summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/i915/intel_lrc.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/i915/intel_lrc.c')
-rw-r--r--drivers/gpu/drm/i915/intel_lrc.c79
1 files changed, 40 insertions, 39 deletions
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 4c47a64a974f..971d7b0ae017 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -1065,12 +1065,13 @@ static int intel_logical_ring_workarounds_emit(struct drm_i915_gem_request *req)
return 0;
}
-#define wa_ctx_emit(batch, cmd) \
+#define wa_ctx_emit(batch, index, cmd) \
do { \
- if (WARN_ON(index >= (PAGE_SIZE / sizeof(uint32_t)))) { \
+ int __index = (index)++; \
+ if (WARN_ON(__index >= (PAGE_SIZE / sizeof(uint32_t)))) { \
return -ENOSPC; \
} \
- batch[index++] = (cmd); \
+ batch[__index] = (cmd); \
} while (0)
@@ -1096,29 +1097,29 @@ static inline int gen8_emit_flush_coherentl3_wa(struct intel_engine_cs *ring,
{
uint32_t l3sqc4_flush = (0x40400000 | GEN8_LQSC_FLUSH_COHERENT_LINES);
- wa_ctx_emit(batch, (MI_STORE_REGISTER_MEM_GEN8(1) |
- MI_SRM_LRM_GLOBAL_GTT));
- wa_ctx_emit(batch, GEN8_L3SQCREG4);
- wa_ctx_emit(batch, ring->scratch.gtt_offset + 256);
- wa_ctx_emit(batch, 0);
-
- wa_ctx_emit(batch, MI_LOAD_REGISTER_IMM(1));
- wa_ctx_emit(batch, GEN8_L3SQCREG4);
- wa_ctx_emit(batch, l3sqc4_flush);
-
- wa_ctx_emit(batch, GFX_OP_PIPE_CONTROL(6));
- wa_ctx_emit(batch, (PIPE_CONTROL_CS_STALL |
- PIPE_CONTROL_DC_FLUSH_ENABLE));
- wa_ctx_emit(batch, 0);
- wa_ctx_emit(batch, 0);
- wa_ctx_emit(batch, 0);
- wa_ctx_emit(batch, 0);
-
- wa_ctx_emit(batch, (MI_LOAD_REGISTER_MEM_GEN8(1) |
- MI_SRM_LRM_GLOBAL_GTT));
- wa_ctx_emit(batch, GEN8_L3SQCREG4);
- wa_ctx_emit(batch, ring->scratch.gtt_offset + 256);
- wa_ctx_emit(batch, 0);
+ wa_ctx_emit(batch, index, (MI_STORE_REGISTER_MEM_GEN8(1) |
+ MI_SRM_LRM_GLOBAL_GTT));
+ wa_ctx_emit(batch, index, GEN8_L3SQCREG4);
+ wa_ctx_emit(batch, index, ring->scratch.gtt_offset + 256);
+ wa_ctx_emit(batch, index, 0);
+
+ wa_ctx_emit(batch, index, MI_LOAD_REGISTER_IMM(1));
+ wa_ctx_emit(batch, index, GEN8_L3SQCREG4);
+ wa_ctx_emit(batch, index, l3sqc4_flush);
+
+ wa_ctx_emit(batch, index, GFX_OP_PIPE_CONTROL(6));
+ wa_ctx_emit(batch, index, (PIPE_CONTROL_CS_STALL |
+ PIPE_CONTROL_DC_FLUSH_ENABLE));
+ wa_ctx_emit(batch, index, 0);
+ wa_ctx_emit(batch, index, 0);
+ wa_ctx_emit(batch, index, 0);
+ wa_ctx_emit(batch, index, 0);
+
+ wa_ctx_emit(batch, index, (MI_LOAD_REGISTER_MEM_GEN8(1) |
+ MI_SRM_LRM_GLOBAL_GTT));
+ wa_ctx_emit(batch, index, GEN8_L3SQCREG4);
+ wa_ctx_emit(batch, index, ring->scratch.gtt_offset + 256);
+ wa_ctx_emit(batch, index, 0);
return index;
}
@@ -1179,7 +1180,7 @@ static int gen8_init_indirectctx_bb(struct intel_engine_cs *ring,
uint32_t index = wa_ctx_start(wa_ctx, *offset, CACHELINE_DWORDS);
/* WaDisableCtxRestoreArbitration:bdw,chv */
- wa_ctx_emit(batch, MI_ARB_ON_OFF | MI_ARB_DISABLE);
+ wa_ctx_emit(batch, index, MI_ARB_ON_OFF | MI_ARB_DISABLE);
/* WaFlushCoherentL3CacheLinesAtContextSwitch:bdw */
if (IS_BROADWELL(ring->dev)) {
@@ -1192,19 +1193,19 @@ static int gen8_init_indirectctx_bb(struct intel_engine_cs *ring,
/* Actual scratch location is at 128 bytes offset */
scratch_addr = ring->scratch.gtt_offset + 2*CACHELINE_BYTES;
- wa_ctx_emit(batch, GFX_OP_PIPE_CONTROL(6));
- wa_ctx_emit(batch, (PIPE_CONTROL_FLUSH_L3 |
- PIPE_CONTROL_GLOBAL_GTT_IVB |
- PIPE_CONTROL_CS_STALL |
- PIPE_CONTROL_QW_WRITE));
- wa_ctx_emit(batch, scratch_addr);
- wa_ctx_emit(batch, 0);
- wa_ctx_emit(batch, 0);
- wa_ctx_emit(batch, 0);
+ wa_ctx_emit(batch, index, GFX_OP_PIPE_CONTROL(6));
+ wa_ctx_emit(batch, index, (PIPE_CONTROL_FLUSH_L3 |
+ PIPE_CONTROL_GLOBAL_GTT_IVB |
+ PIPE_CONTROL_CS_STALL |
+ PIPE_CONTROL_QW_WRITE));
+ wa_ctx_emit(batch, index, scratch_addr);
+ wa_ctx_emit(batch, index, 0);
+ wa_ctx_emit(batch, index, 0);
+ wa_ctx_emit(batch, index, 0);
/* Pad to end of cacheline */
while (index % CACHELINE_DWORDS)
- wa_ctx_emit(batch, MI_NOOP);
+ wa_ctx_emit(batch, index, MI_NOOP);
/*
* MI_BATCH_BUFFER_END is not required in Indirect ctx BB because
@@ -1240,9 +1241,9 @@ static int gen8_init_perctx_bb(struct intel_engine_cs *ring,
uint32_t index = wa_ctx_start(wa_ctx, *offset, CACHELINE_DWORDS);
/* WaDisableCtxRestoreArbitration:bdw,chv */
- wa_ctx_emit(batch, MI_ARB_ON_OFF | MI_ARB_ENABLE);
+ wa_ctx_emit(batch, index, MI_ARB_ON_OFF | MI_ARB_ENABLE);
- wa_ctx_emit(batch, MI_BATCH_BUFFER_END);
+ wa_ctx_emit(batch, index, MI_BATCH_BUFFER_END);
return wa_ctx_end(wa_ctx, *offset = index, 1);
}