On Tue, 4 Aug 2020 at 16:52, Thomas Zimmermann <[email protected]> wrote:
>
> The initial value of the PCI option register got lost while refactoring
> the driver init code. Restore the setting.
>

Ooops,

Reviewed-by: Dave Airlie <[email protected]>

> Signed-off-by: Thomas Zimmermann <[email protected]>
> Reported-by: kernel test robot <[email protected]>
> Fixes: 2021708e0d6e ("drm/mgag200: Initialize PCI registers early during 
> device setup")
> Cc: Lyude Paul <[email protected]>
> Cc: Dave Airlie <[email protected]>
> Cc: Sam Ravnborg <[email protected]>
> Cc: Daniel Vetter <[email protected]>
> Cc: Gerd Hoffmann <[email protected]>
> Cc: Emil Velikov <[email protected]>
> ---
>  drivers/gpu/drm/mgag200/mgag200_drv.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.c 
> b/drivers/gpu/drm/mgag200/mgag200_drv.c
> index 5c854bc7dc86..09170d46aa53 100644
> --- a/drivers/gpu/drm/mgag200/mgag200_drv.c
> +++ b/drivers/gpu/drm/mgag200/mgag200_drv.c
> @@ -74,6 +74,7 @@ static int mgag200_regs_init(struct mga_device *mdev)
>                 break;
>         case G200_SE_A:
>         case G200_SE_B:
> +               option = 0x40049120;
>                 if (mgag200_has_sgram(mdev))
>                         option |= PCI_MGA_OPTION_HARDPWMSK;
>                 option2 = 0x00008000;
> --
> 2.28.0
>
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