drm/i915/gem: Support discontiguous lmem object maps
authorChris Wilson <chris@chris-wilson.co.uk>
Thu, 2 Jan 2020 20:42:15 +0000 (20:42 +0000)
committerChris Wilson <chris@chris-wilson.co.uk>
Fri, 3 Jan 2020 11:26:01 +0000 (11:26 +0000)
commit6056e50033d9f840bc1e35cac794b13144710a25
tree0317da85ff43ee4a400fbe1bbb9f0e12b18779b1
parent1d0e2c9359fec6212af8c5fb29d5d56269f96968
drm/i915/gem: Support discontiguous lmem object maps

Create a vmap for discontinguous lmem objects to support
i915_gem_object_pin_map().

v2: Offset io address by region.start for fake-lmem

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200102204215.1519103-1-chris@chris-wilson.co.uk
drivers/gpu/drm/i915/gem/i915_gem_lmem.c
drivers/gpu/drm/i915/gem/i915_gem_lmem.h
drivers/gpu/drm/i915/gem/i915_gem_pages.c
drivers/gpu/drm/i915/gem/selftests/huge_pages.c
drivers/gpu/drm/i915/selftests/intel_memory_region.c