[PATCH 2/2] drm/amdgpu: Auto switch to video profiling mode on VCN demand

Rex Zhu Rex.Zhu at amd.com
Fri May 18 09:33:10 UTC 2018


Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
index 3549481..94b221f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
@@ -207,11 +207,13 @@ static void amdgpu_vcn_idle_work_handler(struct work_struct *work)
 	unsigned fences = amdgpu_fence_count_emitted(&adev->vcn.ring_dec);
 
 	if (fences == 0) {
-		if (adev->pm.dpm_enabled)
+		if (adev->pm.dpm_enabled) {
+			amdgpu_dpm_switch_power_profile(adev, PP_SMC_POWER_PROFILE_VIDEO, false);
 			amdgpu_dpm_enable_uvd(adev, false);
-		else
+		} else {
 			amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
 							       AMD_PG_STATE_GATE);
+		}
 	} else {
 		schedule_delayed_work(&adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
 	}
@@ -223,11 +225,13 @@ void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring)
 	bool set_clocks = !cancel_delayed_work_sync(&adev->vcn.idle_work);
 
 	if (set_clocks && adev->pm.dpm_enabled) {
-		if (adev->pm.dpm_enabled)
+		if (adev->pm.dpm_enabled) {
 			amdgpu_dpm_enable_uvd(adev, true);
-		else
+			amdgpu_dpm_switch_power_profile(adev, PP_SMC_POWER_PROFILE_VIDEO, true);
+		} else {
 			amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
 							       AMD_PG_STATE_UNGATE);
+		}
 	}
 }
 
-- 
1.9.1



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