summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorChris Wilson <chris@chris-wilson.co.uk>2012-04-25 16:04:33 +0100
committerChris Wilson <chris@chris-wilson.co.uk>2012-04-25 16:14:35 +0100
commit860d3859b586939cd52e45b944cb6abd2a2ca71b (patch)
tree3e82208191592a0287518b5851c5dc93a9642b4e
parentc219283460c0f2dfdb823e0cb139d05075c6afce (diff)
sna/gen7: Add CS stall before changing WM binding table
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
-rw-r--r--src/sna/gen7_render.c27
1 files changed, 19 insertions, 8 deletions
diff --git a/src/sna/gen7_render.c b/src/sna/gen7_render.c
index e2741c49..22288732 100644
--- a/src/sna/gen7_render.c
+++ b/src/sna/gen7_render.c
@@ -837,11 +837,11 @@ gen7_emit_wm(struct sna *sna, unsigned int kernel, int nr_surfaces, int nr_input
OUT_BATCH(0); /* kernel 2 */
}
-static void
+static bool
gen7_emit_binding_table(struct sna *sna, uint16_t offset)
{
if (sna->render_state.gen7.surface_table == offset)
- return;
+ return false;
/* Binding table pointers */
assert(is_aligned(4*offset, 32));
@@ -849,6 +849,7 @@ gen7_emit_binding_table(struct sna *sna, uint16_t offset)
OUT_BATCH(offset*4);
sna->render_state.gen7.surface_table = offset;
+ return true;
}
static void
@@ -970,11 +971,7 @@ gen7_emit_state(struct sna *sna,
const struct sna_composite_op *op,
uint16_t wm_binding_table)
{
- if (kgem_bo_is_dirty(op->src.bo) || kgem_bo_is_dirty(op->mask.bo)) {
- gen7_emit_flush(sna);
- kgem_clear_dirty(&sna->kgem);
- kgem_bo_mark_dirty(op->dst.bo);
- }
+ bool need_stall = false;
gen7_emit_cc(sna,
gen7_get_blend(op->op,
@@ -1001,8 +998,22 @@ gen7_emit_state(struct sna *sna,
op->u.gen7.nr_inputs);
gen7_emit_vertex_elements(sna, op);
- gen7_emit_binding_table(sna, wm_binding_table);
+ need_stall |= gen7_emit_binding_table(sna, wm_binding_table);
gen7_emit_drawing_rectangle(sna, op);
+
+ if (kgem_bo_is_dirty(op->src.bo) || kgem_bo_is_dirty(op->mask.bo)) {
+ gen7_emit_flush(sna);
+ kgem_clear_dirty(&sna->kgem);
+ kgem_bo_mark_dirty(op->dst.bo);
+ need_stall = false;
+ }
+ if (need_stall) {
+ OUT_BATCH(GEN7_PIPE_CONTROL | (4 - 2));
+ OUT_BATCH(GEN7_PIPE_CONTROL_CS_STALL |
+ GEN7_PIPE_CONTROL_STALL_AT_SCOREBOARD);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ }
}
static void gen7_magic_ca_pass(struct sna *sna,