From 495c84ee2dafe0a741bb2247744f16c0f0c0e718 Mon Sep 17 00:00:00 2001 From: Eric Huang Date: Tue, 6 Feb 2018 14:42:04 -0500 Subject: [PATCH 3517/4131] drm/amd/powerplay: implement set_mmhub_powergating_by_smu for Raven mmhub PG is enabled by SMU FW only for Raven. Signed-off-by: Eric Huang Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c | 6 ++++++ drivers/gpu/drm/amd/powerplay/inc/rv_ppsmc.h | 3 ++- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c index 0cb4c32..329a50e 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c @@ -1037,6 +1037,11 @@ static int rv_read_sensor(struct pp_hwmgr *hwmgr, int idx, return ret; } +static int rv_set_mmhub_powergating_by_smu(struct pp_hwmgr *hwmgr) +{ + return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PowerGateMmHub); +} + static const struct pp_hwmgr_func rv_hwmgr_funcs = { .backend_init = rv_hwmgr_backend_init, .backend_fini = rv_hwmgr_backend_fini, @@ -1070,6 +1075,7 @@ static const struct pp_hwmgr_func rv_hwmgr_funcs = { .asic_setup = rv_setup_asic_task, .power_state_set = rv_set_power_state_tasks, .dynamic_state_management_disable = rv_disable_dpm_tasks, + .set_mmhub_powergating_by_smu = rv_set_mmhub_powergating_by_smu, }; int rv_init_function_pointers(struct pp_hwmgr *hwmgr) diff --git a/drivers/gpu/drm/amd/powerplay/inc/rv_ppsmc.h b/drivers/gpu/drm/amd/powerplay/inc/rv_ppsmc.h index f15f4df..426bff2 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/rv_ppsmc.h +++ b/drivers/gpu/drm/amd/powerplay/inc/rv_ppsmc.h @@ -80,7 +80,8 @@ #define PPSMC_MSG_SetSoftMaxSocclkByFreq 0x32 #define PPSMC_MSG_SetSoftMaxFclkByFreq 0x33 #define PPSMC_MSG_SetSoftMaxVcn 0x34 -#define PPSMC_Message_Count 0x35 +#define PPSMC_MSG_PowerGateMmHub 0x35 +#define PPSMC_Message_Count 0x36 typedef uint16_t PPSMC_Result; -- 2.7.4