diff options
| author | Rex Zhu <Rex.Zhu@amd.com> | 2018-09-25 19:45:46 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-10-09 17:00:32 -0500 |
| commit | 40bea02f4a1414f0163c5380423f578b3507e69f (patch) | |
| tree | f14eaa089af274c96726a1b349eb242631e209d7 /drivers | |
| parent | c52dcf49195d06319189c7f1dd8b62bfca545197 (diff) | |
drm/amd/pp: Expose the smu support for SDMA PG cntl
SDMA IP can be power up/down via smu message
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 18 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/inc/hwmgr.h | 1 |
3 files changed, 27 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c index c2e541266273..32f475e37051 100644 --- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c +++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c @@ -1196,6 +1196,21 @@ static void pp_dpm_powergate_acp(void *handle, bool gate) hwmgr->hwmgr_func->powergate_acp(hwmgr, gate); } +static void pp_dpm_powergate_sdma(void *handle, bool gate) +{ + struct pp_hwmgr *hwmgr = handle; + + if (!hwmgr) + return; + + if (hwmgr->hwmgr_func->powergate_sdma == NULL) { + pr_info("%s was not implemented.\n", __func__); + return; + } + + hwmgr->hwmgr_func->powergate_sdma(hwmgr, gate); +} + static int pp_set_powergating_by_smu(void *handle, uint32_t block_type, bool gate) { @@ -1218,6 +1233,9 @@ static int pp_set_powergating_by_smu(void *handle, case AMD_IP_BLOCK_TYPE_ACP: pp_dpm_powergate_acp(handle, gate); break; + case AMD_IP_BLOCK_TYPE_SDMA: + pp_dpm_powergate_sdma(handle, gate); + break; default: break; } diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c index 5d1dae25a466..b7a9d0ce59e1 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c @@ -1153,6 +1153,14 @@ static int smu10_powergate_mmhub(struct pp_hwmgr *hwmgr) return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PowerGateMmHub); } +static int smu10_powergate_sdma(struct pp_hwmgr *hwmgr, bool gate) +{ + if (gate) + return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PowerDownSdma); + else + return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PowerUpSdma); +} + static void smu10_powergate_vcn(struct pp_hwmgr *hwmgr, bool bgate) { if (bgate) { diff --git a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h index 8484e2db2554..35f227222cee 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h +++ b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h @@ -328,6 +328,7 @@ struct pp_hwmgr_func { int (*set_power_limit)(struct pp_hwmgr *hwmgr, uint32_t n); int (*powergate_mmhub)(struct pp_hwmgr *hwmgr); int (*smus_notify_pwe)(struct pp_hwmgr *hwmgr); + int (*powergate_sdma)(struct pp_hwmgr *hwmgr, bool bgate); int (*enable_mgpu_fan_boost)(struct pp_hwmgr *hwmgr); }; |