[PATCH 20/22] drm/i915: enable platform support for 64K pages

Matthew Auld
2017-08-15T18:17:10Z

For gen9+ enable platform level support for 64K pages. Also enable for
mock testing.

Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
---
drivers/gpu/drm/i915/i915_pci.c | 3 ++-
drivers/gpu/drm/i915/selftests/mock_gem_device.c | 3 ++-
2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
index b07fabf1cd4f..c453ef752ee9 100644
--- a/drivers/gpu/drm/i915/i915_pci.c
+++ b/drivers/gpu/drm/i915/i915_pci.c
@@ -364,7 +364,8 @@ static const struct intel_device_info intel_cherryview_info = {
};

#define GEN9_DEFAULT_PAGE_SIZES \
- .page_size_mask = I915_GTT_PAGE_SIZE_4K
+ .page_size_mask = I915_GTT_PAGE_SIZE_4K | \
+ I915_GTT_PAGE_SIZE_64K

#define SKL_PLATFORM \
BDW_FEATURES, \
diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
index 39acab2396b2..ffc4548c47ee 100644
--- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c
+++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
@@ -170,7 +170,8 @@ struct drm_i915_private *mock_gem_device(void)
mkwrite_device_info(i915)->gen = -1;

mkwrite_device_info(i915)->page_size_mask =
- I915_GTT_PAGE_SIZE_4K;
+ I915_GTT_PAGE_SIZE_4K |
+ I915_GTT_PAGE_SIZE_64K;

spin_lock_init(&i915->mm.object_stat_lock);
mock_uncore_init(i915);