[PATCH 19/62] drm/i915/bdw: Create gen8_gtt_pte_t

Ben Widawsky
2013-11-03T04:08:12Z

With gen6 PTE type in place, pave the way for the new gen8 type.

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
---
drivers/gpu/drm/i915/i915_gem_gtt.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index c6d38d0..8bf2184 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -30,6 +30,7 @@

#define GEN6_PPGTT_PD_ENTRIES 512
#define I915_PPGTT_PT_ENTRIES (PAGE_SIZE / sizeof(gen6_gtt_pte_t))
+typedef uint64_t gen8_gtt_pte_t;

/* PPGTT stuff */
#define GEN6_GTT_ADDR_ENCODE(addr) ((addr) | (((addr) >> 28) & 0xff0))
@@ -942,7 +943,7 @@ static int gen8_gmch_probe(struct drm_device *dev,
*stolen = gen8_get_stolen_size(snb_gmch_ctl);

gtt_size = gen8_get_total_gtt_size(snb_gmch_ctl);
- *gtt_total = (gtt_size / 8) << PAGE_SHIFT;
+ *gtt_total = (gtt_size / sizeof(gen8_gtt_pte_t)) << PAGE_SHIFT;

ret = ggtt_probe_common(dev, gtt_size);

--
1.8.4.2