigger_recovery(vdev, "WDT MSS IRQ"); } static void ivpu_hw_37xx_irq_noc_firewall_handler(struct ivpu_device *vdev) { - ivpu_err_ratelimited(vdev, "NOC Firewall irq\n"); - - ivpu_pm_schedule_recovery(vdev); + ivpu_pm_trigger_recovery(vdev, "NOC Firewall IRQ"); } /* Handler for IRQs from VPU core (irqV) */ @@ -970,7 +964,7 @@ static bool ivpu_hw_37xx_irqb_handler(struct ivpu_device *vdev, int irq) REGB_WR32(VPU_37XX_BUTTRESS_INTERRUPT_STAT, status); if (schedule_recovery) - ivpu_pm_schedule_recovery(vdev); + ivpu_pm_trigger_recovery(vdev, "Buttress IRQ"); return true; } diff --git a/drivers/accel/ivpu/ivpu_hw_40xx.c b/drivers/accel/ivpu/ivpu_hw_40xx.c index eba2fdef2ace..704288084f37 100644 --- a/drivers/accel/ivpu/ivpu_hw_40xx.c +++ b/drivers/accel/ivpu/ivpu_hw_40xx.c @@ -746,7 +746,7 @@ static int ivpu_hw_40xx_info_init(struct ivpu_device *vdev) return 0; } -static int ivpu_hw_40xx_reset(struct ivpu_device *vdev) +static int ivpu_hw_40xx_ip_reset(struct ivpu_device *vdev) { int ret; u32 val; @@ -768,6 +768,23 @@ static int ivpu_hw_40xx_reset(struct ivpu_device *vdev) return ret; } +static int ivpu_hw_40xx_reset(struct ivpu_device *vdev) +{ + int ret = 0; + + if (ivpu_hw_40xx_ip_reset(vdev)) { + ivpu_err(vdev, "Failed to reset VPU IP\n"); + ret = -EIO; + } + + if (ivpu_pll_disable(vdev)) { + ivpu_err(vdev, "Failed to disable PLL\n"); + ret = -EIO; + } + + return ret; +} + static int ivpu_hw_40xx_d0i3_enable(struct ivpu_device *vdev) { int ret; @@ -913,7 +930,7 @@ static int ivpu_hw_40xx_power_down(struct ivpu_device *vdev) ivpu_hw_40xx_save_d0i3_entry_timestamp(vdev); - if (!ivpu_hw_40xx_is_idle(vdev) && ivpu_hw_40xx_reset(vdev)) + if (!ivpu_hw_40xx_is_idle(vdev) && ivpu_hw_40xx_ip_reset(vdev)) ivpu_warn(vdev, "Failed to reset the VPU\n"); if (ivpu_pll_disable(vdev)) { @@ -1032,18 +1049,18 @@ static void ivpu_hw_40xx_irq_disable(struct ivpu_device *vdev) static void ivpu_hw_40xx_irq_wdt_nce_handler(struct ivpu_device *vdev) { /* TODO: For LNN hang consider engine reset instead of full recovery */ - ivpu_pm_schedule_recovery(vdev); + ivpu_pm_trigger_recovery(vdev, "WDT NCE IRQ"); } static void ivpu_hw_40xx_irq_wdt_mss_handler(struct ivpu_device *vdev) { ivpu_hw_wdt_disable(vdev); - ivpu_pm_schedule_recovery(vdev); + ivpu_pm_trigger_recovery(vdev, "WDT MSS IRQ"); } static void ivpu_hw_40xx_irq_noc_firewall_handler(struct ivpu_device *vdev) { - ivpu_pm_schedule_recovery(vdev); + ivpu_pm_trigger_recovery(vdev, "NOC Firewall IRQ"); } /* Handler for IRQs from VPU core (irqV) */ @@ -1137,7 +1154,7 @@ static bool ivpu_hw_40xx_irqb_handler(struct ivpu_device *vdev, int irq) REGB_WR32(VPU_40XX_BUTTRESS_INTERRUPT_STAT, status); if (schedule_recovery) - ivpu_pm_schedule_recovery(vdev); + ivpu_pm_trigger_recovery(vdev, "Buttress IRQ"); return true; } diff --git a/drivers/accel/ivpu/ivpu_ipc.c b/drivers/accel/ivpu/ivpu_ipc.c index e86621f16f85..fa66c39b57ec 100644 --- a/drivers/accel/ivpu/ivpu_ipc.c +++ b/drivers/accel/ivpu/ivpu_ipc.c @@ -343,10 +343,8 @@ int ivpu_ipc_send_receive_active(struct ivpu_device *vdev, struct vpu_jsm_msg *r hb_ret = ivpu_ipc_send_receive_internal(vdev, &hb_req, VPU_JSM_MSG_QUERY_ENGINE_HB_DONE, &hb_resp, VPU_IPC_CHAN_ASYNC_CMD, vdev->timeout.jsm); - if (hb_ret == -ETIMEDOUT) { - ivpu_hw_diagnose_failure(vdev); - ivpu_pm_schedule_recovery(vdev); - } + if (hb_ret == -ETIMEDOUT) + ivpu_pm_trigger_recovery(vdev, "IPC timeout"); return ret; } diff --git a/drivers/accel/ivpu/ivpu_job.c b/drivers/accel/ivpu/ivpu_job.c index 7206cf9cdb4a..0440bee3ecaf 100644 --- a/drivers/accel/ivpu/ivpu_job.c +++ b/drivers/accel/ivpu/ivpu_job.c @@ -112,22 +112,20 @@ static void ivpu_cmdq_release_locked(struct ivpu_file_priv *file_priv, u16 engin } } -void ivpu_cmdq_release_all(struct ivpu_file_priv *file_priv) +void ivpu_cmdq_release_all_locked(struct ivpu_file_priv *file_priv) { int i; - mutex_lock(&file_priv->lock); + lockdep_assert_held(&file_priv->lock); for (i = 0; i < IVPU_NUM_ENGINES; i++) ivpu_cmdq_release_locked(file_priv, i); - - mutex_unlock(&file_priv->lock); } /* * Mark the doorbell as unregistered and reset job queue pointers. * This function needs to be called when the VPU hardware is restarted - * and FW looses job queue state. The next time job queue is used it + * and FW loses job queue state. The next time job queue is used it * will be registered again. */ static void ivpu_cmdq_reset_locked(struct ivpu_file_priv *file_priv, u16 engine) @@ -161,15 +159,13 @@ void ivpu_cmdq_reset_all_contexts(struct ivpu_device *vdev) struct ivpu_file_priv *file_priv; unsigned long ctx_id; - xa_for_each(&vdev->context_xa, ctx_id, file_priv) { - file_priv = ivpu_file_priv_get_by_ctx_id(vdev, ctx_id); - if (!file_priv) - continue; + mutex_lock(&vdev->context_list_lock); + xa_for_each(&vdev->context_xa, ctx_id, file_priv) ivpu_cmdq_reset_all(file_priv); - ivpu_file_priv_put(&file_priv); - } + mutex_unlock(&vdev->context_list_lock); + } static int ivpu_cmdq_push_job(struct ivpu_cmdq *cmdq, struct ivpu_job *job) @@ -243,60 +239,32 @@ static struct dma_fence *ivpu_fence_create(struct ivpu_device *vdev) return &fence->base; } -static void job_get(struct ivpu_job *job, struct ivpu_job **link) +static void ivpu_job_destroy(struct ivpu_job *job) { struct ivpu_device *vdev = job->vdev; - - kref_get(&job->ref); - *link = job; - - ivpu_dbg(vdev, KREF, "Job get: id %u refcount %u\n", job->job_id, kref_read(&job->ref)); -} - -static void job_release(struct kref *ref) -{ - struct ivpu_job *job = container_of(ref, struct ivpu_job, ref); - struct ivpu_device *vdev = job->vdev; u32 i; + ivpu_dbg(vdev, JOB, "Job destroyed: id %3u ctx %2d engine %d", + job->job_id, job->file_priv->ctx.id, job->engine_idx); + for (i = 0; i < job->bo_count; i++) if (job->bos[i]) drm_gem_object_put(&job->bos[i]->base.base); dma_fence_put(job->done_fence); ivpu_file_priv_put(&job->file_priv); - - ivpu_dbg(vdev, KREF, "Job released: id %u\n", job->job_id); kfree(job); - - /* Allow the VPU to get suspended, must be called after ivpu_file_priv_put() */ - ivpu_rpm_put(vdev); -} - -static void job_put(struct ivpu_job *job) -{ - struct ivpu_device *vdev = job->vdev; - - ivpu_dbg(vdev, KREF, "Job put: id %u refcount %u\n", job->job_id, kref_read(&job->ref)); - kref_put(&job->ref, job_release); } static struct ivpu_job * -ivpu_create_job(struct ivpu_file_priv *file_priv, u32 engine_idx, u32 bo_count) +ivpu_job_create(struct ivpu_file_priv *file_priv, u32 engine_idx, u32 bo_count) { struct ivpu_device *vdev = file_priv->vdev; struct ivpu_job *job; - int ret; - - ret = ivpu_rpm_get(vdev); - if (ret < 0) - return NULL; job = kzalloc(struct_size(job, bos, bo_count), GFP_KERNEL); if (!job) - goto err_rpm_put; - - kref_init(&job->ref); + return NULL; job->vdev = vdev; job->engine_idx = engine_idx; @@ -310,17 +278,14 @@ ivpu_create_job(struct ivpu_file_priv *file_priv, u32 engine_idx, u32 bo_count) job->file_priv = ivpu_file_priv_get(file_priv); ivpu_dbg(vdev, JOB, "Job created: ctx %2d engine %d", file_priv->ctx.id, job->engine_idx); - return job; err_free_job: kfree(job); -err_rpm_put: - ivpu_rpm_put(vdev); return NULL; } -static int ivpu_job_done(struct ivpu_device *vdev, u32 job_id, u32 job_status) +static int ivpu_job_signal_and_destroy(struct ivpu_device *vdev, u32 job_id, u32 job_status) { struct ivpu_job *job; @@ -337,9 +302,10 @@ static int ivpu_job_done(struct ivpu_device *vdev, u32 job_id, u32 job_status) ivpu_dbg(vdev, JOB, "Job complete: id %3u ctx %2d engine %d status 0x%x\n", job->job_id, job->file_priv->ctx.id, job->engine_idx, job_status); + ivpu_job_destroy(job); ivpu_stop_job_timeout_detection(vdev); - job_put(job); + ivpu_rpm_put(vdev); return 0; } @@ -349,10 +315,10 @@ void ivpu_jobs_abort_all(struct ivpu_device *vdev) unsigned long id; xa_for_each(&vdev->submitted_jobs_xa, id, job) - ivpu_job_done(vdev, id, VPU_JSM_STATUS_ABORTED); + ivpu_job_signal_and_destroy(vdev, id, VPU_JSM_STATUS_ABORTED); } -static int ivpu_direct_job_submission(struct ivpu_job *job) +static int ivpu_job_submit(struct ivpu_job *job) { struct ivpu_file_priv *file_priv = job->file_priv; struct ivpu_device *vdev = job->vdev; @@ -360,53 +326,65 @@ static int ivpu_direct_job_submission(struct ivpu_job *job) struct ivpu_cmdq *cmdq; int ret; + ret = ivpu_rpm_get(vdev); + if (ret < 0) + return ret; + mutex_lock(&file_priv->lock); cmdq = ivpu_cmdq_acquire(job->file_priv, job->engine_idx); if (!cmdq) { - ivpu_warn(vdev, "Failed get job queue, ctx %d engine %d\n", - file_priv->ctx.id, job->engine_idx); + ivpu_warn_ratelimited(vdev, "Failed get job queue, ctx %d engine %d\n", + file_priv->ctx.id, job->engine_idx); ret = -EINVAL; - goto err_unlock; + goto err_unlock_file_priv; } job_id_range.min = FIELD_PREP(JOB_ID_CONTEXT_MASK, (file_priv->ctx.id - 1)); job_id_range.max = job_id_range.min | JOB_ID_JOB_MASK; - job_get(job, &job); - ret = xa_alloc(&vdev->submitted_jobs_xa, &job->job_id, job, job_id_range, GFP_KERNEL); + xa_lock(&vdev->submitted_jobs_xa); + ret = __xa_alloc(&vdev->submitted_jobs_xa, &job->job_id, job, job_id_range, GFP_KERNEL); if (ret) { - ivpu_warn_ratelimited(vdev, "Failed to allocate job id: %d\n", ret); - goto err_job_put; + ivpu_dbg(vdev, JOB, "Too many active jobs in ctx %d\n", + file_priv->ctx.id); + ret = -EBUSY; + goto err_unlock_submitted_jobs_xa; } ret = ivpu_cmdq_push_job(cmdq, job); if (ret) - goto err_xa_erase; + goto err_erase_xa; ivpu_start_job_timeout_detection(vdev); - ivpu_dbg(vdev, JOB, "Job submitted: id %3u addr 0x%llx ctx %2d engine %d next %d\n", - job->job_id, job->cmd_buf_vpu_addr, file_priv->ctx.id, - job->engine_idx, cmdq->jobq->header.tail); - - if (ivpu_test_mode & IVPU_TEST_MODE_NULL_HW) { - ivpu_job_done(vdev, job->job_id, VPU_JSM_STATUS_SUCCESS); + if (unlikely(ivpu_test_mode & IVPU_TEST_MODE_NULL_HW)) { cmdq->jobq->header.head = cmdq->jobq->header.tail; wmb(); /* Flush WC buffer for jobq header */ } else { ivpu_cmdq_ring_db(vdev, cmdq); } + ivpu_dbg(vdev, JOB, "Job submitted: id %3u ctx %2d engine %d addr 0x%llx next %d\n", + job->job_id, file_priv->ctx.id, job->engine_idx, + job->cmd_buf_vpu_addr, cmdq->jobq->header.tail); + + xa_unlock(&vdev->submitted_jobs_xa); + mutex_unlock(&file_priv->lock); + + if (unlikely(ivpu_test_mode & IVPU_TEST_MODE_NULL_HW)) + ivpu_job_signal_and_destroy(vdev, job->job_id, VPU_JSM_STATUS_SUCCESS); + return 0; -err_xa_erase: - xa_erase(&vdev->submitted_jobs_xa, job->job_id); -err_job_put: - job_put(job); -err_unlock: +err_erase_xa: + __xa_erase(&vdev->submitted_jobs_xa, job->job_id); +err_unlock_submitted_jobs_xa: + xa_unlock(&vdev->submitted_jobs_xa); +err_unlock_file_priv: mutex_unlock(&file_priv->lock); + ivpu_rpm_put(vdev); return ret; } @@ -488,6 +466,9 @@ int ivpu_submit_ioctl(struct drm_device *dev, void *data, struct drm_file *file) if (params->engine > DRM_IVPU_ENGINE_COPY) return -EINVAL; + if (params->priority > DRM_IVPU_JOB_PRIORITY_REALTIME) + return -EINVAL; + if (params->buffer_count == 0 || params->buffer_count > JOB_MAX_BUFFER_COUNT) return -EINVAL; @@ -509,44 +490,49 @@ int ivpu_submit_ioctl(struct drm_device *dev, void *data, struct drm_file *file) params->buffer_count * sizeof(u32)); if (ret) { ret = -EFAULT; - goto free_handles; + goto err_free_handles; } if (!drm_dev_enter(&vdev->drm, &idx)) { ret = -ENODEV; - goto free_handles; + goto err_free_handles; } ivpu_dbg(vdev, JOB, "Submit ioctl: ctx %u buf_count %u\n", file_priv->ctx.id, params->buffer_count); - job = ivpu_create_job(file_priv, params->engine, params->buffer_count); + job = ivpu_job_create(file_priv, params->engine, params->buffer_count); if (!job) { ivpu_err(vdev, "Failed to create job\n"); ret = -ENOMEM; - goto dev_exit; + goto err_exit_dev; } ret = ivpu_job_prepare_bos_for_submit(file, job, buf_handles, params->buffer_count, params->commands_offset); if (ret) { - ivpu_err(vdev, "Failed to prepare job, ret %d\n", ret); - goto job_put; + ivpu_err(vdev, "Failed to prepare job: %d\n", ret); + goto err_destroy_job; } - ret = ivpu_direct_job_submission(job); - if (ret) { - dma_fence_signal(job->done_fence); - ivpu_err(vdev, "Failed to submit job to the HW, ret %d\n", ret); - } + down_read(&vdev->pm->reset_lock); + ret = ivpu_job_submit(job); + up_read(&vdev->pm->reset_lock); + if (ret) + goto err_signal_fence; -job_put: - job_put(job); -dev_exit: drm_dev_exit(idx); -free_handles: kfree(buf_handles); + return ret; +err_signal_fence: + dma_fence_signal(job->done_fence); +err_destroy_job: + ivpu_job_destroy(job); +err_exit_dev: + drm_dev_exit(idx); +err_free_handles: + kfree(buf_handles); return ret; } @@ -568,7 +554,7 @@ ivpu_job_done_callback(struct ivpu_device *vdev, struct ivpu_ipc_hdr *ipc_hdr, } payload = (struct vpu_ipc_msg_payload_job_done *)&jsm_msg->payload; - ret = ivpu_job_done(vdev, payload->job_id, payload->job_status); + ret = ivpu_job_signal_and_destroy(vdev, payload->job_id, payload->job_status); if (!ret && !xa_empty(&vdev->submitted_jobs_xa)) ivpu_start_job_timeout_detection(vdev); } diff --git a/drivers/accel/ivpu/ivpu_job.h b/drivers/accel/ivpu/ivpu_job.h index 45a2f2ec82e5..ca4984071cc7 100644 --- a/drivers/accel/ivpu/ivpu_job.h +++ b/drivers/accel/ivpu/ivpu_job.h @@ -43,7 +43,6 @@ struct ivpu_cmdq { will update the job status */ struct ivpu_job { - struct kref ref; struct ivpu_device *vdev; struct ivpu_file_priv *file_priv; struct dma_fence *done_fence; @@ -56,7 +55,7 @@ struct ivpu_job { int ivpu_submit_ioctl(struct drm_device *dev, void *data, struct drm_file *file); -void ivpu_cmdq_release_all(struct ivpu_file_priv *file_priv); +void ivpu_cmdq_release_all_locked(struct ivpu_file_priv *file_priv); void ivpu_cmdq_reset_all_contexts(struct ivpu_device *vdev); void ivpu_job_done_consumer_init(struct ivpu_device *vdev); diff --git a/drivers/accel/ivpu/ivpu_mmu.c b/drivers/accel/ivpu/ivpu_mmu.c index 2228c44b115f..9a3122ffce03 100644 --- a/drivers/accel/ivpu/ivpu_mmu.c +++ b/drivers/accel/ivpu/ivpu_mmu.c @@ -7,6 +7,7 @@ #include <linux/highmem.h> #include "ivpu_drv.h" +#include "ivpu_hw.h" #include "ivpu_hw_reg_io.h" #include "ivpu_mmu.h" #include "ivpu_mmu_context.h" @@ -518,6 +519,7 @@ static int ivpu_mmu_cmdq_sync(struct ivpu_device *vdev) ivpu_err(vdev, "Timed out waiting for MMU consumer: %d, error: %s\n", ret, ivpu_mmu_cmdq_err_to_str(err)); + ivpu_hw_diagnose_failure(vdev); } return ret; @@ -885,7 +887,6 @@ static u32 *ivpu_mmu_get_event(struct ivpu_device *vdev) void ivpu_mmu_irq_evtq_handler(struct ivpu_device *vdev) { - bool schedule_recovery = false; u32 *event; u32 ssid; @@ -895,14 +896,21 @@ void ivpu_mmu_irq_evtq_handler(struct ivpu_device *vdev) ivpu_mmu_dump_event(vdev, event); ssid = FIELD_GET(IVPU_MMU_EVT_SSID_MASK, event[0]); - if (ssid == IVPU_GLOBAL_CONTEXT_MMU_SSID) - schedule_recovery = true; - else - ivpu_mmu_user_context_mark_invalid(vdev, ssid); + if (ssid == IVPU_GLOBAL_CONTEXT_MMU_SSID) { + ivpu_pm_trigger_recovery(vdev, "MMU event"); + return; + } + + ivpu_mmu_user_context_mark_invalid(vdev, ssid); } +} - if (schedule_recovery) - ivpu_pm_schedule_recovery(vdev); +void ivpu_mmu_evtq_dump(struct ivpu_device *vdev) +{ + u32 *event; + + while ((event = ivpu_mmu_get_event(vdev)) != NULL) + ivpu_mmu_dump_event(vdev, event); } void ivpu_mmu_irq_gerr_handler(struct ivpu_device *vdev) diff --git a/drivers/accel/ivpu/ivpu_mmu.h b/drivers/accel/ivpu/ivpu_mmu.h index cb551126806b..6fa35c240710 100644 --- a/drivers/accel/ivpu/ivpu_mmu.h +++ b/drivers/accel/ivpu/ivpu_mmu.h @@ -46,5 +46,6 @@ int ivpu_mmu_invalidate_tlb(struct ivpu_device *vdev, u16 ssid); void ivpu_mmu_irq_evtq_handler(struct ivpu_device *vdev); void ivpu_mmu_irq_gerr_handler(struct ivpu_device *vdev); +void ivpu_mmu_evtq_dump(struct ivpu_device *vdev); #endif /* __IVPU_MMU_H__ */ diff --git a/drivers/accel/ivpu/ivpu_mmu_context.c b/drivers/accel/ivpu/ivpu_mmu_context.c index 12a8c09d4547..fe6161299236 100644 --- a/drivers/accel/ivpu/ivpu_mmu_context.c +++ b/drivers/accel/ivpu/ivpu_mmu_context.c @@ -355,6 +355,9 @@ ivpu_mmu_context_map_sgt(struct ivpu_device *vdev, struct ivpu_mmu_context *ctx, dma_addr_t dma_addr = sg_dma_address(sg) - sg->offset; size_t size = sg_dma_len(sg) + sg->offset; + ivpu_dbg(vdev, MMU_MAP, "Map ctx: %u dma_addr: 0x%llx vpu_addr: 0x%llx size: %lu\n", + ctx->id, dma_addr, vpu_addr, size); + ret = ivpu_mmu_context_map_pages(vdev, ctx, vpu_addr, dma_addr, size, prot); if (ret) { ivpu_err(vdev, "Failed to map context pages\n"); @@ -366,6 +369,7 @@ ivpu_mmu_context_map_sgt(struct ivpu_device *vdev, struct ivpu_mmu_context *ctx, /* Ensure page table modifications are flushed from wc buffers to memory */ wmb(); + mutex_unlock(&ctx->lock); ret = ivpu_mmu_invalidate_tlb(vdev, ctx->id); @@ -388,14 +392,19 @@ ivpu_mmu_context_unmap_sgt(struct ivpu_device *vdev, struct ivpu_mmu_context *ct mutex_lock(&ctx->lock); for_each_sgtable_dma_sg(sgt, sg, i) { + dma_addr_t dma_addr = sg_dma_address(sg) - sg->offset; size_t size = sg_dma_len(sg) + sg->offset; + ivpu_dbg(vdev, MMU_MAP, "Unmap ctx: %u dma_addr: 0x%llx vpu_addr: 0x%llx size: %lu\n", + ctx->id, dma_addr, vpu_addr, size); + ivpu_mmu_context_unmap_pages(ctx, vpu_addr, size); vpu_addr += size; } /* Ensure page table modifications are flushed from wc buffers to memory */ wmb(); + mutex_unlock(&ctx->lock); ret = ivpu_mmu_invalidate_tlb(vdev, ctx->id); diff --git a/drivers/accel/ivpu/ivpu_pm.c b/drivers/accel/ivpu/ivpu_pm.c index 0af8864cb3b5..f501f27ebafd 100644 --- a/drivers/accel/ivpu/ivpu_pm.c +++ b/drivers/accel/ivpu/ivpu_pm.c @@ -13,6 +13,7 @@ #include "ivpu_drv.h" #include "ivpu_hw.h" #include "ivpu_fw.h" +#include "ivpu_fw_log.h" #include "ivpu_ipc.h" #include "ivpu_job.h" #include "ivpu_jsm_msg.h" @@ -111,6 +112,14 @@ static void ivpu_pm_recovery_work(struct work_struct *work) char *evt[2] = {"IVPU_PM_EVENT=IVPU_RECOVER", NULL}; int ret; + ivpu_err(vdev, "Recovering the VPU (reset #%d)\n", atomic_read(&vdev->pm->reset_counter)); + + ret = pm_runtime_resume_and_get(vdev->drm.dev); + if (ret) + ivpu_err(vdev, "Failed to resume VPU: %d\n", ret); + + ivpu_fw_log_dump(vdev); + retry: ret = pci_try_reset_function(to_pci_dev(vdev->drm.dev)); if (ret == -EAGAIN && !drm_dev_is_unplugged(&vdev->drm)) { @@ -122,11 +131,13 @@ retry: ivpu_err(vdev, "Failed to reset VPU: %d\n", ret); kobject_uevent_env(&vdev->drm.dev->kobj, KOBJ_CHANGE, evt); + pm_runtime_mark_last_busy(vdev->drm.dev); + pm_runtime_put_autosuspend(vdev->drm.dev); } -void ivpu_pm_schedule_recovery(struct ivpu_device *vdev) +void ivpu_pm_trigger_recovery(struct ivpu_device *vdev, const char *reason) { - struct ivpu_pm_info *pm = vdev->pm; + ivpu_err(vdev, "Recovery triggered by %s\n", reason); if (ivpu_disable_recovery) { ivpu_err(vdev, "Recovery not available when disable_recovery param is set\n"); @@ -138,10 +149,11 @@ void ivpu_pm_schedule_recovery(struct ivpu_device *vdev) return; } - /* Schedule recovery if it's not in progress */ - if (atomic_cmpxchg(&pm->in_reset, 0, 1) == 0) { - ivpu_hw_irq_disable(vdev); - queue_work(system_long_wq, &pm->recovery_work); + /* Trigger recovery if it's not in progress */ + if (atomic_cmpxchg(&vdev->pm->reset_pending, 0, 1) == 0) { + ivpu_hw_diagnose_failure(vdev); + ivpu_hw_irq_disable(vdev); /* Disable IRQ early to protect from IRQ storm */ + queue_work(system_long_wq, &vdev->pm->recovery_work); } } @@ -149,12 +161,8 @@ static void ivpu_job_timeout_work(struct work_struct *work) { struct ivpu_pm_info *pm = container_of(work, struct ivpu_pm_info, job_timeout_work.work); struct ivpu_device *vdev = pm->vdev; - unsigned long timeout_ms = ivpu_tdr_timeout_ms ? ivpu_tdr_timeout_ms : vdev->timeout.tdr; - ivpu_err(vdev, "TDR detected, timeout %lu ms", timeout_ms); - ivpu_hw_diagnose_failure(vdev); - - ivpu_pm_schedule_recovery(vdev); + ivpu_pm_trigger_recovery(vdev, "TDR"); } void ivpu_start_job_timeout_detection(struct ivpu_device *vdev) @@ -227,6 +235,9 @@ int ivpu_pm_runtime_suspend_cb(struct device *dev) bool hw_is_idle = true; int ret; + drm_WARN_ON(&vdev->drm, !xa_empty(&vdev->submitted_jobs_xa)); + drm_WARN_ON(&vdev->drm, work_pending(&vdev->pm->recovery_work)); + ivpu_dbg(vdev, PM, "Runtime suspend..\n"); if (!ivpu_hw_is_idle(vdev) && vdev->pm->suspend_reschedule_counter) { @@ -247,7 +258,8 @@ int ivpu_pm_runtime_suspend_cb(struct device *dev) ivpu_err(vdev, "Failed to set suspend VPU: %d\n", ret); if (!hw_is_idle) { - ivpu_warn(vdev, "VPU failed to enter idle, force suspended.\n"); + ivpu_err(vdev, "VPU failed to enter idle, force suspended.\n"); + ivpu_fw_log_dump(vdev); ivpu_pm_prepare_cold_boot(vdev); } else { ivpu_pm_prepare_warm_boot(vdev); @@ -308,11 +320,12 @@ void ivpu_pm_reset_prepare_cb(struct pci_dev *pdev) { struct ivpu_device *vdev = pci_get_drvdata(pdev); - pm_runtime_get_sync(vdev->drm.dev); - ivpu_dbg(vdev, PM, "Pre-reset..\n"); atomic_inc(&vdev->pm->reset_counter); - atomic_set(&vdev->pm->in_reset, 1); + atomic_set(&vdev->pm->reset_pending, 1); + + pm_runtime_get_sync(vdev->drm.dev); + down_write(&vdev->pm->reset_lock); ivpu_prepare_for_reset(vdev); ivpu_hw_reset(vdev); ivpu_pm_prepare_cold_boot(vdev); @@ -329,9 +342,11 @@ void ivpu_pm_reset_done_cb(struct pci_dev *pdev) ret = ivpu_resume(vdev); if (ret) ivpu_err(vdev, "Failed to set RESUME state: %d\n", ret); - atomic_set(&vdev->pm->in_reset, 0); + up_write(&vdev->pm->reset_lock); + atomic_set(&vdev->pm->reset_pending, 0); ivpu_dbg(vdev, PM, "Post-reset done.\n"); + pm_runtime_mark_last_busy(vdev->drm.dev); pm_runtime_put_autosuspend(vdev->drm.dev); } @@ -344,7 +359,10 @@ void ivpu_pm_init(struct ivpu_device *vdev) pm->vdev = vdev; pm->suspend_reschedule_counter = PM_RESCHEDULE_LIMIT; - atomic_set(&pm->in_reset, 0); + init_rwsem(&pm->reset_lock); + atomic_set(&pm->reset_pending, 0); + atomic_set(&pm->reset_counter, 0); + INIT_WORK(&pm->recovery_work, ivpu_pm_recovery_work); INIT_DELAYED_WORK(&pm->job_timeout_work, ivpu_job_timeout_work); diff --git a/drivers/accel/ivpu/ivpu_pm.h b/drivers/accel/ivpu/ivpu_pm.h index 97c6e0b0aa42..ec60fbeefefc 100644 --- a/drivers/accel/ivpu/ivpu_pm.h +++ b/drivers/accel/ivpu/ivpu_pm.h @@ -6,6 +6,7 @@ #ifndef __IVPU_PM_H__ #define __IVPU_PM_H__ +#include <linux/rwsem.h> #include <linux/types.h> struct ivpu_device; @@ -14,8 +15,9 @@ struct ivpu_pm_info { struct ivpu_device *vdev; struct delayed_work job_timeout_work; struct work_struct recovery_work; - atomic_t in_reset; + struct rw_semaphore reset_lock; atomic_t reset_counter; + atomic_t reset_pending; bool is_warmboot; u32 suspend_reschedule_counter; }; @@ -37,7 +39,7 @@ int __must_check ivpu_rpm_get(struct ivpu_device *vdev); int __must_check ivpu_rpm_get_if_active(struct ivpu_device *vdev); void ivpu_rpm_put(struct ivpu_device *vdev); -void ivpu_pm_schedule_recovery(struct ivpu_device *vdev); +void ivpu_pm_trigger_recovery(struct ivpu_device *vdev, const char *reason); void ivpu_start_job_timeout_detection(struct ivpu_device *vdev); void ivpu_stop_job_timeout_detection(struct ivpu_device *vdev); |