[Mesa-dev] [PATCH 3/3] nvc0: enable compute support on GK110+ with an envvar

[Ilia Mirkin]

Reviewed-by: Ilia Mirkin <imirkin at alum.mit.edu>

On Sat, Feb 13, 2016 at 6:31 PM, Samuel Pitoiset
<samuel.pitoiset at gmail.com> wrote:
> Without this NVF0_COMPUTE environment variable, compute support is
> initialized by default and this is not what we want for now because
> it might break 3D. Compute will be enabled by default on GK110+ once
> we are sure that it won't break anything else.
>
> Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
> ---
>  src/gallium/drivers/nouveau/nvc0/nvc0_screen.c | 9 +++++++--
>  1 file changed, 7 insertions(+), 2 deletions(-)
>
> diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
> index f9f3c31..e580ab8 100644
> --- a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
> +++ b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
> @@ -197,6 +197,8 @@ nvc0_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
>     case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
>        return (class_3d >= NVE4_3D_CLASS) ? 1 : 0;
>     case PIPE_CAP_COMPUTE:
> +      if (debug_get_bool_option("NVF0_COMPUTE", false))
> +         return 1;
>        return (class_3d <= NVE4_3D_CLASS) ? 1 : 0;
>     case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
>        return nouveau_screen(pscreen)->vram_domain & NOUVEAU_BO_VRAM ? 1 : 0;
> @@ -263,8 +265,9 @@ nvc0_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
>           return 0;
>        break;
>     case PIPE_SHADER_COMPUTE:
> -      if (class_3d > NVE4_3D_CLASS)
> -         return 0;
> +      if (!debug_get_bool_option("NVF0_COMPUTE", false))
> +         if (class_3d > NVE4_3D_CLASS)
> +            return 0;
>        break;
>     default:
>        return 0;
> @@ -601,6 +604,8 @@ nvc0_screen_init_compute(struct nvc0_screen *screen)
>     case 0xf0:
>     case 0x100:
>     case 0x110:
> +      if (debug_get_bool_option("NVF0_COMPUTE", false))
> +         return nve4_screen_compute_setup(screen, screen->base.pushbuf);
>        return 0;
>     default:
>        return -1;
> --
> 2.6.4
>
> _______________________________________________
> mesa-dev mailing list
> mesa-dev at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/mesa-dev