diff options
| author | Rex Zhu <Rex.Zhu@amd.com> | 2018-06-14 13:07:19 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-07-05 16:38:49 -0500 |
| commit | 85f80cb3af10f5daf79eee28300c3bbc55a70666 (patch) | |
| tree | 74ebaec588c4610e1570ba3b162414103f82a886 /drivers/gpu/drm/amd/powerplay/amd_powerplay.c | |
| parent | b92c628712ed3a1cf5d4a144290e8ffc170bf51e (diff) | |
| download | linux-85f80cb3af10f5daf79eee28300c3bbc55a70666.tar.gz | |
drm/amd/pp: Add gfx pg support in smu through set_powergating_by_smu
gfx ip block can call set_powergating_by_smu to set gfx pg state if
necessary.
Reviewed-by: Evan Quan <evan.quan@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 | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c index f68551ffb1e2..ef4884b0ddff 100644 --- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c +++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c @@ -236,14 +236,7 @@ static int pp_set_powergating_state(void *handle, pr_err("gfx off control failed!\n"); } - if (hwmgr->hwmgr_func->powergate_gfx == NULL) { - pr_info("%s was not implemented.\n", __func__); - return 0; - } - - /* Enable/disable GFX per cu powergating through SMU */ - return hwmgr->hwmgr_func->powergate_gfx(hwmgr, - state == AMD_PG_STATE_GATE); + return 0; } @@ -1184,6 +1177,21 @@ static int pp_dpm_powergate_mmhub(void *handle) return hwmgr->hwmgr_func->powergate_mmhub(hwmgr); } +static int pp_dpm_powergate_gfx(void *handle, bool gate) +{ + struct pp_hwmgr *hwmgr = handle; + + if (!hwmgr || !hwmgr->pm_en) + return 0; + + if (hwmgr->hwmgr_func->powergate_gfx == NULL) { + pr_info("%s was not implemented.\n", __func__); + return 0; + } + + return hwmgr->hwmgr_func->powergate_gfx(hwmgr, gate); +} + static int pp_set_powergating_by_smu(void *handle, uint32_t block_type, bool gate) { @@ -1201,6 +1209,7 @@ static int pp_set_powergating_by_smu(void *handle, pp_dpm_powergate_mmhub(handle); break; case AMD_IP_BLOCK_TYPE_GFX: + ret = pp_dpm_powergate_gfx(handle, gate); break; default: break; |