diff options
Diffstat (limited to 'sys/dev/pci')
| -rw-r--r-- | sys/dev/pci/drm/i915/intel_lrc.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sys/dev/pci/drm/i915/intel_lrc.c b/sys/dev/pci/drm/i915/intel_lrc.c index e2dfb7ccf8f..34d71be142b 100644 --- a/sys/dev/pci/drm/i915/intel_lrc.c +++ b/sys/dev/pci/drm/i915/intel_lrc.c @@ -1582,6 +1582,15 @@ static u32 *gen9_init_indirectctx_bb(struct intel_engine_cs *engine, u32 *batch) /* WaFlushCoherentL3CacheLinesAtContextSwitch:skl,bxt,glk */ batch = gen8_emit_flush_coherentl3_wa(engine, batch); + /* WaClearSlmSpaceAtContextSwitch:skl,bxt,kbl,glk,cfl */ + batch = gen8_emit_pipe_control(batch, + PIPE_CONTROL_FLUSH_L3 | + PIPE_CONTROL_GLOBAL_GTT_IVB | + PIPE_CONTROL_CS_STALL | + PIPE_CONTROL_QW_WRITE, + i915_ggtt_offset(engine->scratch) + + 2 * CACHELINE_BYTES); + batch = emit_lri(batch, lri, ARRAY_SIZE(lri)); /* WaClearSlmSpaceAtContextSwitch:kbl */ |