The RESTART opcode terminates the gather and restarts the CDMA fetching from a specified word << 2 relative to the CDMA start address. That shouldn't be allowed to be done by userspace.
Signed-off-by: Dmitry Osipenko digetx@gmail.com Reviewed-by: Erik Faye-Lund kusmabite@gmail.com Reviewed-by: Mikko Perttunen mperttunen@nvidia.com --- drivers/gpu/host1x/job.c | 1 - 1 file changed, 1 deletion(-)
diff --git a/drivers/gpu/host1x/job.c b/drivers/gpu/host1x/job.c index 7825643da324..3680b4b7dce9 100644 --- a/drivers/gpu/host1x/job.c +++ b/drivers/gpu/host1x/job.c @@ -515,7 +515,6 @@ static int validate(struct host1x_firewall *fw, struct host1x_job_gather *g) goto out; break; case 4: - case 5: case 14: break; default: