Re: [PATCH 01/16] drm/i915/vm_bind: Expose vm lookup function

[Matthew Auld <matthew.auld@intel.com>]

On 28/09/2022 07:19, Niranjana Vishwanathapura wrote:
> Make i915_gem_vm_lookup() function non-static as it will be
> used by the vm_bind feature.
> 
> Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
> Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>

Acked-by: Matthew Auld <matthew.auld@intel.com>

> ---
>   drivers/gpu/drm/i915/gem/i915_gem_context.c | 11 ++++++++++-
>   drivers/gpu/drm/i915/gem/i915_gem_context.h |  3 +++
>   2 files changed, 13 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c
> index 0bcde53c50c6..f4e648ec01ed 100644
> --- a/drivers/gpu/drm/i915/gem/i915_gem_context.c
> +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c
> @@ -346,7 +346,16 @@ static int proto_context_register(struct drm_i915_file_private *fpriv,
>   	return ret;
>   }
>   
> -static struct i915_address_space *
> +/**
> + * i915_gem_vm_lookup() - looks up for the VM reference given the vm id
> + * @file_priv: the private data associated with the user's file
> + * @id: the VM id
> + *
> + * Finds the VM reference associated to a specific id.
> + *
> + * Returns the VM pointer on success, NULL in case of failure.
> + */
> +struct i915_address_space *
>   i915_gem_vm_lookup(struct drm_i915_file_private *file_priv, u32 id)
>   {
>   	struct i915_address_space *vm;
> diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.h b/drivers/gpu/drm/i915/gem/i915_gem_context.h
> index e5b0f66ea1fe..899fa8f1e0fe 100644
> --- a/drivers/gpu/drm/i915/gem/i915_gem_context.h
> +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.h
> @@ -139,6 +139,9 @@ int i915_gem_context_setparam_ioctl(struct drm_device *dev, void *data,
>   int i915_gem_context_reset_stats_ioctl(struct drm_device *dev, void *data,
>   				       struct drm_file *file);
>   
> +struct i915_address_space *
> +i915_gem_vm_lookup(struct drm_i915_file_private *file_priv, u32 id);
> +
>   struct i915_gem_context *
>   i915_gem_context_lookup(struct drm_i915_file_private *file_priv, u32 id);
>