diff options
Diffstat (limited to 'drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c')
| -rw-r--r-- | drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c index 63a1206492d2..75afce42921b 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c @@ -72,6 +72,14 @@ static int submit_lookup_objects(struct etnaviv_gem_submit *submit, } submit->bos[i].flags = bo->flags; + if (submit->flags & ETNA_SUBMIT_SOFTPIN) { + if (bo->presumed < ETNAVIV_SOFTPIN_START_ADDRESS) { + DRM_ERROR("invalid softpin address\n"); + ret = -EINVAL; + goto out_unlock; + } + submit->bos[i].va = bo->presumed; + } /* normally use drm_gem_object_lookup(), but for bulk lookup * all under single table_lock just hit object_idr directly: @@ -224,11 +232,17 @@ static int submit_pin_objects(struct etnaviv_gem_submit *submit) struct etnaviv_vram_mapping *mapping; mapping = etnaviv_gem_mapping_get(&etnaviv_obj->base, - submit->mmu_context); + submit->mmu_context, + submit->bos[i].va); if (IS_ERR(mapping)) { ret = PTR_ERR(mapping); break; } + + if ((submit->flags & ETNA_SUBMIT_SOFTPIN) && + submit->bos[i].va != mapping->iova) + return -EINVAL; + atomic_inc(&etnaviv_obj->gpu_active); submit->bos[i].flags |= BO_PINNED; @@ -261,6 +275,10 @@ static int submit_reloc(struct etnaviv_gem_submit *submit, void *stream, u32 *ptr = stream; int ret; + /* Submits using softpin don't blend with relocs */ + if ((submit->flags & ETNA_SUBMIT_SOFTPIN) && nr_relocs != 0) + return -EINVAL; + for (i = 0; i < nr_relocs; i++) { const struct drm_etnaviv_gem_submit_reloc *r = relocs + i; struct etnaviv_gem_submit_bo *bo; @@ -445,6 +463,12 @@ int etnaviv_ioctl_gem_submit(struct drm_device *dev, void *data, return -EINVAL; } + if ((args->flags & ETNA_SUBMIT_SOFTPIN) && + priv->mmu_global->version != ETNAVIV_IOMMU_V2) { + DRM_ERROR("softpin requested on incompatible MMU\n"); + return -EINVAL; + } + /* * Copy the command submission and bo array to kernel space in * one go, and do this outside of any locks. |