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Commit c113ba15 authored by Jack Xiao's avatar Jack Xiao Committed by Alex Deucher
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drm/amdgpu/vcn2: notify SMU power up/down VCN 



For sw control power gating, it needs notify SMU to power up/down VCN
when enter/exit working state.

Signed-off-by: default avatarJack Xiao <Jack.Xiao@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Reviewed-by: default avatarHuang Rui <ray.huang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 8a33c4f1

drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c

+7 −0
Original line number Diff line number Diff line
@@ -27,6 +27,7 @@ 
#include "amdgpu_vcn.h"

#include "soc15.h"

#include "soc15d.h"

#include "amdgpu_pm.h"



#include "vcn/vcn_2_0_0_offset.h"

#include "vcn/vcn_2_0_0_sh_mask.h"
@@ -779,6 +780,9 @@ static int vcn_v2_0_start(struct amdgpu_device *adev) 
	uint32_t lmi_swap_cntl;

	int i, j, r;



	if (adev->pm.dpm_enabled)

		amdgpu_dpm_enable_uvd(adev, true);



	vcn_v2_0_disable_static_power_gating(adev);



	/* set uvd status busy */
@@ -991,6 +995,9 @@ static int vcn_v2_0_stop(struct amdgpu_device *adev) 
	vcn_v2_0_enable_clock_gating(adev);

	vcn_v2_0_enable_static_power_gating(adev);



	if (adev->pm.dpm_enabled)

		amdgpu_dpm_enable_uvd(adev, false);



	return 0;

}