[PATCH v3 8/9] drm/i915: use hw_pte_t for PTE range callbacks

[Muhammad Usama Anjum <usama.anjum@arm.com>]

apply_to_page_range() now passes PTE table storage to its callback as
hw_pte_t *. Update the i915 remap and selftest callbacks to match the new
type.

Continue to use ptep_get() for software PTE values and set_pte_at() for
updates.
The type remains an alias of pte_t on x86 until that architecture opts in.

Signed-off-by: Muhammad Usama Anjum <usama.anjum@arm.com>
---
Changes since v1:
- Use software PTE value terminology.

Changes since RFC v1:
- Clarify the effect on architectures that have not opted in.
---
 drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c | 4 ++--
 drivers/gpu/drm/i915/i915_mm.c                     | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
index d01acfb7d93d0..056faf4a3618b 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
@@ -1690,7 +1690,7 @@ static int igt_mmap_gpu(void *arg)
 	return 0;
 }
 
-static int check_present_pte(pte_t *pte, unsigned long addr, void *data)
+static int check_present_pte(hw_pte_t *pte, unsigned long addr, void *data)
 {
 	pte_t ptent = ptep_get(pte);
 
@@ -1703,7 +1703,7 @@ static int check_present_pte(pte_t *pte, unsigned long addr, void *data)
 	return 0;
 }
 
-static int check_absent_pte(pte_t *pte, unsigned long addr, void *data)
+static int check_absent_pte(hw_pte_t *pte, unsigned long addr, void *data)
 {
 	pte_t ptent = ptep_get(pte);
 
diff --git a/drivers/gpu/drm/i915/i915_mm.c b/drivers/gpu/drm/i915/i915_mm.c
index fd89e7c7d8d6f..aab88e8edf946 100644
--- a/drivers/gpu/drm/i915/i915_mm.c
+++ b/drivers/gpu/drm/i915/i915_mm.c
@@ -48,7 +48,7 @@ static inline unsigned long sgt_pfn(const struct remap_pfn *r)
 		return r->sgt.pfn + (r->sgt.curr >> PAGE_SHIFT);
 }
 
-static int remap_sg(pte_t *pte, unsigned long addr, void *data)
+static int remap_sg(hw_pte_t *pte, unsigned long addr, void *data)
 {
 	struct remap_pfn *r = data;
 
@@ -70,7 +70,7 @@ static int remap_sg(pte_t *pte, unsigned long addr, void *data)
 #define EXPECTED_FLAGS (VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP)
 
 #if IS_ENABLED(CONFIG_X86)
-static int remap_pfn(pte_t *pte, unsigned long addr, void *data)
+static int remap_pfn(hw_pte_t *pte, unsigned long addr, void *data)
 {
 	struct remap_pfn *r = data;
 

-- 
2.47.3