[PATCH 4/6] drm/amd/amdgpu: Move VCE bypass after MGCG test

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> -----Original Message-----
> From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On Behalf
> Of Tom St Denis
> Sent: Wednesday, August 03, 2016 11:52 AM
> To: amd-gfx at lists.freedesktop.org
> Cc: StDenis, Tom
> Subject: [PATCH 4/6] drm/amd/amdgpu: Move VCE bypass after MGCG test
> 
> Only issue bypass if MGCG enabled

NACK.  We need this for Polaris right now since we don't enable CG yet and setting bypass mode saves power.

Alex

> 
> Signed-off-by: Tom St Denis <tom.stdenis at amd.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/vce_v3_0.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
> b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
> index 9d1924e4e2bc..63c9efefa583 100644
> --- a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
> @@ -769,12 +769,12 @@ static int vce_v3_0_set_clockgating_state(void
> *handle,
>  	bool enable = (state == AMD_CG_STATE_GATE) ? true : false;
>  	int i;
> 
> -	if (adev->asic_type == CHIP_POLARIS10)
> -		vce_v3_set_bypass_mode(adev, enable);
> -
>  	if (!(adev->cg_flags & AMD_CG_SUPPORT_VCE_MGCG))
>  		return 0;
> 
> +	if (adev->asic_type == CHIP_POLARIS10)
> +		vce_v3_set_bypass_mode(adev, enable);
> +
>  	mutex_lock(&adev->grbm_idx_mutex);
>  	for (i = 0; i < 2; i++) {
>  		/* Program VCE Instance 0 or 1 if not harvested */
> --
> 2.9.2
> 
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