[Nouveau] [PATCH 1/2] drm/nouveau: Fix overlap while zeroing zcull regions

Ben Skeggs skeggsb at gmail.com
Thu Jun 12 19:08:44 PDT 2014


On Fri, Jun 13, 2014 at 10:34 AM, Pierre Moreau <pierre.morrow at free.fr> wrote:
> The specified stride was not correct, resulting in erases overlapping and part
> of the zcull regions being not erased at all.
Hey Pierre,

Thanks, I've merged both patches.

>
> Signed-off-by: Pierre Moreau <pierre.morrow at free.fr>
> ---
>  drivers/gpu/drm/nouveau/core/engine/graph/nv50.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nv50.c b/drivers/gpu/drm/nouveau/core/engine/graph/nv50.c
> index 2c7809e..a36adcd 100644
> --- a/drivers/gpu/drm/nouveau/core/engine/graph/nv50.c
> +++ b/drivers/gpu/drm/nouveau/core/engine/graph/nv50.c
> @@ -991,10 +991,10 @@ nv50_graph_init(struct nouveau_object *object)
>
>         /* zero out zcull regions */
>         for (i = 0; i < 8; i++) {
> -               nv_wr32(priv, 0x402c20 + (i * 8), 0x00000000);
> -               nv_wr32(priv, 0x402c24 + (i * 8), 0x00000000);
> -               nv_wr32(priv, 0x402c28 + (i * 8), 0x00000000);
> -               nv_wr32(priv, 0x402c2c + (i * 8), 0x00000000);
> +               nv_wr32(priv, 0x402c20 + (i * 0x10), 0x00000000);
> +               nv_wr32(priv, 0x402c24 + (i * 0x10), 0x00000000);
> +               nv_wr32(priv, 0x402c28 + (i * 0x10), 0x00000000);
> +               nv_wr32(priv, 0x402c2c + (i * 0x10), 0x00000000);
>         }
>         return 0;
>  }
> --
> 2.0.0
>
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