Re: [PATCH] drm/amdgpu: enable gfxoff for raven1 refresh

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On Thu, Dec 12, 2019 at 06:01:55PM +0800, Zhu, Changfeng wrote:
> From: changzhu <Changfeng.Zhu@xxxxxxx>
> 
> When smu version is larger than 0x41e2b, it will load
> raven_kicker_rlc.bin.To enable gfxoff for raven_kicker_rlc.bin,it
> needs to avoid adev->pm.pp_feature &= ~PP_GFXOFF_MASK when it loads
> raven_kicker_rlc.bin.
> 
> Change-Id: I4dffa1783c9ceb5d40df9756d821e2cd7feff84d
> Signed-off-by: changzhu <Changfeng.Zhu@xxxxxxx>
> ---
>  drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 13 ++++---------
>  1 file changed, 4 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
> index ea58d0e5be4c..56a38d67a949 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
> @@ -1038,17 +1038,12 @@ static void gfx_v9_0_check_if_need_gfxoff(struct amdgpu_device *adev)
>  	case CHIP_VEGA20:
>  		break;
>  	case CHIP_RAVEN:
> -		/* Disable GFXOFF on original raven.  There are combinations
> -		 * of sbios and platforms that are not stable.
> -		 */

Please add comments that only enable gfxoff on raven kicker so far.


> -		if (!(adev->rev_id >= 0x8 || adev->pdev->device == 0x15d8))
> -			adev->pm.pp_feature &= ~PP_GFXOFF_MASK;
> -		else if (!(adev->rev_id >= 0x8 || adev->pdev->device == 0x15d8)
> -			 &&((adev->gfx.rlc_fw_version != 106 &&
> -			     adev->gfx.rlc_fw_version < 531) ||
> +		if (!(adev->rev_id >= 0x8 || adev->pdev->device == 0x15d8)
> +			 &&((adev->gfx.rlc_fw_version < 531) ||
>  			    (adev->gfx.rlc_fw_version == 53815) ||
>  			    (adev->gfx.rlc_feature_version < 1) ||
> +			    !adev->gfx.rlc.is_rlc_v2_1)
> +			 &&(adev->pm.fw_version < 0x41e2b))

I think the if should be below:

		if (!(adev->rev_id >= 0x8 || adev->pdev->device == 0x15d8)
                        && adev->pm.fw_version < 0x41e2b /* not raven1 fresh */
                        || !adev->gfx.rlc.is_rlc_v2_1) /* without rlc save restore ucodes */

Thanks,
Ray

>  			adev->pm.pp_feature &= ~PP_GFXOFF_MASK;
>  
>  		if (adev->pm.pp_feature & PP_GFXOFF_MASK)
> -- 
> 2.17.1
> 
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