[PATCH 15/22] gpu: host1x: Forbid RESTART opcode in the firewall

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 --- 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 1a1568e64ba8..cf335c5979e2 100644 --- a/drivers/gpu/host1x/job.c +++ b/drivers/gpu/host1x/job.c @@ -497,7 +497,6 @@ static int validate(struct host1x_firewall *fw, struct host1x_job_gather *g) goto out; break; case 4: - case 5: case 14: break; default: