[PATCH] drm/r600: parse the set predication command.

[Alex Deucher]

On Mon, Feb 28, 2011 at 1:07 AM, Dave Airlie <airlied at gmail.com> wrote:
> From: Dave Airlie <airlied at redhat.com>
>
> This is required for NV_conditional_render and EXT_transform_feedback.

Need to add this packet to evergreen_cs.c as well.  Otherwise, looks good.

Alex

>
> Signed-off-by: Dave Airlie <airlied at redhat.com>
> ---
>  drivers/gpu/drm/radeon/r600_cs.c |   32 ++++++++++++++++++++++++++++++++
>  1 files changed, 32 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/gpu/drm/radeon/r600_cs.c b/drivers/gpu/drm/radeon/r600_cs.c
> index 00f153d..0a0848f 100644
> --- a/drivers/gpu/drm/radeon/r600_cs.c
> +++ b/drivers/gpu/drm/radeon/r600_cs.c
> @@ -1421,6 +1421,38 @@ static int r600_packet3_check(struct radeon_cs_parser *p,
>        idx_value = radeon_get_ib_value(p, idx);
>
>        switch (pkt->opcode) {
> +       case PACKET3_SET_PREDICATION:
> +       {
> +               int pred_op;
> +               int tmp;
> +               if (pkt->count != 1) {
> +                       DRM_ERROR("bad SET PREDICATION\n");
> +                       return -EINVAL;
> +               }
> +
> +               tmp = radeon_get_ib_value(p, idx + 1);
> +               pred_op = (tmp >> 16) & 0x7;
> +
> +               /* for the clear predicate operation */
> +               if (pred_op == 0)
> +                       return 0;
> +
> +               if (pred_op > 2) {
> +                       DRM_ERROR("bad SET PREDICATION operation %d\n", pred_op);
> +                       return -EINVAL;
> +               }
> +
> +               r = r600_cs_packet_next_reloc(p, &reloc);
> +               if (r) {
> +                       DRM_ERROR("bad SET PREDICATION\n");
> +                       return -EINVAL;
> +               }
> +
> +               ib[idx + 0] = idx_value + (u32)(reloc->lobj.gpu_offset & 0xffffffff);
> +               ib[idx + 1] = tmp + (upper_32_bits(reloc->lobj.gpu_offset) & 0xff);
> +       }
> +       break;
> +
>        case PACKET3_START_3D_CMDBUF:
>                if (p->family >= CHIP_RV770 || pkt->count) {
>                        DRM_ERROR("bad START_3D\n");
> --
> 1.7.3.2
>
> _______________________________________________
> dri-devel mailing list
> dri-devel at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel
>