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| 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/mdp/mdp5/mdp5_cfg.c | |
| parent | 394da4b8f37e6ceceed68821957de5fc9e22b69b (diff) | |
| download | blackbird-obmc-linux-667ce33e57d0de4074a8fb62d24daeefd03f6333.tar.gz blackbird-obmc-linux-667ce33e57d0de4074a8fb62d24daeefd03f6333.zip | |
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/mdp/mdp5/mdp5_cfg.c')
| -rw-r--r-- | drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.c index 8b4e3004f451..618b2ffed9b4 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.c @@ -550,6 +550,10 @@ static struct mdp5_cfg_platform *mdp5_get_config(struct platform_device *dev) static struct mdp5_cfg_platform config = {}; config.iommu = iommu_domain_alloc(&platform_bus_type); + if (config.iommu) { + config.iommu->geometry.aperture_start = 0x1000; + config.iommu->geometry.aperture_end = 0xffffffff; + } return &config; } |
