diff options
| author | Rob Clark <robdclark@chromium.org> | 2025-06-29 13:12:59 -0700 |
|---|---|---|
| committer | Rob Clark <robin.clark@oss.qualcomm.com> | 2025-07-04 17:48:35 -0700 |
| commit | 62a28e272b87aee1b225942cf80505da1e220def (patch) | |
| tree | 60065cfb9c03fce87095cc48a35d6d89667b1093 | |
| parent | 37889600f58ea554943d48a86e30f635005f6712 (diff) | |
drm/msm: Split out helper to get iommu prot flags
We'll re-use this in the vm_bind path.
Signed-off-by: Rob Clark <robdclark@chromium.org>
Signed-off-by: Rob Clark <robin.clark@oss.qualcomm.com>
Tested-by: Antonino Maniscalco <antomani103@gmail.com>
Reviewed-by: Antonino Maniscalco <antomani103@gmail.com>
Patchwork: https://patchwork.freedesktop.org/patch/661484/
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gem.c | 12 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gem.h | 1 |
2 files changed, 11 insertions, 2 deletions
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index 763bafcff4cc..20d5e4b4d057 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -462,10 +462,9 @@ static struct drm_gpuva *get_vma_locked(struct drm_gem_object *obj, return vma; } -int msm_gem_pin_vma_locked(struct drm_gem_object *obj, struct drm_gpuva *vma) +int msm_gem_prot(struct drm_gem_object *obj) { struct msm_gem_object *msm_obj = to_msm_bo(obj); - struct page **pages; int prot = IOMMU_READ; if (!(msm_obj->flags & MSM_BO_GPU_READONLY)) @@ -477,6 +476,15 @@ int msm_gem_pin_vma_locked(struct drm_gem_object *obj, struct drm_gpuva *vma) if (msm_obj->flags & MSM_BO_CACHED_COHERENT) prot |= IOMMU_CACHE; + return prot; +} + +int msm_gem_pin_vma_locked(struct drm_gem_object *obj, struct drm_gpuva *vma) +{ + struct msm_gem_object *msm_obj = to_msm_bo(obj); + struct page **pages; + int prot = msm_gem_prot(obj); + msm_gem_assert_locked(obj); pages = msm_gem_get_pages_locked(obj, MSM_MADV_WILLNEED); diff --git a/drivers/gpu/drm/msm/msm_gem.h b/drivers/gpu/drm/msm/msm_gem.h index 892e4132fa72..a18872ab1393 100644 --- a/drivers/gpu/drm/msm/msm_gem.h +++ b/drivers/gpu/drm/msm/msm_gem.h @@ -158,6 +158,7 @@ struct msm_gem_object { #define to_msm_bo(x) container_of(x, struct msm_gem_object, base) uint64_t msm_gem_mmap_offset(struct drm_gem_object *obj); +int msm_gem_prot(struct drm_gem_object *obj); int msm_gem_pin_vma_locked(struct drm_gem_object *obj, struct drm_gpuva *vma); void msm_gem_unpin_locked(struct drm_gem_object *obj); void msm_gem_unpin_active(struct drm_gem_object *obj); |