Re: [PATCH v3 30/37] drm/i915: Introduce DRM_I915_GEM_MMAP_OFFSET

2019-08-10 Thread Chris Wilson
Quoting Matthew Auld (2019-08-09 23:26:36) > From: Abdiel Janulgue > > Add a new CPU mmap implementation that allows multiple fault handlers > that depends on the object's backing pages. > > Note that we multiplex mmap_gtt and mmap_offset through the same ioctl, > and use the zero extending

[PATCH v3 30/37] drm/i915: Introduce DRM_I915_GEM_MMAP_OFFSET

2019-08-09 Thread Matthew Auld
From: Abdiel Janulgue Add a new CPU mmap implementation that allows multiple fault handlers that depends on the object's backing pages. Note that we multiplex mmap_gtt and mmap_offset through the same ioctl, and use the zero extending behaviour of drm to differentiate between them, when we