From 5d9306052180ec2b900669ed8c1172fe00f8dd1a Mon Sep 17 00:00:00 2001 From: Melissa Wen Date: Mon, 5 Dec 2022 12:55:38 -0100 Subject: [PATCH] drm/v3d: replace obj lookup steps with drm_gem_objects_lookup MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit As v3d_lookup_bos() performs the same steps as drm_gem_objects_lookup(), replace the explicit code in v3d to simply use the DRM function. Signed-off-by: Melissa Wen Reviewed-by: Maíra Canal Signed-off-by: Melissa Wen Link: https://patchwork.freedesktop.org/patch/msgid/20221205135538.3545051-3-mwen@igalia.com --- drivers/gpu/drm/v3d/v3d_gem.c | 49 +++---------------------------------------- 1 file changed, 3 insertions(+), 46 deletions(-) diff --git a/drivers/gpu/drm/v3d/v3d_gem.c b/drivers/gpu/drm/v3d/v3d_gem.c index 31a3757..6e152ef 100644 --- a/drivers/gpu/drm/v3d/v3d_gem.c +++ b/drivers/gpu/drm/v3d/v3d_gem.c @@ -299,10 +299,6 @@ v3d_lookup_bos(struct drm_device *dev, u64 bo_handles, u32 bo_count) { - u32 *handles; - int ret = 0; - int i; - job->bo_count = bo_count; if (!job->bo_count) { @@ -313,48 +309,9 @@ v3d_lookup_bos(struct drm_device *dev, return -EINVAL; } - job->bo = kvmalloc_array(job->bo_count, - sizeof(struct drm_gem_dma_object *), - GFP_KERNEL | __GFP_ZERO); - if (!job->bo) { - DRM_DEBUG("Failed to allocate validated BO pointers\n"); - return -ENOMEM; - } - - handles = kvmalloc_array(job->bo_count, sizeof(u32), GFP_KERNEL); - if (!handles) { - ret = -ENOMEM; - DRM_DEBUG("Failed to allocate incoming GEM handles\n"); - goto fail; - } - - if (copy_from_user(handles, - (void __user *)(uintptr_t)bo_handles, - job->bo_count * sizeof(u32))) { - ret = -EFAULT; - DRM_DEBUG("Failed to copy in GEM handles\n"); - goto fail; - } - - spin_lock(&file_priv->table_lock); - for (i = 0; i < job->bo_count; i++) { - struct drm_gem_object *bo = idr_find(&file_priv->object_idr, - handles[i]); - if (!bo) { - DRM_DEBUG("Failed to look up GEM BO %d: %d\n", - i, handles[i]); - ret = -ENOENT; - spin_unlock(&file_priv->table_lock); - goto fail; - } - drm_gem_object_get(bo); - job->bo[i] = bo; - } - spin_unlock(&file_priv->table_lock); - -fail: - kvfree(handles); - return ret; + return drm_gem_objects_lookup(file_priv, + (void __user *)(uintptr_t)bo_handles, + job->bo_count, &job->bo); } static void -- 2.7.4