diff options
Diffstat (limited to 'drivers/accel/amdxdna/amdxdna_pci_drv.c')
| -rw-r--r-- | drivers/accel/amdxdna/amdxdna_pci_drv.c | 108 |
1 files changed, 35 insertions, 73 deletions
diff --git a/drivers/accel/amdxdna/amdxdna_pci_drv.c b/drivers/accel/amdxdna/amdxdna_pci_drv.c index f2bf1d374cc7..569cd703729d 100644 --- a/drivers/accel/amdxdna/amdxdna_pci_drv.c +++ b/drivers/accel/amdxdna/amdxdna_pci_drv.c @@ -27,6 +27,13 @@ MODULE_FIRMWARE("amdnpu/17f0_11/npu.sbin"); MODULE_FIRMWARE("amdnpu/17f0_20/npu.sbin"); /* + * 0.0: Initial version + * 0.1: Support getting all hardware contexts by DRM_IOCTL_AMDXDNA_GET_ARRAY + */ +#define AMDXDNA_DRIVER_MAJOR 0 +#define AMDXDNA_DRIVER_MINOR 1 + +/* * Bind the driver base on (vendor_id, device_id) pair and later use the * (device_id, rev_id) pair as a key to select the devices. The devices with * same device_id have very similar interface to host driver. @@ -81,7 +88,6 @@ static int amdxdna_drm_open(struct drm_device *ddev, struct drm_file *filp) ret = -ENODEV; goto unbind_sva; } - mutex_init(&client->hwctx_lock); init_srcu_struct(&client->hwctx_srcu); xa_init_flags(&client->hwctx_xa, XA_FLAGS_ALLOC); mutex_init(&client->mm_lock); @@ -116,7 +122,6 @@ static void amdxdna_drm_close(struct drm_device *ddev, struct drm_file *filp) xa_destroy(&client->hwctx_xa); cleanup_srcu_struct(&client->hwctx_srcu); - mutex_destroy(&client->hwctx_lock); mutex_destroy(&client->mm_lock); if (client->dev_heap) drm_gem_object_put(to_gobj(client->dev_heap)); @@ -142,8 +147,8 @@ static int amdxdna_flush(struct file *f, fl_owner_t id) mutex_lock(&xdna->dev_lock); list_del_init(&client->node); - mutex_unlock(&xdna->dev_lock); amdxdna_hwctx_remove_all(client); + mutex_unlock(&xdna->dev_lock); drm_dev_exit(idx); return 0; @@ -166,6 +171,23 @@ static int amdxdna_drm_get_info_ioctl(struct drm_device *dev, void *data, struct return ret; } +static int amdxdna_drm_get_array_ioctl(struct drm_device *dev, void *data, + struct drm_file *filp) +{ + struct amdxdna_client *client = filp->driver_priv; + struct amdxdna_dev *xdna = to_xdna_dev(dev); + struct amdxdna_drm_get_array *args = data; + + if (!xdna->dev_info->ops->get_array) + return -EOPNOTSUPP; + + if (args->pad || !args->num_element || !args->element_size) + return -EINVAL; + + guard(mutex)(&xdna->dev_lock); + return xdna->dev_info->ops->get_array(client, args); +} + static int amdxdna_drm_set_state_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) { struct amdxdna_client *client = filp->driver_priv; @@ -197,6 +219,7 @@ static const struct drm_ioctl_desc amdxdna_drm_ioctls[] = { DRM_IOCTL_DEF_DRV(AMDXDNA_EXEC_CMD, amdxdna_drm_submit_cmd_ioctl, 0), /* AIE hardware */ DRM_IOCTL_DEF_DRV(AMDXDNA_GET_INFO, amdxdna_drm_get_info_ioctl, 0), + DRM_IOCTL_DEF_DRV(AMDXDNA_GET_ARRAY, amdxdna_drm_get_array_ioctl, 0), DRM_IOCTL_DEF_DRV(AMDXDNA_SET_STATE, amdxdna_drm_set_state_ioctl, DRM_ROOT_ONLY), }; @@ -220,6 +243,8 @@ const struct drm_driver amdxdna_drm_drv = { .fops = &amdxdna_fops, .name = "amdxdna_accel_driver", .desc = "AMD XDNA DRM implementation", + .major = AMDXDNA_DRIVER_MAJOR, + .minor = AMDXDNA_DRIVER_MINOR, .open = amdxdna_drm_open, .postclose = amdxdna_drm_close, .ioctls = amdxdna_drm_ioctls, @@ -330,11 +355,8 @@ static void amdxdna_remove(struct pci_dev *pdev) struct amdxdna_client, node); while (client) { list_del_init(&client->node); - mutex_unlock(&xdna->dev_lock); - amdxdna_hwctx_remove_all(client); - mutex_lock(&xdna->dev_lock); client = list_first_entry_or_null(&xdna->client_list, struct amdxdna_client, node); } @@ -343,89 +365,29 @@ static void amdxdna_remove(struct pci_dev *pdev) mutex_unlock(&xdna->dev_lock); } -static int amdxdna_dev_suspend_nolock(struct amdxdna_dev *xdna) -{ - if (xdna->dev_info->ops->suspend) - xdna->dev_info->ops->suspend(xdna); - - return 0; -} - -static int amdxdna_dev_resume_nolock(struct amdxdna_dev *xdna) -{ - if (xdna->dev_info->ops->resume) - return xdna->dev_info->ops->resume(xdna); - - return 0; -} - static int amdxdna_pmops_suspend(struct device *dev) { struct amdxdna_dev *xdna = pci_get_drvdata(to_pci_dev(dev)); - struct amdxdna_client *client; - - mutex_lock(&xdna->dev_lock); - list_for_each_entry(client, &xdna->client_list, node) - amdxdna_hwctx_suspend(client); - amdxdna_dev_suspend_nolock(xdna); - mutex_unlock(&xdna->dev_lock); + if (!xdna->dev_info->ops->suspend) + return -EOPNOTSUPP; - return 0; + return xdna->dev_info->ops->suspend(xdna); } static int amdxdna_pmops_resume(struct device *dev) { struct amdxdna_dev *xdna = pci_get_drvdata(to_pci_dev(dev)); - struct amdxdna_client *client; - int ret; - - XDNA_INFO(xdna, "firmware resuming..."); - mutex_lock(&xdna->dev_lock); - ret = amdxdna_dev_resume_nolock(xdna); - if (ret) { - XDNA_ERR(xdna, "resume NPU firmware failed"); - mutex_unlock(&xdna->dev_lock); - return ret; - } - - XDNA_INFO(xdna, "hardware context resuming..."); - list_for_each_entry(client, &xdna->client_list, node) - amdxdna_hwctx_resume(client); - mutex_unlock(&xdna->dev_lock); - - return 0; -} - -static int amdxdna_rpmops_suspend(struct device *dev) -{ - struct amdxdna_dev *xdna = pci_get_drvdata(to_pci_dev(dev)); - int ret; - - mutex_lock(&xdna->dev_lock); - ret = amdxdna_dev_suspend_nolock(xdna); - mutex_unlock(&xdna->dev_lock); - XDNA_DBG(xdna, "Runtime suspend done ret: %d", ret); - return ret; -} - -static int amdxdna_rpmops_resume(struct device *dev) -{ - struct amdxdna_dev *xdna = pci_get_drvdata(to_pci_dev(dev)); - int ret; - - mutex_lock(&xdna->dev_lock); - ret = amdxdna_dev_resume_nolock(xdna); - mutex_unlock(&xdna->dev_lock); + if (!xdna->dev_info->ops->resume) + return -EOPNOTSUPP; - XDNA_DBG(xdna, "Runtime resume done ret: %d", ret); - return ret; + return xdna->dev_info->ops->resume(xdna); } static const struct dev_pm_ops amdxdna_pm_ops = { SYSTEM_SLEEP_PM_OPS(amdxdna_pmops_suspend, amdxdna_pmops_resume) - RUNTIME_PM_OPS(amdxdna_rpmops_suspend, amdxdna_rpmops_resume, NULL) + RUNTIME_PM_OPS(amdxdna_pmops_suspend, amdxdna_pmops_resume, NULL) }; static struct pci_driver amdxdna_pci_driver = { |