[Intel-gfx] [PATCH 20/21] drm/i915: enable platform support for 2M pages
Matthew Auld
matthew.auld at intel.com
Tue Jul 25 19:21:32 UTC 2017
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 <matthew.auld at intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
Cc: Chris Wilson <chris at chris-wilson.co.uk>
---
drivers/gpu/drm/i915/i915_pci.c | 6 ++++--
drivers/gpu/drm/i915/selftests/mock_gem_device.c | 3 ++-
2 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
index c453ef752ee9..0b1699c574a5 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, \
@@ -365,7 +366,8 @@ 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
#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 edafc6ad0aac..8235bfa09de0 100644
--- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c
+++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
@@ -171,7 +171,8 @@ 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);
--
2.13.3
More information about the Intel-gfx
mailing list