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 <[email protected]>
Reviewed-by: Erik Faye-Lund <[email protected]>
Reviewed-by: Mikko Perttunen <[email protected]>
---
 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 a911de6386b4..54230ec4f81e 100644
--- a/drivers/gpu/host1x/job.c
+++ b/drivers/gpu/host1x/job.c
@@ -495,7 +495,6 @@ static int validate(struct host1x_firewall *fw, struct 
host1x_job_gather *g)
                                goto out;
                        break;
                case 4:
-               case 5:
                case 14:
                        break;
                default:
-- 
2.13.0

_______________________________________________
dri-devel mailing list
[email protected]
https://lists.freedesktop.org/mailman/listinfo/dri-devel

Reply via email to