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authorDave Airlie <airlied@redhat.com>2011-02-28 16:11:48 +1000
committerDave Airlie <airlied@redhat.com>2011-03-01 15:00:40 +1000
commit2a19cac8f9abf66c3b7b3b6e741b967570773215 (patch)
tree8710bdadcec48d0825c22768d74fc3de5a08ff43 /drivers/gpu/drm/radeon/evergreen_cs.c
parentaf50621a18418a7a0a71b0b4f60ce74b37967b9e (diff)
drm/r600: parse the set predication command. (v2)
This is required for NV_conditional_render and EXT_transform_feedback. v2: add evergreen support. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/evergreen_cs.c')
-rw-r--r--drivers/gpu/drm/radeon/evergreen_cs.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c
index 345a75a03c9..5c84fca00d3 100644
--- a/drivers/gpu/drm/radeon/evergreen_cs.c
+++ b/drivers/gpu/drm/radeon/evergreen_cs.c
@@ -942,6 +942,37 @@ static int evergreen_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 = evergreen_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_CONTEXT_CONTROL:
if (pkt->count != 1) {
DRM_ERROR("bad CONTEXT_CONTROL\n");