[Intel-gfx] [PATCH 20/21] drm/i915: enable platform support for 2M pages

For gen8+ platforms which support the 48b PPGTT, enable platform level support for 2M pages. Also enable for mock testing. Signed-off-by: Matthew Auld Cc: Joonas Lahtinen Cc: Chris Wilson --- drivers/gpu/drm/i915/i915_pci.c | 6 -- drivers/gpu/drm/i915/selftests/mock_gem_d

[Intel-gfx] [PATCH 20/21] drm/i915: enable platform support for 2M pages

For gen8+ platforms which support the 48b PPGTT, enable platform level support for 2M pages. Also enable for mock testing. Signed-off-by: Matthew Auld Cc: Joonas Lahtinen Cc: Chris Wilson --- drivers/gpu/drm/i915/i915_pci.c | 6 -- drivers/gpu/drm/i915/selftests/mock_gem_d