From fe9e1549ceb12baa9b50acc84e6c3f8e0751c052 Mon Sep 17 00:00:00 2001 From: Rodrigo Siqueira Date: Mon, 12 Feb 2024 14:31:18 -0700 Subject: drm/amd/display: Add SMU timeout check and retry Instead of only asserting in the case of the SMU wait time is not what we expect, add the SMU timeout check and try again. Tested-by: Daniel Wheeler Acked-by: Hamza Mahfooz Signed-off-by: Rodrigo Siqueira Signed-off-by: Alex Deucher --- .../drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.c | 11 ++++++++--- drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/dcn301_smu.c | 6 +++++- 2 files changed, 13 insertions(+), 4 deletions(-) (limited to 'drivers') 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 d72acbb049b1..23b390245b5d 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 @@ -26,6 +26,10 @@ #include "core_types.h" #include "clk_mgr_internal.h" #include "reg_helper.h" +#include "dm_helpers.h" + +#include "rn_clk_mgr_vbios_smu.h" + #include #include "renoir_ip_offset.h" @@ -33,8 +37,6 @@ #include "mp/mp_12_0_0_offset.h" #include "mp/mp_12_0_0_sh_mask.h" -#include "rn_clk_mgr_vbios_smu.h" - #define REG(reg_name) \ (MP0_BASE.instance[0].segment[mm ## reg_name ## _BASE_IDX] + mm ## reg_name) @@ -120,7 +122,10 @@ static int rn_vbios_smu_send_msg_with_param(struct clk_mgr_internal *clk_mgr, result = rn_smu_wait_for_response(clk_mgr, 10, 200000); - ASSERT(result == VBIOSSMC_Result_OK || result == VBIOSSMC_Result_UnknownCmd); + if (IS_SMU_TIMEOUT(result)) { + ASSERT(0); + dm_helpers_smu_timeout(CTX, msg_id, param, 10 * 200000); + } /* Actual dispclk set is returned in the parameter register */ return REG_READ(MP1_SMN_C2PMSG_83); diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/dcn301_smu.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/dcn301_smu.c index 19e5b3be9275..b4fb17b7a096 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/dcn301_smu.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/dcn301_smu.c @@ -29,6 +29,7 @@ #include #include "dcn301_smu.h" +#include "dm_helpers.h" #include "vangogh_ip_offset.h" @@ -120,7 +121,10 @@ static int dcn301_smu_send_msg_with_param(struct clk_mgr_internal *clk_mgr, result = dcn301_smu_wait_for_response(clk_mgr, 10, 200000); - ASSERT(result == VBIOSSMC_Result_OK); + if (IS_SMU_TIMEOUT(result)) { + ASSERT(0); + dm_helpers_smu_timeout(CTX, msg_id, param, 10 * 200000); + } /* Actual dispclk set is returned in the parameter register */ return REG_READ(MP1_SMN_C2PMSG_83); -- cgit v1.2.3