From: Dave Airlie <airl...@redhat.com>
This is required for NV_conditional_render and EXT_transform_feedback.
Signed-off-by: Dave Airlie <airl...@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
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