diff options
| author | Jonathan Marek <jonathan@marek.ca> | 2018-11-14 17:08:04 -0500 |
|---|---|---|
| committer | Rob Clark <robdclark@gmail.com> | 2018-12-11 13:07:10 -0500 |
| commit | c2052a4e5c99f7edcb0283e6e12b2fb6975b7353 (patch) | |
| tree | 2c1b7d32227e42b3d757d3cce7b6a5af1fbdad4a /drivers/gpu/drm/msm/adreno/adreno_gpu.c | |
| parent | d1d9d0e1724d6a7123b4280fdf6630ae70f96c9c (diff) | |
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 <jonathan@marek.ca>
Signed-off-by: Rob Clark <robdclark@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/msm/adreno/adreno_gpu.c')
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/adreno_gpu.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index 9ab67dd1bcd3..2e4372ef17a3 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -769,6 +769,9 @@ int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev, adreno_gpu_config.va_start = SZ_16M; adreno_gpu_config.va_end = 0xffffffff; + /* maximum range of a2xx mmu */ + if (adreno_is_a2xx(adreno_gpu)) + adreno_gpu_config.va_end = SZ_16M + 0xfff * SZ_64K; adreno_gpu_config.nr_rings = nr_rings; |