On Mon, Feb 28, 2011 at 1:07 AM, Dave Airlie <airlied@xxxxxxxxx> wrote:
> From: Dave Airlie <airlied@xxxxxxxxxx>
>
> 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@xxxxxxxxxx>
> ---
> 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
>
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