diff options
| author | Rob Clark <robdclark@gmail.com> | 2016-09-28 19:58:32 -0400 |
|---|---|---|
| committer | Rob Clark <robdclark@gmail.com> | 2016-11-27 11:23:09 -0500 |
| commit | 667ce33e57d0de4074a8fb62d24daeefd03f6333 (patch) | |
| tree | 414dba9fe67904d17057eedfa8a44d651dd67a31 /drivers/gpu/drm/msm/msm_drv.c | |
| parent | 394da4b8f37e6ceceed68821957de5fc9e22b69b (diff) | |
| download | linux-667ce33e57d0de4074a8fb62d24daeefd03f6333.tar.gz linux-667ce33e57d0de4074a8fb62d24daeefd03f6333.tar.xz | |
drm/msm: support multiple address spaces
We can have various combinations of 64b and 32b address space, ie. 64b
CPU but 32b display and gpu, or 64b CPU and GPU but 32b display. So
best to decouple the device iova's from mmap offset.
Signed-off-by: Rob Clark <robdclark@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/msm/msm_drv.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_drv.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index 8d21fb27a401..c740eaf9272b 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -48,15 +48,16 @@ static const struct drm_mode_config_funcs mode_config_funcs = { .atomic_commit = msm_atomic_commit, }; -int msm_register_mmu(struct drm_device *dev, struct msm_mmu *mmu) +int msm_register_address_space(struct drm_device *dev, + struct msm_gem_address_space *aspace) { struct msm_drm_private *priv = dev->dev_private; - int idx = priv->num_mmus++; + int idx = priv->num_aspaces++; - if (WARN_ON(idx >= ARRAY_SIZE(priv->mmus))) + if (WARN_ON(idx >= ARRAY_SIZE(priv->aspace))) return -EINVAL; - priv->mmus[idx] = mmu; + priv->aspace[idx] = aspace; return idx; } |