drm/vmwgfx: Fix order of operation
authorSinclair Yeh <syeh@vmware.com>
Thu, 21 Apr 2016 18:29:31 +0000 (11:29 -0700)
committerSinclair Yeh <syeh@vmware.com>
Thu, 28 Apr 2016 18:07:30 +0000 (11:07 -0700)
commit7851496a32319237456919575e5f4ba62f74cc7d
tree3115350947df1fcf593116917c7d9c4bbb0f8aa1
parente02e58843153ce80a9fe7588def89b2638d40e64
drm/vmwgfx: Fix order of operation

mode->hdisplay * (var->bits_per_pixel + 7) gets evaluated before
the division, potentially making the pitch larger than it should
be.

Since the original intention is to do a div-round-up, just use
the macro instead.

Signed-off-by: Sinclair Yeh <syeh@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
drivers/gpu/drm/vmwgfx/vmwgfx_fb.c