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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-11-29 10:00:54 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-11-29 10:00:54 +0300 |
| commit | 5d331b5922551637c586cdf5fdc1778910fc937f (patch) | |
| tree | 8f7514513f7ac2f76373a103054f04042d19d3b8 /drivers/gpu/drm/amd/pm/amdgpu_dpm.c | |
| parent | cd455ebb748c4e198c8158e5d61b3034bf10f22b (diff) | |
| parent | d58071a8a76d779eedab38033ae4c821c30295a5 (diff) | |
| download | linux-5d331b5922551637c586cdf5fdc1778910fc937f.tar.xz | |
Merge 5.16-rc3 into char-misc-next
We need the char/misc fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/amd/pm/amdgpu_dpm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/amdgpu_dpm.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c index 03581d5b1836..08362d506534 100644 --- a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c +++ b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c @@ -927,6 +927,13 @@ int amdgpu_dpm_set_powergating_by_smu(struct amdgpu_device *adev, uint32_t block { int ret = 0; const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; + enum ip_power_state pwr_state = gate ? POWER_STATE_OFF : POWER_STATE_ON; + + if (atomic_read(&adev->pm.pwr_state[block_type]) == pwr_state) { + dev_dbg(adev->dev, "IP block%d already in the target %s state!", + block_type, gate ? "gate" : "ungate"); + return 0; + } switch (block_type) { case AMD_IP_BLOCK_TYPE_UVD: @@ -979,6 +986,9 @@ int amdgpu_dpm_set_powergating_by_smu(struct amdgpu_device *adev, uint32_t block break; } + if (!ret) + atomic_set(&adev->pm.pwr_state[block_type], pwr_state); + return ret; } |