[PATCH 12/15] drm/i915: enable platform support for 2M pages

Matthew Auld matthew.auld at intel.com
Tue May 30 16:28:44 UTC 2017


For gen8+ enable platform level support for 2M 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>
---
 drivers/gpu/drm/i915/i915_pci.c                  | 9 ++++++---
 drivers/gpu/drm/i915/selftests/mock_gem_device.c | 3 ++-
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
index 0a6940c3841d..452f061fd7b3 100644
--- a/drivers/gpu/drm/i915/i915_pci.c
+++ b/drivers/gpu/drm/i915/i915_pci.c
@@ -319,7 +319,8 @@ static const struct intel_device_info intel_haswell_info = {
 #define BDW_FEATURES \
 	HSW_FEATURES, \
 	BDW_COLORS, \
-	GEN_DEFAULT_PAGE_SIZES, \
+	.page_size_mask = I915_GTT_PAGE_SIZE_4K | \
+			  I915_GTT_PAGE_SIZE_2M, \
 	.has_logical_ring_contexts = 1, \
 	.has_full_48bit_ppgtt = 1, \
 	.has_64bit_reloc = 1
@@ -355,7 +356,8 @@ static const struct intel_device_info intel_cherryview_info = {
 	.has_full_ppgtt = 1,
 	.display_mmio_offset = VLV_DISPLAY_BASE,
 	.page_size_mask = I915_GTT_PAGE_SIZE_4K |
-			  I915_GTT_PAGE_SIZE_64K,
+			  I915_GTT_PAGE_SIZE_64K |
+			  I915_GTT_PAGE_SIZE_2M,
 	GEN_CHV_PIPEOFFSETS,
 	CURSOR_OFFSETS,
 	CHV_COLORS,
@@ -363,7 +365,8 @@ static const struct intel_device_info intel_cherryview_info = {
 
 #define GEN9_DEFAULT_PAGE_SIZES \
 	.page_size_mask = I915_GTT_PAGE_SIZE_4K | \
-			  I915_GTT_PAGE_SIZE_64K
+			  I915_GTT_PAGE_SIZE_64K | \
+			  I915_GTT_PAGE_SIZE_2M
 
 static const struct intel_device_info intel_skylake_info = {
 	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 04f9908be322..ae8656baf22a 100644
--- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c
+++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
@@ -149,7 +149,8 @@ struct drm_i915_private *mock_gem_device(void)
 
 	mkwrite_device_info(i915)->page_size_mask =
 		I915_GTT_PAGE_SIZE_4K |
-		I915_GTT_PAGE_SIZE_64K;
+		I915_GTT_PAGE_SIZE_64K |
+		I915_GTT_PAGE_SIZE_2M;
 
 	spin_lock_init(&i915->mm.object_stat_lock);
 	mock_uncore_init(i915);
-- 
2.9.4



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