diff options
Diffstat (limited to 'drivers/gpu/drm/amd')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c index 19141bf84a8c..fc667cb17eb0 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c @@ -83,7 +83,7 @@ static inline void dmub_dcn31_translate_addr(const union dmub_addr *addr_in, void dmub_dcn31_reset(struct dmub_srv *dmub) { union dmub_gpint_data_register cmd; - const uint32_t timeout = 30; + const uint32_t timeout = 100; uint32_t in_reset, scratch, i; REG_GET(DMCUB_CNTL2, DMCUB_SOFT_RESET, &in_reset); @@ -98,21 +98,21 @@ void dmub_dcn31_reset(struct dmub_srv *dmub) /** * Timeout covers both the ACK and the wait * for remaining work to finish. - * - * This is mostly bound by the PHY disable sequence. - * Each register check will be greater than 1us, so - * don't bother using udelay. */ for (i = 0; i < timeout; ++i) { if (dmub->hw_funcs.is_gpint_acked(dmub, cmd)) break; + + udelay(1); } for (i = 0; i < timeout; ++i) { scratch = dmub->hw_funcs.get_gpint_response(dmub); if (scratch == DMUB_GPINT__STOP_FW_RESPONSE) break; + + udelay(1); } /* Force reset in case we timed out, DMCUB is likely hung. */ |