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/gpu/drm/amd/powerplay/amd_powerplay.c | |
| parent | drm/amd/pp: Avoid divide-by-zero in fan_ctrl_set_fan_speed_rpm (diff) | |
| download | linux-dev-40bea02f4a1414f0163c5380423f578b3507e69f.tar.xz linux-dev-40bea02f4a1414f0163c5380423f578b3507e69f.zip | |
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/gpu/drm/amd/powerplay/amd_powerplay.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 18 |
1 files changed, 18 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; } |