[igt-dev] [PATCH i-g-t v3 4/4] lib/ioctl_wrapper: Use __gem_mmap within __gem_mmap__cpu/wc

[Lukasz Kalamarz]

This patch remove duplicated code from __gem_mmap__cpu/wc functions
and instead use call to __gem_mmap function, which is doing exactly
the same work.

Signed-off-by: Lukasz Kalamarz <lukasz.kalamarz at intel.com>
Cc: Michal Winiarski <michal.winiarski at intel.com>
Cc: Katarzyna Dec <katarzyna.dec at intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>
Cc: Chris Wilson <chris at chris-wilson.co.uk>
---
 lib/ioctl_wrappers.c | 34 ++--------------------------------
 1 file changed, 2 insertions(+), 32 deletions(-)

diff --git a/lib/ioctl_wrappers.c b/lib/ioctl_wrappers.c
index e9225da0..19e59794 100644
--- a/lib/ioctl_wrappers.c
+++ b/lib/ioctl_wrappers.c
@@ -789,25 +789,7 @@ static void
  */
 void *__gem_mmap__wc(int fd, uint32_t handle, uint64_t offset, uint64_t size, unsigned prot)
 {
-	struct drm_i915_gem_mmap arg;
-
-	if (!gem_mmap__has_wc(fd)) {
-		errno = ENOSYS;
-		return NULL;
-	}
-
-	memset(&arg, 0, sizeof(arg));
-	arg.handle = handle;
-	arg.offset = offset;
-	arg.size = size;
-	arg.flags = I915_MMAP_WC;
-	if (igt_ioctl(fd, DRM_IOCTL_I915_GEM_MMAP, &arg))
-		return NULL;
-
-	VG(VALGRIND_MAKE_MEM_DEFINED(from_user_pointer(arg.addr_ptr), arg.size));
-
-	errno = 0;
-	return from_user_pointer(arg.addr_ptr);
+	return __gem_mmap(fd, handle, offset, size, prot, I915_MMAP_WC);
 }
 
 /**
@@ -844,19 +826,7 @@ void *gem_mmap__wc(int fd, uint32_t handle, uint64_t offset, uint64_t size, unsi
  */
 void *__gem_mmap__cpu(int fd, uint32_t handle, uint64_t offset, uint64_t size, unsigned prot)
 {
-	struct drm_i915_gem_mmap mmap_arg;
-
-	memset(&mmap_arg, 0, sizeof(mmap_arg));
-	mmap_arg.handle = handle;
-	mmap_arg.offset = offset;
-	mmap_arg.size = size;
-	if (igt_ioctl(fd, DRM_IOCTL_I915_GEM_MMAP, &mmap_arg))
-		return NULL;
-
-	VG(VALGRIND_MAKE_MEM_DEFINED(from_user_pointer(mmap_arg.addr_ptr), mmap_arg.size));
-
-	errno = 0;
-	return from_user_pointer(mmap_arg.addr_ptr);
+	return __gem_mmap(fd, handle, offset, size, prot, 0);
 }
 
 /**
-- 
2.17.2