[Intel-gfx] [PATCH v2 3/5] drm/i915: Introduce DRM_I915_GEM_MMAP_OFFSET

[Chris Wilson]

Quoting Abdiel Janulgue (2019-10-07 10:19:18)
> +static int gem_mmap_offset(struct drm_device *dev, void *data,
> +                          struct drm_file *file)
> +{
> +       struct drm_i915_gem_mmap_offset *args = data;
> +       enum i915_mmap_type type;
> +
> +       if ((args->flags & (I915_MMAP_OFFSET_WC | I915_MMAP_OFFSET_WB)) &&

_WB??? What's the default behaviour for every phys page in the system?
-Chris