diff options
| author | Wambui Karuga <wambui.karugax@gmail.com> | 2019-10-25 12:49:07 +0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2019-11-04 18:17:36 +0100 |
| commit | b8c8a85995c5c14df8465bf1ab0b92a59641fa7c (patch) | |
| tree | deaa09614582890f97c8ee842c5ff3a9b808974f /drivers/gpu/drm/drm_agpsupport.c | |
| parent | ff1fd2945c1a1274f769495b4ed5e83765683c62 (diff) | |
drm: use DIV_ROUND_UP helper macro for calculations
Replace open coded divisor calculations with the DIV_ROUND_UP kernel
macro for better readability.
Issue found using coccinelle:
@@
expression n,d;
@@
(
- ((n + d - 1) / d)
+ DIV_ROUND_UP(n,d)
|
- ((n + (d - 1)) / d)
+ DIV_ROUND_UP(n,d)
)
Signed-off-by: Wambui Karuga <wambui.karugax@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20191025094907.3582-1-wambui.karugax@gmail.com
Diffstat (limited to 'drivers/gpu/drm/drm_agpsupport.c')
| -rw-r--r-- | drivers/gpu/drm/drm_agpsupport.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_agpsupport.c b/drivers/gpu/drm/drm_agpsupport.c index 6e09f27fd9d6..4c7ad46fdd21 100644 --- a/drivers/gpu/drm/drm_agpsupport.c +++ b/drivers/gpu/drm/drm_agpsupport.c @@ -212,7 +212,7 @@ int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request) if (!entry) return -ENOMEM; - pages = (request->size + PAGE_SIZE - 1) / PAGE_SIZE; + pages = DIV_ROUND_UP(request->size, PAGE_SIZE); type = (u32) request->type; memory = agp_allocate_memory(dev->agp->bridge, pages, type); if (!memory) { @@ -325,7 +325,7 @@ int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request) entry = drm_agp_lookup_entry(dev, request->handle); if (!entry || entry->bound) return -EINVAL; - page = (request->offset + PAGE_SIZE - 1) / PAGE_SIZE; + page = DIV_ROUND_UP(request->offset, PAGE_SIZE); retcode = drm_bind_agp(entry->memory, page); if (retcode) return retcode; |