[PATCH] drm/amdgpu: correct clock info for SRIOV

[Deucher, Alexander]

> -----Original Message-----
> From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On Behalf
> Of Xiangliang Yu
> Sent: Saturday, June 03, 2017 5:45 AM
> To: amd-gfx at lists.freedesktop.org
> Cc: Yu, Xiangliang
> Subject: [PATCH] drm/amdgpu: correct clock info for SRIOV
> 
> Currently, get clock info from default clk of pm if dpm is disable.
> Buf SRIOV doesn't support dpm and pm, can't get anything from pm.
> Only get clock info only from default clk of amdgpu for SRIOV.
> 
> And driver get pm default clk also from amdgpu default clk and never
> be changed by others. So use amdgpu default clk value for SRIOV
> and non-dpm cases.

This won't work for vega10 or Raven since we don't parse the default clock info on them anymore due to atom firmware changes.

Alex

> 
> Signed-off-by: Xiangliang Yu <Xiangliang.Yu at amd.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
> index 4947f04..1935f07 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
> @@ -530,8 +530,8 @@ static int amdgpu_info_ioctl(struct drm_device *dev,
> void *data, struct drm_file
>  			dev_info.max_engine_clock =
> amdgpu_dpm_get_sclk(adev, false) * 10;
>  			dev_info.max_memory_clock =
> amdgpu_dpm_get_mclk(adev, false) * 10;
>  		} else {
> -			dev_info.max_engine_clock = adev-
> >pm.default_sclk * 10;
> -			dev_info.max_memory_clock = adev-
> >pm.default_mclk * 10;
> +			dev_info.max_engine_clock = adev-
> >clock.default_sclk * 10;
> +			dev_info.max_memory_clock = adev-
> >clock.default_mclk * 10;
>  		}
>  		dev_info.enabled_rb_pipes_mask = adev-
> >gfx.config.backend_enable_mask;
>  		dev_info.num_rb_pipes = adev-
> >gfx.config.max_backends_per_se *
> --
> 2.7.4
> 
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