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authorRex Zhu <Rex.Zhu@amd.com>2018-07-19 13:49:07 +0800
committerAlex Deucher <alexander.deucher@amd.com>2018-08-27 11:09:41 -0500
commit982976d92f17aa8ff5d7a4d09fab4608795d12f3 (patch)
treef4c06c991cab7830dcd95377b0c7bc51e3e0af84 /drivers/gpu/drm/amd/powerplay/amd_powerplay.c
parent9650205a32e7f69c9846a205351e307ea525c1e7 (diff)
drm/amd/pp: Add ACP PG support in SMU
when ACP block not enabled, we power off acp block to save power. 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 7a646f94b478..da4ebff5b74d 100644
--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
+++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
@@ -1181,6 +1181,21 @@ static int pp_dpm_powergate_gfx(void *handle, bool gate)
return hwmgr->hwmgr_func->powergate_gfx(hwmgr, gate);
}
+static void pp_dpm_powergate_acp(void *handle, bool gate)
+{
+ struct pp_hwmgr *hwmgr = handle;
+
+ if (!hwmgr || !hwmgr->pm_en)
+ return;
+
+ if (hwmgr->hwmgr_func->powergate_acp == NULL) {
+ pr_info("%s was not implemented.\n", __func__);
+ return;
+ }
+
+ hwmgr->hwmgr_func->powergate_acp(hwmgr, gate);
+}
+
static int pp_set_powergating_by_smu(void *handle,
uint32_t block_type, bool gate)
{
@@ -1200,6 +1215,9 @@ static int pp_set_powergating_by_smu(void *handle,
case AMD_IP_BLOCK_TYPE_GFX:
ret = pp_dpm_powergate_gfx(handle, gate);
break;
+ case AMD_IP_BLOCK_TYPE_ACP:
+ pp_dpm_powergate_acp(handle, gate);
+ break;
default:
break;
}