[PATCH 18/18] drm/amdgpu: set powergating state by vcn instance

boyuan.zhang at amd.com boyuan.zhang at amd.com
Wed Oct 2 04:36:27 UTC 2024


From: Boyuan Zhang <boyuan.zhang at amd.com>

Set powergating state by vcn instance in idle_work_handler() and
ring_begin_use() functions for vcn with multiple instances.

Signed-off-by: Boyuan Zhang <boyuan.zhang at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
index 28c5e15d166d..9a8e8f88e1ad 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
@@ -410,8 +410,12 @@ static void amdgpu_vcn_idle_work_handler(struct work_struct *work)
 	fence += amdgpu_fence_count_emitted(&adev->vcn.inst[inst].ring_dec);
 
 	if (!fence && !atomic_read(&adev->vcn.total_submission_cnt)) {
-		amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
-		       AMD_PG_STATE_GATE);
+		if (adev->vcn.num_vcn_inst > 1)
+			amdgpu_device_ip_set_powergating_state_instance(adev,
+				AMD_IP_BLOCK_TYPE_VCN, AMD_PG_STATE_GATE, inst);
+		else
+			amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
+				AMD_PG_STATE_GATE);
 		r = amdgpu_dpm_switch_power_profile(adev, PP_SMC_POWER_PROFILE_VIDEO,
 											false);
 		if (r)
@@ -436,8 +440,12 @@ void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring)
 	}
 
 	mutex_lock(&adev->vcn.vcn_pg_lock);
-	amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
-	       AMD_PG_STATE_UNGATE);
+	if (adev->vcn.num_vcn_inst > 1)
+		amdgpu_device_ip_set_powergating_state_instance(adev,
+			AMD_IP_BLOCK_TYPE_VCN, AMD_PG_STATE_UNGATE, ring->me);
+	else
+		amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
+			AMD_PG_STATE_UNGATE);
 
 	/* Only set DPG pause for VCN3 or below, VCN4 and above will be handled by FW */
 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG &&
-- 
2.34.1



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