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authorRex Zhu <Rex.Zhu@amd.com>2018-09-25 19:45:46 +0800
committerAlex Deucher <alexander.deucher@amd.com>2018-10-09 17:00:32 -0500
commit40bea02f4a1414f0163c5380423f578b3507e69f (patch)
treef14eaa089af274c96726a1b349eb242631e209d7 /drivers/gpu/drm/amd/powerplay/amd_powerplay.c
parentc52dcf49195d06319189c7f1dd8b62bfca545197 (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/gpu/drm/amd/powerplay/amd_powerplay.c')
-rw-r--r--drivers/gpu/drm/amd/powerplay/amd_powerplay.c18
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;
}