diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_lrc.c | 50 |
1 files changed, 47 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index d7f66d289970..f1a382c685a5 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -1248,6 +1248,35 @@ static int gen8_init_perctx_bb(struct intel_engine_cs *ring, return wa_ctx_end(wa_ctx, *offset = index, 1); } +static int gen9_init_indirectctx_bb(struct intel_engine_cs *ring, + struct i915_wa_ctx_bb *wa_ctx, + uint32_t *const batch, + uint32_t *offset) +{ + uint32_t index = wa_ctx_start(wa_ctx, *offset, CACHELINE_DWORDS); + + /* FIXME: Replace me with WA */ + wa_ctx_emit(batch, index, MI_NOOP); + + /* Pad to end of cacheline */ + while (index % CACHELINE_DWORDS) + wa_ctx_emit(batch, index, MI_NOOP); + + return wa_ctx_end(wa_ctx, *offset = index, CACHELINE_DWORDS); +} + +static int gen9_init_perctx_bb(struct intel_engine_cs *ring, + struct i915_wa_ctx_bb *wa_ctx, + uint32_t *const batch, + uint32_t *offset) +{ + uint32_t index = wa_ctx_start(wa_ctx, *offset, CACHELINE_DWORDS); + + wa_ctx_emit(batch, index, MI_BATCH_BUFFER_END); + + return wa_ctx_end(wa_ctx, *offset = index, 1); +} + static int lrc_setup_wa_ctx_obj(struct intel_engine_cs *ring, u32 size) { int ret; @@ -1289,10 +1318,11 @@ static int intel_init_workaround_bb(struct intel_engine_cs *ring) WARN_ON(ring->id != RCS); /* update this when WA for higher Gen are added */ - if (WARN(INTEL_INFO(ring->dev)->gen > 8, - "WA batch buffer is not initialized for Gen%d\n", - INTEL_INFO(ring->dev)->gen)) + if (INTEL_INFO(ring->dev)->gen > 9) { + DRM_ERROR("WA batch buffer is not initialized for Gen%d\n", + INTEL_INFO(ring->dev)->gen); return 0; + } /* some WA perform writes to scratch page, ensure it is valid */ if (ring->scratch.obj == NULL) { @@ -1324,6 +1354,20 @@ static int intel_init_workaround_bb(struct intel_engine_cs *ring) &offset); if (ret) goto out; + } else if (INTEL_INFO(ring->dev)->gen == 9) { + ret = gen9_init_indirectctx_bb(ring, + &wa_ctx->indirect_ctx, + batch, + &offset); + if (ret) + goto out; + + ret = gen9_init_perctx_bb(ring, + &wa_ctx->per_ctx, + batch, + &offset); + if (ret) + goto out; } out: |