diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2012-04-25 16:04:33 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2012-04-25 16:14:35 +0100 |
| commit | 860d3859b586939cd52e45b944cb6abd2a2ca71b (patch) | |
| tree | 3e82208191592a0287518b5851c5dc93a9642b4e /src | |
| parent | c219283460c0f2dfdb823e0cb139d05075c6afce (diff) | |
sna/gen7: Add CS stall before changing WM binding table
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'src')
| -rw-r--r-- | src/sna/gen7_render.c | 27 |
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, |