Reviewed-by: Kenneth Feng <kenneth.f...@amd.com>
-----Original Message----- From: amd-gfx [mailto:amd-gfx-boun...@lists.freedesktop.org] On Behalf Of Quan, Evan Sent: Thursday, October 10, 2019 11:45 AM To: amd-gfx@lists.freedesktop.org Cc: Quan, Evan <evan.q...@amd.com> Subject: [PATCH 1/2] drm/amd/powerplay: enable df cstate control on powerplay routine [CAUTION: External Email] Currently this is only supported on Vega20 with 40.50 and later SMC firmware. Change-Id: I4f2f7936a3bc6e1a32d590bc76ebfc9a5a53f9cb Signed-off-by: Evan Quan <evan.q...@amd.com> --- .../gpu/drm/amd/include/kgd_pp_interface.h | 6 ++++++ drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 18 ++++++++++++++++++ .../drm/amd/powerplay/hwmgr/vega20_hwmgr.c | 19 +++++++++++++++++++ drivers/gpu/drm/amd/powerplay/inc/hwmgr.h | 1 + .../gpu/drm/amd/powerplay/inc/vega20_ppsmc.h | 3 ++- 5 files changed, 46 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/include/kgd_pp_interface.h b/drivers/gpu/drm/amd/include/kgd_pp_interface.h index 27cf0afaa0b4..5902f80d1fce 100644 --- a/drivers/gpu/drm/amd/include/kgd_pp_interface.h +++ b/drivers/gpu/drm/amd/include/kgd_pp_interface.h @@ -179,6 +179,11 @@ enum pp_mp1_state { PP_MP1_STATE_RESET, }; +enum pp_df_cstate { + DF_CSTATE_DISALLOW = 0, + DF_CSTATE_ALLOW, +}; + #define PP_GROUP_MASK 0xF0000000 #define PP_GROUP_SHIFT 28 @@ -312,6 +317,7 @@ struct amd_pm_funcs { int (*get_ppfeature_status)(void *handle, char *buf); int (*set_ppfeature_status)(void *handle, uint64_t ppfeature_masks); int (*asic_reset_mode_2)(void *handle); + int (*set_df_cstate)(void *handle, enum pp_df_cstate state); }; #endif diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c index fa8ad7db2b3a..83196b79edd5 100644 --- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c +++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c @@ -1548,6 +1548,23 @@ static int pp_smu_i2c_bus_access(void *handle, bool acquire) return ret; } +static int pp_set_df_cstate(void *handle, enum pp_df_cstate state) { + struct pp_hwmgr *hwmgr = handle; + + if (!hwmgr) + return -EINVAL; + + if (!hwmgr->pm_en || !hwmgr->hwmgr_func->set_df_cstate) + return 0; + + mutex_lock(&hwmgr->smu_lock); + hwmgr->hwmgr_func->set_df_cstate(hwmgr, state); + mutex_unlock(&hwmgr->smu_lock); + + return 0; +} + static const struct amd_pm_funcs pp_dpm_funcs = { .load_firmware = pp_dpm_load_fw, .wait_for_fw_loading_complete = pp_dpm_fw_loading_complete, @@ -1606,4 +1623,5 @@ static const struct amd_pm_funcs pp_dpm_funcs = { .set_ppfeature_status = pp_set_ppfeature_status, .asic_reset_mode_2 = pp_asic_reset_mode_2, .smu_i2c_bus_access = pp_smu_i2c_bus_access, + .set_df_cstate = pp_set_df_cstate, }; diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c index f5915308e643..6629c475fe5d 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c @@ -4155,6 +4155,24 @@ static int vega20_smu_i2c_bus_access(struct pp_hwmgr *hwmgr, bool acquire) return res; } +static int vega20_set_df_cstate(struct pp_hwmgr *hwmgr, + enum pp_df_cstate state) { + int ret; + + /* PPSMC_MSG_DFCstateControl is supported with 40.50 and later fws */ + if (hwmgr->smu_version < 0x283200) { + pr_err("Df cstate control is supported with 40.50 and later SMC fw!\n"); + return -EINVAL; + } + + ret = smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_DFCstateControl, state); + if (ret) + pr_err("SetDfCstate failed!\n"); + + return ret; +} + static const struct pp_hwmgr_func vega20_hwmgr_funcs = { /* init/fini related */ .backend_init = vega20_hwmgr_backend_init, @@ -4223,6 +4241,7 @@ static const struct pp_hwmgr_func vega20_hwmgr_funcs = { .set_asic_baco_state = vega20_baco_set_state, .set_mp1_state = vega20_set_mp1_state, .smu_i2c_bus_access = vega20_smu_i2c_bus_access, + .set_df_cstate = vega20_set_df_cstate, }; int vega20_hwmgr_init(struct pp_hwmgr *hwmgr) diff --git a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h index 7bf9a14bfa0b..bd8c922dfd3e 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h +++ b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h @@ -355,6 +355,7 @@ struct pp_hwmgr_func { int (*set_mp1_state)(struct pp_hwmgr *hwmgr, enum pp_mp1_state mp1_state); int (*asic_reset)(struct pp_hwmgr *hwmgr, enum SMU_ASIC_RESET_MODE mode); int (*smu_i2c_bus_access)(struct pp_hwmgr *hwmgr, bool aquire); + int (*set_df_cstate)(struct pp_hwmgr *hwmgr, enum pp_df_cstate + state); }; struct pp_table_func { diff --git a/drivers/gpu/drm/amd/powerplay/inc/vega20_ppsmc.h b/drivers/gpu/drm/amd/powerplay/inc/vega20_ppsmc.h index a0883038f3c3..0c66f0fe1aaf 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/vega20_ppsmc.h +++ b/drivers/gpu/drm/amd/powerplay/inc/vega20_ppsmc.h @@ -120,7 +120,8 @@ #define PPSMC_MSG_SetMGpuFanBoostLimitRpm 0x5D #define PPSMC_MSG_GetAVFSVoltageByDpm 0x5F #define PPSMC_MSG_BacoWorkAroundFlushVDCI 0x60 -#define PPSMC_Message_Count 0x61 +#define PPSMC_MSG_DFCstateControl 0x63 +#define PPSMC_Message_Count 0x64 typedef uint32_t PPSMC_Result; typedef uint32_t PPSMC_Msg; -- 2.23.0 _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx
