[PATCH 3/7] drm/amdgpu: init zfb start address and size

[Nils Wallménius]

Den tis 15 maj 2018 16:50Alex Deucher <alexdeucher at gmail.com> skrev:

> From: Feifei Xu <Feifei.Xu at amd.com>
>
> Use module parameter passed from user to initialize zfb start address
> and size.
>
> Signed-off-by: Feifei Xu <Feifei.Xu at amd.com>
> Signed-off-by: Hawking Zhang <Hawking.Zhang at amd.com>
> Acked-by: John Bridgman <john.bridgman at amd.com>
> Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 9 +++++++++
>  1 file changed, 9 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> index 887f7c9e84e0..b175178345aa 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> @@ -1010,6 +1010,15 @@ static void amdgpu_device_check_arguments(struct
> amdgpu_device *adev)
>         }
>
>         adev->firmware.load_type = amdgpu_ucode_get_load_type(adev,
> amdgpu_fw_load_type);
> +
> +       if (amdgpu_zfb[0] > 0) {
> +               dev_warn(adev->dev, "Zero Fram Buffer is enabled\n");
>

s/Fram/Frame/

BR
Nils

+               adev->gmc.zfb_phys_addr = amdgpu_zfb[1] << 20;
> +               adev->gmc.zfb_size = amdgpu_zfb[0] << 20;
> +       } else {
> +               adev->gmc.zfb_phys_addr = 0;
> +               adev->gmc.zfb_size = 0;
> +       }
>  }
>
>  /**
> --
> 2.13.6
>
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