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| author | Melissa Wen <mwen@igalia.com> | 2022-12-05 14:55:38 +0100 |
|---|---|---|
| committer | Melissa Wen <melissa.srw@gmail.com> | 2022-12-19 01:08:20 +0100 |
| commit | 5d9306052180ec2b900669ed8c1172fe00f8dd1a (patch) | |
| tree | d00d841e121f472706986972afa7d726ef3eb519 /drivers/gpu/drm/v3d | |
| parent | drm/v3d: cleanup BOs properly when lookup_bos fails (diff) | |
| download | linux-5d9306052180ec2b900669ed8c1172fe00f8dd1a.tar.xz linux-5d9306052180ec2b900669ed8c1172fe00f8dd1a.zip | |
drm/v3d: replace obj lookup steps with drm_gem_objects_lookup
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 <mwen@igalia.com>
Reviewed-by: Maíra Canal <mcanal@igalia.com>
Signed-off-by: Melissa Wen <melissa.srw@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221205135538.3545051-3-mwen@igalia.com
Diffstat (limited to 'drivers/gpu/drm/v3d')
| -rw-r--r-- | drivers/gpu/drm/v3d/v3d_gem.c | 49 |
1 files changed, 3 insertions, 46 deletions
diff --git a/drivers/gpu/drm/v3d/v3d_gem.c b/drivers/gpu/drm/v3d/v3d_gem.c index 31a37572c11d..6e152ef26358 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 |