On Tue, 4 Aug 2020 at 16:52, Thomas Zimmermann <tzimmermann@xxxxxxx> 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 <airlied@xxxxxxxxxx>
> Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Fixes: 2021708e0d6e ("drm/mgag200: Initialize PCI registers early during device setup")
> Cc: Lyude Paul <lyude@xxxxxxxxxx>
> Cc: Dave Airlie <airlied@xxxxxxxxxx>
> Cc: Sam Ravnborg <sam@xxxxxxxxxxxx>
> Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
> Cc: Gerd Hoffmann <kraxel@xxxxxxxxxx>
> Cc: Emil Velikov <emil.velikov@xxxxxxxxxxxxx>
> ---
> 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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