[PATCH 1/2] drm/radeon: allow pcie gen2 speed on NI

[Alex Deucher]

On Tue, Sep 20, 2011 at 10:22 AM, Ilija Hadzic
<ihadzic at research.bell-labs.com> wrote:
> Enabling pcie gen2 speed was skipped for Northern Islands
> AISCs, although it looks like it works just fine with the same
> initialization sequence used for evergreen.
>
> According to Alex D. gen2 init was skipped to prevent a crash
> that has been caused by some other bug that has been
> fixed in the meantime; so now it should be safe to enable it.
>
> Signed-off-by: Ilija Hadzic <ihadzic at research.bell-labs.com>

I just double checked and BTC and cayman use the same programming
method.  Both patches:

Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

Thanks!

Alex


> ---
>  drivers/gpu/drm/radeon/evergreen.c |    3 +--
>  1 files changed, 1 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
> index f09bace..208b59c 100644
> --- a/drivers/gpu/drm/radeon/evergreen.c
> +++ b/drivers/gpu/drm/radeon/evergreen.c
> @@ -2987,8 +2987,7 @@ static int evergreen_startup(struct radeon_device *rdev)
>        int r;
>
>        /* enable pcie gen2 link */
> -       if (!ASIC_IS_DCE5(rdev))
> -               evergreen_pcie_gen2_enable(rdev);
> +       evergreen_pcie_gen2_enable(rdev);
>
>        if (ASIC_IS_DCE5(rdev)) {
>                if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
> --
> 1.7.6
>
> _______________________________________________
> dri-devel mailing list
> dri-devel at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel
>