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drm/amdgpu/vcn: add a generic helper for set_power_gating_state

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It's common for all VCN variants.

Reviewed-by: Boyuan Zhang <Boyuan.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2024-11-26 12:30:30 -05:00
parent 4ce4fe2720
commit a2cf2a883c
2 changed files with 26 additions and 0 deletions
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23
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
View File

@ -1397,3 +1397,26 @@ void amdgpu_debugfs_vcn_sched_mask_init(struct amdgpu_device *adev)
&amdgpu_debugfs_vcn_sched_mask_fops);
#endif
}
/**
* vcn_set_powergating_state - set VCN block powergating state
*
* @ip_block: amdgpu_ip_block pointer
* @state: power gating state
*
* Set VCN block powergating state
*/
int vcn_set_powergating_state(struct amdgpu_ip_block *ip_block,
enum amd_powergating_state state)
{
struct amdgpu_device *adev = ip_block->adev;
int ret = 0, i;
for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
struct amdgpu_vcn_inst *vinst = &adev->vcn.inst[i];
ret |= vinst->set_pg_state(vinst, state);
}
return ret;
}

3
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
View File

@ -546,4 +546,7 @@ int amdgpu_vcn_sysfs_reset_mask_init(struct amdgpu_device *adev);
void amdgpu_vcn_sysfs_reset_mask_fini(struct amdgpu_device *adev);
void amdgpu_debugfs_vcn_sched_mask_init(struct amdgpu_device *adev);
int vcn_set_powergating_state(struct amdgpu_ip_block *ip_block,
enum amd_powergating_state state);
#endif