CI reports that Baytail requires one more invalidate after CACHE_MODE
for it to be happy.
Fixes: ace44e13e577 ("drm/i915/gt: Clear CACHE_MODE prior to clearing residuals")
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>
Cc: Akeem G Abodunrin <akeem.g.abodunrin@xxxxxxxxx>
---
drivers/gpu/drm/i915/gt/gen7_renderclear.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/gen7_renderclear.c b/drivers/gpu/drm/i915/gt/gen7_renderclear.c
index 39478712769f..8551e6de50e8 100644
--- a/drivers/gpu/drm/i915/gt/gen7_renderclear.c
+++ b/drivers/gpu/drm/i915/gt/gen7_renderclear.c
@@ -353,19 +353,21 @@ static void gen7_emit_pipeline_flush(struct batch_chunk *batch)
static void gen7_emit_pipeline_invalidate(struct batch_chunk *batch)
{
- u32 *cs = batch_alloc_items(batch, 0, 8);
+ u32 *cs = batch_alloc_items(batch, 0, 10);
/* ivb: Stall before STATE_CACHE_INVALIDATE */
- *cs++ = GFX_OP_PIPE_CONTROL(4);
+ *cs++ = GFX_OP_PIPE_CONTROL(5);
*cs++ = PIPE_CONTROL_STALL_AT_SCOREBOARD |
PIPE_CONTROL_CS_STALL;
*cs++ = 0;
*cs++ = 0;
+ *cs++ = 0;
- *cs++ = GFX_OP_PIPE_CONTROL(4);
+ *cs++ = GFX_OP_PIPE_CONTROL(5);
*cs++ = PIPE_CONTROL_STATE_CACHE_INVALIDATE;
*cs++ = 0;
*cs++ = 0;
+ *cs++ = 0;
batch_advance(batch, cs);
}
@@ -397,6 +399,7 @@ static void emit_batch(struct i915_vma * const vma,
batch_add(&cmds, 0xffff0000);
batch_add(&cmds, i915_mmio_reg_offset(CACHE_MODE_1));
batch_add(&cmds, 0xffff0000 | PIXEL_SUBSPAN_COLLECT_OPT_DISABLE);
+ gen7_emit_pipeline_invalidate(&cmds);
gen7_emit_pipeline_flush(&cmds);
/* Switch to the media pipeline and our base address */
--
2.20.1
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