diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gem/i915_gem_mman.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_mman.c | 9 |
1 files changed, 5 insertions, 4 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..75f5b0e871ef 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> @@ -164,6 +162,9 @@ 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 +192,7 @@ 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 |