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drm/amdgpu: fix to disable powergating in hw_fini 

We need enable CGPG and GFXOFF together. If only enable one of them, this system
will get hang after startx (do draw command). So when gfxoff is disabled, it
also need disable CGPG after that.

Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Huang Rui 2018-02-27 13:43:59 +08:00 committed by Alex Deucher
parent b083369621
commit 151b5d7fd3
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
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@ -3137,6 +3137,9 @@ static int gfx_v9_0_hw_fini(void *handle)
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
int i;
amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_GFX,
AMD_PG_STATE_UNGATE);
amdgpu_irq_put(adev, &adev->gfx.priv_reg_irq, 0);
amdgpu_irq_put(adev, &adev->gfx.priv_inst_irq, 0);