Making i915 use drm_gem_create_mmap_offset() instead of its custom
implementations for associating GEM object with a fake offset.

Signed-off-by: Dipam Turkar <dipamt1...@gmail.com>
---
 drivers/gpu/drm/i915/gem/i915_gem_mman.c | 21 ---------------------
 drivers/gpu/drm/i915/gem/i915_gem_mman.h |  4 ----
 drivers/gpu/drm/i915/i915_driver.c       |  3 ++-
 3 files changed, 2 insertions(+), 26 deletions(-)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.c 
b/drivers/gpu/drm/i915/gem/i915_gem_mman.c
index aa4d842d4c5a..71d621a1f249 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_mman.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.c
@@ -771,27 +771,6 @@ __assign_mmap_offset_handle(struct drm_file *file,
        return err;
 }
 
-int
-i915_gem_dumb_mmap_offset(struct drm_file *file,
-                         struct drm_device *dev,
-                         u32 handle,
-                         u64 *offset)
-{
-       struct drm_i915_private *i915 = to_i915(dev);
-       enum i915_mmap_type mmap_type;
-
-       if (HAS_LMEM(to_i915(dev)))
-               mmap_type = I915_MMAP_TYPE_FIXED;
-       else if (pat_enabled())
-               mmap_type = I915_MMAP_TYPE_WC;
-       else if (!i915_ggtt_has_aperture(to_gt(i915)->ggtt))
-               return -ENODEV;
-       else
-               mmap_type = I915_MMAP_TYPE_GTT;
-
-       return __assign_mmap_offset_handle(file, handle, mmap_type, offset);
-}
-
 /**
  * i915_gem_mmap_offset_ioctl - prepare an object for GTT mmap'ing
  * @dev: DRM device
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.h 
b/drivers/gpu/drm/i915/gem/i915_gem_mman.h
index 196417fd0f5c..253435795caf 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_mman.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.h
@@ -20,10 +20,6 @@ struct mutex;
 int i915_gem_mmap_gtt_version(void);
 int i915_gem_mmap(struct file *filp, struct vm_area_struct *vma);
 
-int i915_gem_dumb_mmap_offset(struct drm_file *file_priv,
-                             struct drm_device *dev,
-                             u32 handle, u64 *offset);
-
 void __i915_gem_object_release_mmap_gtt(struct drm_i915_gem_object *obj);
 void i915_gem_object_release_mmap_gtt(struct drm_i915_gem_object *obj);
 
diff --git a/drivers/gpu/drm/i915/i915_driver.c 
b/drivers/gpu/drm/i915/i915_driver.c
index d50347e5773a..48d7e53c49d6 100644
--- a/drivers/gpu/drm/i915/i915_driver.c
+++ b/drivers/gpu/drm/i915/i915_driver.c
@@ -42,6 +42,7 @@
 #include <drm/drm_aperture.h>
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_ioctl.h>
+#include <drm/drm_gem.h>
 #include <drm/drm_managed.h>
 #include <drm/drm_probe_helper.h>
 
@@ -1826,7 +1827,7 @@ static const struct drm_driver i915_drm_driver = {
        .gem_prime_import = i915_gem_prime_import,
 
        .dumb_create = i915_gem_dumb_create,
-       .dumb_map_offset = i915_gem_dumb_mmap_offset,
+       .dumb_map_offset = drm_gem_dumb_map_offset,
 
        .ioctls = i915_ioctls,
        .num_ioctls = ARRAY_SIZE(i915_ioctls),
-- 
2.34.1

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