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| author | Rex Zhu <Rex.Zhu@amd.com> | 2018-06-05 13:06:11 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-07-05 16:38:48 -0500 |
| commit | b92c628712ed3a1cf5d4a144290e8ffc170bf51e (patch) | |
| tree | 049bc880c00dd06136bcb3eb1e4555c998bf14b0 /drivers/gpu/drm/amd/amdgpu/kv_dpm.c | |
| parent | 3eb6e4795de3171d5c59f9368f48bb770087de77 (diff) | |
| download | lwn-b92c628712ed3a1cf5d4a144290e8ffc170bf51e.tar.gz lwn-b92c628712ed3a1cf5d4a144290e8ffc170bf51e.zip | |
drm/amd/pp: Unify powergate_uvd/vce/mmhub to set_powergating_by_smu
Some HW ip blocks need call SMU to enter/leave power gate state.
So export common set_powergating_by_smu interface.
1. keep consistent with set_clockgating_by_smu
2. scales easily to powergate other ip(gfx) 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/amdgpu/kv_dpm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/kv_dpm.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c index 46de1fd18a7b..3f57f6463dc8 100644 --- a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c @@ -3306,6 +3306,19 @@ static int kv_dpm_read_sensor(void *handle, int idx, } } +static int kv_set_powergating_by_smu(void *handle, + uint32_t block_type, bool gate) +{ + switch (block_type) { + case AMD_IP_BLOCK_TYPE_UVD: + kv_dpm_powergate_uvd(handle, gate); + break; + default: + break; + } + return 0; +} + static const struct amd_ip_funcs kv_dpm_ip_funcs = { .name = "kv_dpm", .early_init = kv_dpm_early_init, @@ -3342,7 +3355,7 @@ static const struct amd_pm_funcs kv_dpm_funcs = { .print_power_state = &kv_dpm_print_power_state, .debugfs_print_current_performance_level = &kv_dpm_debugfs_print_current_performance_level, .force_performance_level = &kv_dpm_force_performance_level, - .powergate_uvd = &kv_dpm_powergate_uvd, + .set_powergating_by_smu = kv_set_powergating_by_smu, .enable_bapm = &kv_dpm_enable_bapm, .get_vce_clock_state = amdgpu_get_vce_clock_state, .check_state_equal = kv_check_state_equal, |