diff options
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/src/dmub_dcn401.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn401.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn401.c index 731ca9b6a6cf..2575dbc448f7 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn401.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn401.c @@ -66,24 +66,20 @@ void dmub_dcn401_reset(struct dmub_srv *dmub) const uint32_t timeout_us = 1 * 1000 * 1000; //1s const uint32_t poll_delay_us = 1; //1us uint32_t i = 0; - uint32_t in_reset, scratch, pwait_mode; + uint32_t enabled, in_reset, scratch, pwait_mode; - REG_GET(DMCUB_CNTL2, DMCUB_SOFT_RESET, &in_reset); + REG_GET(DMCUB_CNTL, + DMCUB_ENABLE, &enabled); + REG_GET(DMCUB_CNTL2, + DMCUB_SOFT_RESET, &in_reset); - if (in_reset == 0) { + if (enabled && in_reset == 0) { cmd.bits.status = 1; cmd.bits.command_code = DMUB_GPINT__STOP_FW; cmd.bits.param = 0; dmub->hw_funcs.set_gpint(dmub, cmd); - for (i = 0; i < timeout_us; i++) { - if (dmub->hw_funcs.is_gpint_acked(dmub, cmd)) - break; - - udelay(poll_delay_us); - } - for (; i < timeout_us; i++) { scratch = dmub->hw_funcs.get_gpint_response(dmub); if (scratch == DMUB_GPINT__STOP_FW_RESPONSE) |