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drm/i915: Add wa_ctx_emit_reg()

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Add a helper for emitting register offsets (for LRI/SRM) into the w/a
batch buffer.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1446672017-24497-21-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
tirimbino
Ville Syrjälä 9 years ago
parent f92a916220
commit 8f40db776a
1 changed files with 6 additions and 4 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 10
      drivers/gpu/drm/i915/intel_lrc.c

10
drivers/gpu/drm/i915/intel_lrc.c
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@ -1118,6 +1118,8 @@ static int intel_logical_ring_workarounds_emit(struct drm_i915_gem_request *req)
batch[__index] = (cmd); \
} while (0)
#define wa_ctx_emit_reg(batch, index, reg) \
wa_ctx_emit((batch), (index), (reg))
/*
* In this WA we need to set GEN8_L3SQCREG4[21:21] and reset it after
@ -1152,12 +1154,12 @@ static inline int gen8_emit_flush_coherentl3_wa(struct intel_engine_cs *ring,
wa_ctx_emit(batch, index, (MI_STORE_REGISTER_MEM_GEN8 |
MI_SRM_LRM_GLOBAL_GTT));
wa_ctx_emit(batch, index, GEN8_L3SQCREG4);
wa_ctx_emit_reg(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_reg(batch, index, GEN8_L3SQCREG4);
wa_ctx_emit(batch, index, l3sqc4_flush);
wa_ctx_emit(batch, index, GFX_OP_PIPE_CONTROL(6));
@ -1170,7 +1172,7 @@ static inline int gen8_emit_flush_coherentl3_wa(struct intel_engine_cs *ring,
wa_ctx_emit(batch, index, (MI_LOAD_REGISTER_MEM_GEN8 |
MI_SRM_LRM_GLOBAL_GTT));
wa_ctx_emit(batch, index, GEN8_L3SQCREG4);
wa_ctx_emit_reg(batch, index, GEN8_L3SQCREG4);
wa_ctx_emit(batch, index, ring->scratch.gtt_offset + 256);
wa_ctx_emit(batch, index, 0);
@ -1341,7 +1343,7 @@ static int gen9_init_perctx_bb(struct intel_engine_cs *ring,
if (IS_SKL_REVID(dev, 0, SKL_REVID_B0) ||
IS_BXT_REVID(dev, 0, BXT_REVID_A1)) {
wa_ctx_emit(batch, index, MI_LOAD_REGISTER_IMM(1));
wa_ctx_emit(batch, index, GEN9_SLICE_COMMON_ECO_CHICKEN0);
wa_ctx_emit_reg(batch, index, GEN9_SLICE_COMMON_ECO_CHICKEN0);
wa_ctx_emit(batch, index,
_MASKED_BIT_ENABLE(DISABLE_PIXEL_MASK_CAMMING));
wa_ctx_emit(batch, index, MI_NOOP);

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