Re: [PATCH 9/9] drm/msm: Add a way for userspace to allocate GPU iova

On 3/30/22 02:00, Rob Clark wrote:

+static int msm_ioctl_gem_info_set_iova(struct drm_device *dev,

• struct drm_file *file, struct drm_gem_object *obj,
  

• uint64_t iova)
  

+{

• struct msm_drm_private *priv = dev->dev_private;
• struct msm_file_private *ctx = file->driver_priv;
• if (!priv->gpu)

• return -EINVAL;
  

• /* Only supported if per-process address space is supported: */
• if (priv->gpu->aspace == ctx->aspace)

• return -EINVAL;
  

nit: -EOPNOTSUPP ?