diff options
| author | Rex Zhu <Rex.Zhu@amd.com> | 2018-07-19 13:49:07 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-08-27 11:09:41 -0500 |
| commit | 982976d92f17aa8ff5d7a4d09fab4608795d12f3 (patch) | |
| tree | f4c06c991cab7830dcd95377b0c7bc51e3e0af84 /drivers/gpu | |
| parent | 9650205a32e7f69c9846a205351e307ea525c1e7 (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')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 18 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c | 21 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/inc/hwmgr.h | 1 |
3 files changed, 39 insertions, 1 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; } diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c index 0adfc5392cd3..b8637049198d 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c @@ -664,8 +664,13 @@ static void smu8_init_power_gate_state(struct pp_hwmgr *hwmgr) data->uvd_power_gated = false; data->vce_power_gated = false; data->samu_power_gated = false; +#ifdef CONFIG_DRM_AMD_ACP data->acp_power_gated = false; - data->pgacpinit = true; +#else + smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ACPPowerOFF); + data->acp_power_gated = true; +#endif + } static void smu8_init_sclk_threshold(struct pp_hwmgr *hwmgr) @@ -1886,6 +1891,19 @@ static int smu8_enable_disable_vce_dpm(struct pp_hwmgr *hwmgr, bool enable) } +static void smu8_dpm_powergate_acp(struct pp_hwmgr *hwmgr, bool bgate) +{ + struct smu8_hwmgr *data = hwmgr->backend; + + if (data->acp_power_gated == bgate) + return; + + if (bgate) + smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ACPPowerOFF); + else + smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ACPPowerON); +} + static void smu8_dpm_powergate_uvd(struct pp_hwmgr *hwmgr, bool bgate) { struct smu8_hwmgr *data = hwmgr->backend; @@ -1951,6 +1969,7 @@ static const struct pp_hwmgr_func smu8_hwmgr_funcs = { .powerdown_uvd = smu8_dpm_powerdown_uvd, .powergate_uvd = smu8_dpm_powergate_uvd, .powergate_vce = smu8_dpm_powergate_vce, + .powergate_acp = smu8_dpm_powergate_acp, .get_mclk = smu8_dpm_get_mclk, .get_sclk = smu8_dpm_get_sclk, .patch_boot_state = smu8_dpm_patch_boot_state, diff --git a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h index d3d96260f440..7e58a0da5ccf 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h +++ b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h @@ -247,6 +247,7 @@ struct pp_hwmgr_func { int (*powerdown_uvd)(struct pp_hwmgr *hwmgr); void (*powergate_vce)(struct pp_hwmgr *hwmgr, bool bgate); void (*powergate_uvd)(struct pp_hwmgr *hwmgr, bool bgate); + void (*powergate_acp)(struct pp_hwmgr *hwmgr, bool bgate); uint32_t (*get_mclk)(struct pp_hwmgr *hwmgr, bool low); uint32_t (*get_sclk)(struct pp_hwmgr *hwmgr, bool low); int (*power_state_set)(struct pp_hwmgr *hwmgr, |