From: YoungJun Cho yj44.cho@samsung.com
This patch adds ipp_remove_id() for idr resource free.
Signed-off-by: YoungJun Cho yj44.cho@samsung.com Acked-by: Seong-Woo Kim sw0312.kim@samsung.com Acked-by: Kyungmin Park kyungmin.park@samsung.com Tested-by: Andrzej Hajda a.hajda@samsung.com --- drivers/gpu/drm/exynos/exynos_drm_ipp.c | 42 ++++++++++++++++++++++++--------- 1 file changed, 31 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.c b/drivers/gpu/drm/exynos/exynos_drm_ipp.c index b60ae54..f1c51b4 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_ipp.c +++ b/drivers/gpu/drm/exynos/exynos_drm_ipp.c @@ -167,6 +167,13 @@ static int ipp_create_id(struct idr *id_idr, struct mutex *lock, void *obj, return 0; }
+static void ipp_remove_id(struct idr *id_idr, struct mutex *lock, u32 id) +{ + mutex_lock(lock); + idr_remove(id_idr, id); + mutex_unlock(lock); +} + static void *ipp_find_obj(struct idr *id_idr, struct mutex *lock, u32 id) { void *obj; @@ -501,7 +508,7 @@ int exynos_drm_ipp_set_property(struct drm_device *drm_dev, void *data, c_node->start_work = ipp_create_cmd_work(); if (IS_ERR(c_node->start_work)) { DRM_ERROR("failed to create start work.\n"); - goto err_clear; + goto err_remove_id; }
c_node->stop_work = ipp_create_cmd_work(); @@ -542,16 +549,22 @@ err_free_stop: kfree(c_node->stop_work); err_free_start: kfree(c_node->start_work); +err_remove_id: + ipp_remove_id(&ctx->prop_idr, &ctx->prop_lock, property->prop_id); err_clear: kfree(c_node); return ret; }
-static void ipp_clean_cmd_node(struct drm_exynos_ipp_cmd_node *c_node) +static void ipp_clean_cmd_node(struct ipp_context *ctx, + struct drm_exynos_ipp_cmd_node *c_node) { /* delete list */ list_del(&c_node->list);
+ ipp_remove_id(&ctx->prop_idr, &ctx->prop_lock, + c_node->property.prop_id); + /* destroy mutex */ mutex_destroy(&c_node->lock); mutex_destroy(&c_node->mem_lock); @@ -1122,7 +1135,7 @@ int exynos_drm_ipp_cmd_ctrl(struct drm_device *drm_dev, void *data, c_node->state = IPP_STATE_STOP; ippdrv->dedicated = false; mutex_lock(&ippdrv->cmd_lock); - ipp_clean_cmd_node(c_node); + ipp_clean_cmd_node(ctx, c_node);
if (list_empty(&ippdrv->cmd_list)) pm_runtime_put_sync(ippdrv->dev); @@ -1686,7 +1699,7 @@ static int ipp_subdrv_probe(struct drm_device *drm_dev, struct device *dev) &ipp_id); if (ret || ipp_id == 0) { DRM_ERROR("failed to create id.\n"); - goto err_idr; + goto err; }
DRM_DEBUG_KMS("count[%d]ippdrv[0x%x]ipp_id[%d]\n", @@ -1707,34 +1720,40 @@ static int ipp_subdrv_probe(struct drm_device *drm_dev, struct device *dev) ret = drm_iommu_attach_device(drm_dev, ippdrv->dev); if (ret) { DRM_ERROR("failed to activate iommu\n"); - goto err_iommu; + goto err; } } }
return 0;
-err_iommu: +err: /* get ipp driver entry */ - list_for_each_entry_reverse(ippdrv, &exynos_drm_ippdrv_list, drv_list) + list_for_each_entry_continue_reverse(ippdrv, &exynos_drm_ippdrv_list, + drv_list) { if (is_drm_iommu_supported(drm_dev)) drm_iommu_detach_device(drm_dev, ippdrv->dev);
-err_idr: - idr_destroy(&ctx->ipp_idr); - idr_destroy(&ctx->prop_idr); + ipp_remove_id(&ctx->ipp_idr, &ctx->ipp_lock, + ippdrv->prop_list.ipp_id); + } + return ret; }
static void ipp_subdrv_remove(struct drm_device *drm_dev, struct device *dev) { struct exynos_drm_ippdrv *ippdrv; + struct ipp_context *ctx = get_ipp_context(dev);
/* get ipp driver entry */ list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) { if (is_drm_iommu_supported(drm_dev)) drm_iommu_detach_device(drm_dev, ippdrv->dev);
+ ipp_remove_id(&ctx->ipp_idr, &ctx->ipp_lock, + ippdrv->prop_list.ipp_id); + ippdrv->drm_dev = NULL; exynos_drm_ippdrv_unregister(ippdrv); } @@ -1765,6 +1784,7 @@ static void ipp_subdrv_close(struct drm_device *drm_dev, struct device *dev, struct drm_exynos_file_private *file_priv = file->driver_priv; struct exynos_drm_ipp_private *priv = file_priv->ipp_priv; struct exynos_drm_ippdrv *ippdrv = NULL; + struct ipp_context *ctx = get_ipp_context(dev); struct drm_exynos_ipp_cmd_node *c_node, *tc_node; int count = 0;
@@ -1791,7 +1811,7 @@ static void ipp_subdrv_close(struct drm_device *drm_dev, struct device *dev, }
ippdrv->dedicated = false; - ipp_clean_cmd_node(c_node); + ipp_clean_cmd_node(ctx, c_node); if (list_empty(&ippdrv->cmd_list)) pm_runtime_put_sync(ippdrv->dev); }