diff options
| author | Prike Liang <Prike.Liang@amd.com> | 2019-09-16 15:56:52 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-10-03 09:10:59 -0500 |
| commit | 08dac62f3e20f1069a8a7e0a1938a3a18886af20 (patch) | |
| tree | a2a3c2b391bfe4229476323d09e6fcfd4f4233cb /drivers/gpu | |
| parent | 57516cdd74d478dfb6782e3a84ce47c1c0f72f24 (diff) | |
drm/amd/powerplay: implement VCN power gating control interface
VCN Gate/Ungate by processing the SMU power up/down message, otherwise
S3 will resume failed as JPEG always power off during start VCN stage.
Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/renoir_ppt.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c index 2c22ba49c453..9311b6acc34d 100644 --- a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c @@ -278,6 +278,32 @@ static enum amd_pm_state_type renoir_get_current_power_state(struct smu_context return pm_type; } +static int renoir_dpm_set_uvd_enable(struct smu_context *smu, bool enable) +{ + struct smu_power_context *smu_power = &smu->smu_power; + struct smu_power_gate *power_gate = &smu_power->power_gate; + int ret = 0; + + if (enable) { + /* vcn dpm on is a prerequisite for vcn power gate messages */ + if (smu_feature_is_enabled(smu, SMU_FEATURE_VCN_PG_BIT)) { + ret = smu_send_smc_msg_with_param(smu, SMU_MSG_PowerUpVcn, 1); + if (ret) + return ret; + } + power_gate->vcn_gated = false; + } else { + if (smu_feature_is_enabled(smu, SMU_FEATURE_VCN_PG_BIT)) { + ret = smu_send_smc_msg(smu, SMU_MSG_PowerDownVcn); + if (ret) + return ret; + } + power_gate->vcn_gated = true; + } + + return ret; +} + static const struct pptable_funcs renoir_ppt_funcs = { .get_smu_msg_index = renoir_get_smu_msg_index, .get_smu_table_index = renoir_get_smu_table_index, @@ -286,7 +312,7 @@ static const struct pptable_funcs renoir_ppt_funcs = { .get_dpm_uclk_limited = renoir_get_dpm_uclk_limited, .print_clk_levels = renoir_print_clk_levels, .get_current_power_state = renoir_get_current_power_state, - + .dpm_set_uvd_enable = renoir_dpm_set_uvd_enable, }; void renoir_set_ppt_funcs(struct smu_context *smu) |