diff options
| author | Jonathan Marek <[email protected]> | 2018-11-14 22:08:04 +0000 |
|---|---|---|
| committer | Rob Clark <[email protected]> | 2018-12-11 18:07:10 +0000 |
| commit | c2052a4e5c99f7edcb0283e6e12b2fb6975b7353 (patch) | |
| tree | 2c1b7d32227e42b3d757d3cce7b6a5af1fbdad4a /drivers/gpu/drm/msm/msm_gem.c | |
| parent | drm/msm: Only add available components (diff) | |
| download | kernel-c2052a4e5c99f7edcb0283e6e12b2fb6975b7353.tar.gz kernel-c2052a4e5c99f7edcb0283e6e12b2fb6975b7353.zip | |
drm/msm: implement a2xx mmu
A2XX has its own very simple MMU.
Added a msm_use_mmu() function because we can't rely on iommu_present to
decide to use MMU or not.
Signed-off-by: Jonathan Marek <[email protected]>
Signed-off-by: Rob Clark <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/msm/msm_gem.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gem.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index 38b7f4e9e7ff..51a95da694d8 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -975,7 +975,7 @@ static struct drm_gem_object *_msm_gem_new(struct drm_device *dev, size = PAGE_ALIGN(size); - if (!iommu_present(&platform_bus_type)) + if (!msm_use_mmu(dev)) use_vram = true; else if ((flags & (MSM_BO_STOLEN | MSM_BO_SCANOUT)) && priv->vram.size) use_vram = true; @@ -1052,7 +1052,7 @@ struct drm_gem_object *msm_gem_import(struct drm_device *dev, int ret, npages; /* if we don't have IOMMU, don't bother pretending we can import: */ - if (!iommu_present(&platform_bus_type)) { + if (!msm_use_mmu(dev)) { DRM_DEV_ERROR(dev->dev, "cannot import without IOMMU\n"); return ERR_PTR(-EINVAL); } |