Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> writes:
> Restore the DRI2/DRI3 uABI backchannel that was removed by ab016914984e
> ("drm/i915: disable set/get_tiling ioctl on gen12+") before the ABI
> change was agreed upon.
>
> Fixes: ab016914984e ("drm/i915: disable set/get_tiling ioctl on gen12+")
> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
Thanks. This makes things easier for userspace until the
modifiers-based alternative to this is in better shape.
Reviewed-by: Francisco Jerez <currojerez@xxxxxxxxxx>
> ---
> drivers/gpu/drm/i915/gem/i915_gem_tiling.c | 7 -------
> 1 file changed, 7 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/gem/i915_gem_tiling.c b/drivers/gpu/drm/i915/gem/i915_gem_tiling.c
> index 1fa592d82af5..39f3bd5defd6 100644
> --- a/drivers/gpu/drm/i915/gem/i915_gem_tiling.c
> +++ b/drivers/gpu/drm/i915/gem/i915_gem_tiling.c
> @@ -317,14 +317,10 @@ int
> i915_gem_set_tiling_ioctl(struct drm_device *dev, void *data,
> struct drm_file *file)
> {
> - struct drm_i915_private *dev_priv = to_i915(dev);
> struct drm_i915_gem_set_tiling *args = data;
> struct drm_i915_gem_object *obj;
> int err;
>
> - if (!dev_priv->ggtt.num_fences)
> - return -EOPNOTSUPP;
> -
> obj = i915_gem_object_lookup(file, args->handle);
> if (!obj)
> return -ENOENT;
> @@ -405,9 +401,6 @@ i915_gem_get_tiling_ioctl(struct drm_device *dev, void *data,
> struct drm_i915_gem_object *obj;
> int err = -ENOENT;
>
> - if (!dev_priv->ggtt.num_fences)
> - return -EOPNOTSUPP;
> -
> rcu_read_lock();
> obj = i915_gem_object_lookup_rcu(file, args->handle);
> if (obj) {
> --
> 2.24.0
>
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