From 8718ca1dbf497c302df989afaeb82f05f5a3d961 Mon Sep 17 00:00:00 2001 From: Lijo Lazar Date: Fri, 25 Feb 2022 09:43:49 +0530 Subject: [PATCH] drm/amd/pm: Send message when resp status is 0xFC When PMFW is really busy, it will respond with 0xFC. However, it doesn't change the response register state when it becomes free. Driver should retry and proceed to send message if the response status is 0xFC. Signed-off-by: Lijo Lazar Reviewed-by: Evan Quan Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c index 89b22b2610668..ae64d1980f106 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c @@ -303,7 +303,6 @@ int smu_cmn_send_msg_without_waiting(struct smu_context *smu, reg = __smu_cmn_poll_stat(smu); res = __smu_cmn_reg2errno(smu, reg); if (reg == SMU_RESP_NONE || - reg == SMU_RESP_BUSY_OTHER || res == -EREMOTEIO) goto Out; __smu_cmn_send_msg(smu, msg_index, param); @@ -397,7 +396,6 @@ int smu_cmn_send_smc_msg_with_param(struct smu_context *smu, reg = __smu_cmn_poll_stat(smu); res = __smu_cmn_reg2errno(smu, reg); if (reg == SMU_RESP_NONE || - reg == SMU_RESP_BUSY_OTHER || res == -EREMOTEIO) { __smu_cmn_reg_print_error(smu, reg, index, param, msg); goto Out; -- 2.30.2