drm/i915: introduce gtt_pte_t
This will make the calculations of size easier to read instead of just
assuming uint32_t everywhere.
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index ed0fe15..d9a40f3 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -28,13 +28,15 @@
#include "i915_trace.h"
#include "intel_drv.h"
+typedef uint32_t gtt_pte_t;
+
/* PPGTT support for Sandybdrige/Gen6 and later */
static void i915_ppgtt_clear_range(struct i915_hw_ppgtt *ppgtt,
unsigned first_entry,
unsigned num_entries)
{
- uint32_t *pt_vaddr;
- uint32_t scratch_pte;
+ gtt_pte_t *pt_vaddr;
+ gtt_pte_t scratch_pte;
unsigned act_pd = first_entry / I915_PPGTT_PT_ENTRIES;
unsigned first_pte = first_entry % I915_PPGTT_PT_ENTRIES;
unsigned last_pte, i;
@@ -119,7 +121,7 @@
i915_ppgtt_clear_range(ppgtt, 0,
ppgtt->num_pd_entries*I915_PPGTT_PT_ENTRIES);
- ppgtt->pd_offset = (first_pd_entry_in_global_pt)*sizeof(uint32_t);
+ ppgtt->pd_offset = (first_pd_entry_in_global_pt)*sizeof(gtt_pte_t);
dev_priv->mm.aliasing_ppgtt = ppgtt;
@@ -169,9 +171,9 @@
static void i915_ppgtt_insert_sg_entries(struct i915_hw_ppgtt *ppgtt,
const struct sg_table *pages,
unsigned first_entry,
- uint32_t pte_flags)
+ gtt_pte_t pte_flags)
{
- uint32_t *pt_vaddr, pte;
+ gtt_pte_t *pt_vaddr, pte;
unsigned act_pd = first_entry / I915_PPGTT_PT_ENTRIES;
unsigned first_pte = first_entry % I915_PPGTT_PT_ENTRIES;
unsigned i, j, m, segment_len;
@@ -214,7 +216,7 @@
struct drm_i915_gem_object *obj,
enum i915_cache_level cache_level)
{
- uint32_t pte_flags = GEN6_PTE_VALID;
+ gtt_pte_t pte_flags = GEN6_PTE_VALID;
switch (cache_level) {
case I915_CACHE_LLC_MLC: