[PATCH] drm/i915: Set bb offset to default

[Mika Kuoppala]

Force bb offset to default value.

Signed-off-by: Mika Kuoppala <mika.kuoppala at linux.intel.com>
---
 drivers/gpu/drm/i915/gt/intel_lrc.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
index 93a1b73ad96b..45be843f2fe6 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -3336,11 +3336,22 @@ gen12_emit_cmd_buf_wa(const struct intel_context *ce, u32 *cs)
 	return cs;
 }
 
+static u32 *
+gen12_emit_bb_offset_wa(const struct intel_context *ce, u32 *cs)
+{
+	*cs++ = MI_LOAD_REGISTER_IMM(1);
+	*cs++ = 0x2158;
+	*cs++ = 0x01;
+
+	return cs;
+}
+
 static u32 *
 gen12_emit_indirect_ctx_rcs(const struct intel_context *ce, u32 *cs)
 {
 	cs = gen12_emit_timestamp_wa(ce, cs);
 	cs = gen12_emit_cmd_buf_wa(ce, cs);
+	cs = gen12_emit_bb_offset_wa(ce, cs);
 	cs = gen12_emit_restore_scratch(ce, cs);
 
 	return cs;
-- 
2.17.1