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path: root/drivers/gpu/drm/i915/gem/i915_gem_mman.c
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Diffstat (limited to 'drivers/gpu/drm/i915/gem/i915_gem_mman.c')
-rw-r--r--drivers/gpu/drm/i915/gem/i915_gem_mman.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/i915_gem_mman.c
index 21274aa9bddd..4542135b20d5 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_mman.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.c
@@ -1,12 +1,10 @@
+// SPDX-License-Identifier: MIT
/*
- * SPDX-License-Identifier: MIT
- *
* Copyright © 2014-2016 Intel Corporation
*/
#include <linux/anon_inodes.h>
#include <linux/mman.h>
-#include <linux/pfn_t.h>
#include <linux/sizes.h>
#include <drm/drm_cache.h>
@@ -18,12 +16,13 @@
#include "i915_gem_evict.h"
#include "i915_gem_gtt.h"
#include "i915_gem_ioctls.h"
-#include "i915_gem_object.h"
#include "i915_gem_mman.h"
+#include "i915_gem_object.h"
+#include "i915_gem_ttm.h"
+#include "i915_jiffies.h"
#include "i915_mm.h"
#include "i915_trace.h"
#include "i915_user_extensions.h"
-#include "i915_gem_ttm.h"
#include "i915_vma.h"
static inline bool
@@ -164,6 +163,9 @@ static unsigned int tile_row_pages(const struct drm_i915_gem_object *obj)
* 4 - Support multiple fault handlers per object depending on object's
* backing storage (a.k.a. MMAP_OFFSET).
*
+ * 5 - Support multiple partial mmaps(mmap part of BO + unmap a offset, multiple
+ * times with different size and offset).
+ *
* Restrictions:
*
* * snoopable objects cannot be accessed via the GTT. It can cause machine
@@ -191,7 +193,7 @@ static unsigned int tile_row_pages(const struct drm_i915_gem_object *obj)
*/
int i915_gem_mmap_gtt_version(void)
{
- return 4;
+ return 5;
}
static inline struct i915_gtt_view