[PATCH 20/21] drm/i915: enable platform support for 64K pages

Matthew Auld matthew.auld at intel.com
Mon Sep 25 12:16:51 UTC 2017


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

Signed-off-by: Matthew Auld <matthew.auld at intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
Cc: Chris Wilson <chris at chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris at 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 84cdab3c5f09..9da69cb55302 100644
--- a/drivers/gpu/drm/i915/i915_pci.c
+++ b/drivers/gpu/drm/i915/i915_pci.c
@@ -434,7 +434,8 @@ static const struct intel_device_info intel_cherryview_info __initconst = {
 };
 
 #define GEN9_DEFAULT_PAGE_SIZES \
-	.page_sizes = I915_GTT_PAGE_SIZE_4K
+	.page_sizes = 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 1785c63ad797..8a5a42ea1c98 100644
--- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c
+++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
@@ -175,7 +175,8 @@ struct drm_i915_private *mock_gem_device(void)
 	mkwrite_device_info(i915)->gen = -1;
 
 	mkwrite_device_info(i915)->page_sizes =
-		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);
-- 
2.13.5



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