From ca186bad766358eec012f2e024f56e79d835beef Mon Sep 17 00:00:00 2001 From: Yongqiang Sun Date: Wed, 9 Dec 2020 16:56:51 -0500 Subject: [PATCH] drm/amd/display: change SMU repsonse timeout to 2s. [Why] there is some garbage showing up during reboot test. Reason: SMU might handle display driver msg defered and driver will send next msg to SMU after 10ms timeout, once SMU FW handle previous msg, parameters are changed to next one, which result in a wrong value be programmed. [How] Extend timeout to 2s so SMU will have enough time to handle driver msg. Signed-off-by: Yongqiang Sun Acked-by: Bindu Ramamurthy Signed-off-by: Alex Deucher --- .../gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.c index 11a7b583d5616..7deeec9d1c7c7 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.c @@ -99,7 +99,7 @@ int rn_vbios_smu_send_msg_with_param(struct clk_mgr_internal *clk_mgr, unsigned /* Trigger the message transaction by writing the message ID */ REG_WRITE(MP1_SMN_C2PMSG_67, msg_id); - result = rn_smu_wait_for_response(clk_mgr, 10, 1000); + result = rn_smu_wait_for_response(clk_mgr, 10, 200000); ASSERT(result == VBIOSSMC_Result_OK || result == VBIOSSMC_Result_UnknownCmd); -- 2.39.5