[Intel-gfx] [PATCH 2/2] drm/i915: a couple more uses for i915_gem_object_mark_dirty()

[Chris Wilson]

On Thu, Apr 28, 2016 at 05:26:21PM +0100, Dave Gordon wrote:
> intel_pin_and_map_ringbuffer_obj() should have been setting the dirty
> flag, but wasn't; and the LRC code in intel_lr_context_do_pin() is also
> updated to use the new function.

Technically it doesn't need to. Whilst there is any valid content in the
ringbuffer, it is pinned for use by requests and the hadware. Unlike the
context object whose content does need to persist when inactive.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre