If user disable uvd/vce/vcn/acp blocks via module
parameter ip_block_mask,
driver power off thoser blocks to save power.
Signed-off-by: Rex Zhu <rex....@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 1e4dd09..3ffee08 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1774,6 +1774,24 @@ static int amdgpu_device_set_pg_state(struct
amdgpu_device *adev, enum amd_power
for (j = 0; j < adev->num_ip_blocks; j++) {
i = state == AMD_PG_STATE_GATE ? j : adev->num_ip_blocks - j -
1;
+
+ /* try to power off VCE/UVD/VCN/ACP if they were disabled by
user */
+ if ((adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_UVD
||
+ adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_VCE ||
+ adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_VCN ||
+ adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_ACP)
&&
+ adev->ip_blocks[i].version->funcs->set_powergating_state) {
+ if (!adev->ip_blocks[i].status.valid) {
+ r =
adev->ip_blocks[i].version->funcs->set_powergating_state((void *)adev,
+
state);
+ if (r) {
+ DRM_ERROR("set_powergating_state(gate)
of IP block <%s> failed %d\n",
+
adev->ip_blocks[i].version->funcs->name, r);
+ return r;
+ }
+ }
+ }
+
if (!adev->ip_blocks[i].status.late_initialized)
continue;
/* skip CG for VCE/UVD, it's handled specially */
@@ -1791,6 +1809,7 @@ static int amdgpu_device_set_pg_state(struct
amdgpu_device *adev, enum amd_power
}
}
}
+
return 0;
}
--
1.9.1
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