[PATCH v4 10/17] drm/vram: switch vram helper to drm_gem_object_funcs->mmap codepath

[Gerd Hoffmann <kraxel@redhat.com>]

... using the new drm_gem_ttm_mmap() helper function.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 include/drm/drm_vram_mm_helper.h      |  9 +--------
 drivers/gpu/drm/drm_gem_vram_helper.c |  4 +++-
 drivers/gpu/drm/drm_vram_mm_helper.c  | 27 ---------------------------
 3 files changed, 4 insertions(+), 36 deletions(-)

diff --git a/include/drm/drm_vram_mm_helper.h b/include/drm/drm_vram_mm_helper.h
index 2aacfb1ccfae..ff328bdaa638 100644
--- a/include/drm/drm_vram_mm_helper.h
+++ b/include/drm/drm_vram_mm_helper.h
@@ -77,13 +77,6 @@ struct drm_vram_mm *drm_vram_helper_alloc_mm(
 	const struct drm_vram_mm_funcs *funcs);
 void drm_vram_helper_release_mm(struct drm_device *dev);
 
-/*
- * Helpers for &struct file_operations
- */
-
-int drm_vram_mm_file_operations_mmap(
-	struct file *filp, struct vm_area_struct *vma);
-
 /**
  * define DRM_VRAM_MM_FILE_OPERATIONS - default callback functions for \
 	&struct file_operations
@@ -97,7 +90,7 @@ int drm_vram_mm_file_operations_mmap(
 	.poll		= drm_poll, \
 	.unlocked_ioctl = drm_ioctl, \
 	.compat_ioctl	= drm_compat_ioctl, \
-	.mmap		= drm_vram_mm_file_operations_mmap, \
+	.mmap		= drm_gem_mmap, \
 	.open		= drm_open, \
 	.release	= drm_release \
 
diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c
index b78865055990..ed1625f6a296 100644
--- a/drivers/gpu/drm/drm_gem_vram_helper.c
+++ b/drivers/gpu/drm/drm_gem_vram_helper.c
@@ -1,5 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+#include <drm/drm_gem_ttm_helper.h>
 #include <drm/drm_gem_vram_helper.h>
 #include <drm/drm_device.h>
 #include <drm/drm_mode.h>
@@ -585,5 +586,6 @@ static const struct drm_gem_object_funcs drm_gem_vram_object_funcs = {
 	.pin	= drm_gem_vram_object_pin,
 	.unpin	= drm_gem_vram_object_unpin,
 	.vmap	= drm_gem_vram_object_vmap,
-	.vunmap	= drm_gem_vram_object_vunmap
+	.vunmap	= drm_gem_vram_object_vunmap,
+	.mmap   = drm_gem_ttm_mmap,
 };
diff --git a/drivers/gpu/drm/drm_vram_mm_helper.c b/drivers/gpu/drm/drm_vram_mm_helper.c
index a693f9ce356c..8f6e26b3da69 100644
--- a/drivers/gpu/drm/drm_vram_mm_helper.c
+++ b/drivers/gpu/drm/drm_vram_mm_helper.c
@@ -268,30 +268,3 @@ void drm_vram_helper_release_mm(struct drm_device *dev)
 	dev->vram_mm = NULL;
 }
 EXPORT_SYMBOL(drm_vram_helper_release_mm);
-
-/*
- * Helpers for &struct file_operations
- */
-
-/**
- * drm_vram_mm_file_operations_mmap() - \
-	Implements &struct file_operations.mmap()
- * @filp:	the mapping's file structure
- * @vma:	the mapping's memory area
- *
- * Returns:
- * 0 on success, or
- * a negative error code otherwise.
- */
-int drm_vram_mm_file_operations_mmap(
-	struct file *filp, struct vm_area_struct *vma)
-{
-	struct drm_file *file_priv = filp->private_data;
-	struct drm_device *dev = file_priv->minor->dev;
-
-	if (WARN_ONCE(!dev->vram_mm, "VRAM MM not initialized"))
-		return -EINVAL;
-
-	return drm_vram_mm_mmap(filp, vma, dev->vram_mm);
-}
-EXPORT_SYMBOL(drm_vram_mm_file_operations_mmap);
-- 
2.18.1