Changes for introducing the quick test on the device memory range and also a test of detailed validation for each addr of the range with read and write. Detailed testing is optionally enabled with a modparam i915.memtest=1 And third patch fixes the driver accessible stolen memory. v2: Adding a wrapper for the memtest [Chris] v3: Handling a bisecting issue. Chris Wilson (3): drm/i915: Exclude reserved stolen from driver use drm/i915: Sanitycheck device iomem on probe drm/i915: Test all device memory on probing drivers/gpu/drm/i915/gem/i915_gem_stolen.c | 3 + drivers/gpu/drm/i915/i915_params.c | 3 + drivers/gpu/drm/i915/i915_params.h | 1 + drivers/gpu/drm/i915/intel_memory_region.c | 128 +++++++++++++++++++++ 4 files changed, 135 insertions(+) -- 2.20.1