From: Saaem Rizvi <SyedSaaem.Rizvi@xxxxxxx> commit 149f6d1a6035a7aa6595ac6eeb9c8f566b2103cd upstream. [WHY] Assert statements causing several bugs on Linux DM [HOW] Removing assert statement for Linux DM (ASSERT(result == VBIOSSMC_Result_OK)). Also adding logging statements for setting dcfclk. Bug: https://bugzilla.kernel.org/show_bug.cgi?id=216092 Fixes: c1b972a18d05 ("drm/amd/display: Insert pulling smu busy status before sending another request") Reviewed-by: Gabe Teeger <Gabe.Teeger@xxxxxxx> Acked-by: Solomon Chiu <solomon.chiu@xxxxxxx> Signed-off-by: Saaem Rizvi <SyedSaaem.Rizvi@xxxxxxx> Tested-by: Daniel Wheeler <daniel.wheeler@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.c | 8 ++++++-- drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/dcn301_smu.c | 7 ++++++- drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_smu.c | 8 ++++++-- drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_smu.c | 8 ++++++-- drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_smu.c | 8 ++++++-- 5 files changed, 30 insertions(+), 9 deletions(-) --- 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 @@ -101,9 +101,9 @@ static int rn_vbios_smu_send_msg_with_pa uint32_t result; result = rn_smu_wait_for_response(clk_mgr, 10, 200000); - ASSERT(result == VBIOSSMC_Result_OK); - smu_print("SMU response after wait: %d\n", result); + if (result != VBIOSSMC_Result_OK) + smu_print("SMU Response was not OK. SMU response after wait received is: %d\n", result); if (result == VBIOSSMC_Status_BUSY) { return -1; @@ -188,6 +188,10 @@ int rn_vbios_smu_set_hard_min_dcfclk(str VBIOSSMC_MSG_SetHardMinDcfclkByFreq, khz_to_mhz_ceil(requested_dcfclk_khz)); +#ifdef DBG + smu_print("actual_dcfclk_set_mhz %d is set to : %d\n", actual_dcfclk_set_mhz, actual_dcfclk_set_mhz * 1000); +#endif + return actual_dcfclk_set_mhz * 1000; } --- 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 @@ -102,7 +102,8 @@ static int dcn301_smu_send_msg_with_para result = dcn301_smu_wait_for_response(clk_mgr, 10, 200000); - smu_print("SMU response after wait: %d\n", result); + if (result != VBIOSSMC_Result_OK) + smu_print("SMU Response was not OK. SMU response after wait received is: %d\n", result); if (result == VBIOSSMC_Status_BUSY) { return -1; @@ -179,6 +180,10 @@ int dcn301_smu_set_hard_min_dcfclk(struc VBIOSSMC_MSG_SetHardMinDcfclkByFreq, khz_to_mhz_ceil(requested_dcfclk_khz)); +#ifdef DBG + smu_print("actual_dcfclk_set_mhz %d is set to : %d\n", actual_dcfclk_set_mhz, actual_dcfclk_set_mhz * 1000); +#endif + return actual_dcfclk_set_mhz * 1000; } --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_smu.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_smu.c @@ -108,9 +108,9 @@ static int dcn31_smu_send_msg_with_param uint32_t result; result = dcn31_smu_wait_for_response(clk_mgr, 10, 200000); - ASSERT(result == VBIOSSMC_Result_OK); - smu_print("SMU response after wait: %d\n", result); + if (result != VBIOSSMC_Result_OK) + smu_print("SMU Response was not OK. SMU response after wait received is: %d\n", result); if (result == VBIOSSMC_Status_BUSY) { return -1; @@ -202,6 +202,10 @@ int dcn31_smu_set_hard_min_dcfclk(struct VBIOSSMC_MSG_SetHardMinDcfclkByFreq, khz_to_mhz_ceil(requested_dcfclk_khz)); +#ifdef DBG + smu_print("actual_dcfclk_set_mhz %d is set to : %d\n", actual_dcfclk_set_mhz, actual_dcfclk_set_mhz * 1000); +#endif + return actual_dcfclk_set_mhz * 1000; } --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_smu.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_smu.c @@ -136,9 +136,9 @@ static int dcn315_smu_send_msg_with_para uint32_t result; result = dcn315_smu_wait_for_response(clk_mgr, 10, 200000); - ASSERT(result == VBIOSSMC_Result_OK); - smu_print("SMU response after wait: %d\n", result); + if (result != VBIOSSMC_Result_OK) + smu_print("SMU Response was not OK. SMU response after wait received is: %d\n", result); if (result == VBIOSSMC_Status_BUSY) { return -1; @@ -205,6 +205,10 @@ int dcn315_smu_set_hard_min_dcfclk(struc VBIOSSMC_MSG_SetHardMinDcfclkByFreq, khz_to_mhz_ceil(requested_dcfclk_khz)); +#ifdef DBG + smu_print("actual_dcfclk_set_mhz %d is set to : %d\n", actual_dcfclk_set_mhz, actual_dcfclk_set_mhz * 1000); +#endif + return actual_dcfclk_set_mhz * 1000; } --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_smu.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_smu.c @@ -124,9 +124,9 @@ static int dcn316_smu_send_msg_with_para uint32_t result; result = dcn316_smu_wait_for_response(clk_mgr, 10, 200000); - ASSERT(result == VBIOSSMC_Result_OK); - smu_print("SMU response after wait: %d\n", result); + if (result != VBIOSSMC_Result_OK) + smu_print("SMU Response was not OK. SMU response after wait received is: %d\n", result); if (result == VBIOSSMC_Status_BUSY) { return -1; @@ -191,6 +191,10 @@ int dcn316_smu_set_hard_min_dcfclk(struc VBIOSSMC_MSG_SetHardMinDcfclkByFreq, khz_to_mhz_ceil(requested_dcfclk_khz)); +#ifdef DBG + smu_print("actual_dcfclk_set_mhz %d is set to : %d\n", actual_dcfclk_set_mhz, actual_dcfclk_set_mhz * 1000); +#endif + return actual_dcfclk_set_mhz * 1000; }
