diff options
Diffstat (limited to 'src/lib/discover.c')
| -rw-r--r-- | src/lib/discover.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/src/lib/discover.c b/src/lib/discover.c index b58d3cc..52cb96f 100644 --- a/src/lib/discover.c +++ b/src/lib/discover.c @@ -51,8 +51,21 @@ struct umr_asic *umr_discover_asic(struct umr_options *options) FILE *f; unsigned did; struct umr_asic *asic; + long trydid = options->forcedid; - if (options->forcedid < 0) { + // try to scan via debugfs + asic = calloc(1, sizeof *asic); + if (asic) { + asic->instance = options->instance; + asic->options = *options; + umr_scan_config(asic); + if (asic->config.pci.device) + trydid = asic->config.pci.device; + umr_free_asic(asic); + asic = NULL; + } + + if (trydid < 0) { snprintf(name, sizeof(name)-1, "/sys/kernel/debug/dri/%d/name", options->instance); f = fopen(name, "r"); if (!f) { @@ -93,7 +106,7 @@ struct umr_asic *umr_discover_asic(struct umr_options *options) if (options->dev_name[0]) asic = umr_discover_asic_by_name(options, options->dev_name); else - asic = umr_discover_asic_by_did(options, options->forcedid); + asic = umr_discover_asic_by_did(options, trydid); } if (asic) { |