With per-process address spaces in place, a rogue process submitting
bogus command streams can only hurt itself. There is no need to
validate the command stream before execution anymore.

Signed-off-by: Lucas Stach <l.st...@pengutronix.de>
---
 drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c 
b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
index 27a14a270a55..627c80ed63d8 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
@@ -517,7 +517,8 @@ int etnaviv_ioctl_gem_submit(struct drm_device *dev, void 
*data,
        if (ret)
                goto err_submit_objects;
 
-       if (!etnaviv_cmd_validate_one(gpu, stream, args->stream_size / 4,
+       if ((priv->mmu_global->version != ETNAVIV_IOMMU_V2) &&
+           !etnaviv_cmd_validate_one(gpu, stream, args->stream_size / 4,
                                      relocs, args->nr_relocs)) {
                ret = -EINVAL;
                goto err_submit_objects;
-- 
2.20.1

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

Reply via email to