freedreno/decode: expose lookback as a cli option

It is sometimes necessary to exetend the lookback in order to catch
`CP_INDIRECT_BUFFER` packets.

Expose it as a command line option to facilitate that.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35752>
This commit is contained in:
Antonino Maniscalco 2025-06-25 20:25:22 +02:00 committed by Marge Bot
parent eaad90c262
commit 32a6b7ae09

View file

@ -30,6 +30,7 @@ struct rnn *rnn_pipe;
static uint64_t fault_iova;
static bool has_fault_iova;
static int lookback = 20;
struct cffdec_options options = {
.draw_filter = -1,
@ -426,7 +427,6 @@ dump_cmdstream(void)
* to be less reliable on a4xx and before (pkt0/pkt3),
* compared to pkt4/pkt7 with parity bits
*/
const int lookback = 20;
unsigned rptr = mod_add(rb_rptr, -lookback);
for (int idx = 0; idx < lookback; idx++) {
@ -1008,7 +1008,7 @@ main(int argc, char **argv)
/* default to read from stdin: */
in = stdin;
while ((c = getopt_long(argc, argv, "acf:hmsv", opts, NULL)) != -1) {
while ((c = getopt_long(argc, argv, "acf:l:hmsv", opts, NULL)) != -1) {
switch (c) {
case 'a':
options.allregs = true;
@ -1019,6 +1019,9 @@ main(int argc, char **argv)
case 'f':
in = fopen(optarg, "r");
break;
case 'l':
lookback = atoi(optarg);
break;
case 'm':
options.decode_markers = true;
break;