diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 35c65b5cc4ef3..5ceb7179cd8ff 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -196,6 +196,7 @@ int amdgpu_set_clockgating_state(struct amdgpu_device *adev, int amdgpu_set_powergating_state(struct amdgpu_device *adev, enum amd_ip_block_type block_type, enum amd_powergating_state state); +void amdgpu_get_clockgating_state(struct amdgpu_device *adev, u32 *flags); int amdgpu_wait_for_idle(struct amdgpu_device *adev, enum amd_ip_block_type block_type); bool amdgpu_is_idle(struct amdgpu_device *adev, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 51aebc26f4e25..efcd1a3b75672 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1132,6 +1132,18 @@ int amdgpu_set_powergating_state(struct amdgpu_device *adev, return r; } +void amdgpu_get_clockgating_state(struct amdgpu_device *adev, u32 *flags) +{ + int i; + + for (i = 0; i < adev->num_ip_blocks; i++) { + if (!adev->ip_blocks[i].status.valid) + continue; + if (adev->ip_blocks[i].version->funcs->get_clockgating_state) + adev->ip_blocks[i].version->funcs->get_clockgating_state((void *)adev, flags); + } +} + int amdgpu_wait_for_idle(struct amdgpu_device *adev, enum amd_ip_block_type block_type) { diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c index 0967afb9e8ecc..08612a9cbe984 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c @@ -1364,6 +1364,10 @@ static int amdgpu_debugfs_pm_info(struct seq_file *m, void *data) struct drm_device *dev = node->minor->dev; struct amdgpu_device *adev = dev->dev_private; struct drm_device *ddev = adev->ddev; + u32 flags = 0; + + amdgpu_get_clockgating_state(adev, &flags); + seq_printf(m, "Clock Gating Flags Mask: 0x%x\n", flags); if (!adev->pm.dpm_enabled) { seq_printf(m, "dpm not enabled\n"); diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h index 92138a9f6f933..5fffe6f72640e 100644 --- a/drivers/gpu/drm/amd/include/amd_shared.h +++ b/drivers/gpu/drm/amd/include/amd_shared.h @@ -214,6 +214,8 @@ struct amd_ip_funcs { /* enable/disable pg for the IP block */ int (*set_powergating_state)(void *handle, enum amd_powergating_state state); + /* get current clockgating status */ + void (*get_clockgating_state)(void *handle, u32 *flags); }; #endif /* __AMD_SHARED_H__ */