freedreno: Assert we aren't writing to 0x0

Signed-off-by: Rob Clark <robdclark@chromium.org> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/31534>
2024-10-04 09:15:53 -07:00
parent fd8eabdd4b
commit e32237739f
1 changed files with 1 additions and 0 deletions
--- a/src/freedreno/common/freedreno_pm4.h
+++ b/src/freedreno/common/freedreno_pm4.h
@@ -58,6 +58,7 @@ static inline uint32_t
 pm4_pkt4_hdr(uint16_t regindx, uint16_t cnt)
 {
   assert(cnt < 0x7f);
+   assert(regindx);
   return CP_TYPE4_PKT | cnt | (pm4_odd_parity_bit(cnt) << 7) |
         ((regindx & 0x3ffff) << 8) |
         ((pm4_odd_parity_bit(regindx) << 27));