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@@ -480,6 +480,7 @@ static int via_hook_segment(drm_via_private_t * dev_priv,
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VIA_WRITE(VIA_REG_TRANSET, (HC_ParaType_PreCR << 16));
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VIA_WRITE(VIA_REG_TRANSPACE, pause_addr_hi);
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VIA_WRITE(VIA_REG_TRANSPACE, pause_addr_lo);
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+ VIA_READ(VIA_REG_TRANSPACE);
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}
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}
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return paused;
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@@ -557,8 +558,9 @@ static void via_cmdbuf_start(drm_via_private_t * dev_priv)
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VIA_WRITE(VIA_REG_TRANSPACE, pause_addr_hi);
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VIA_WRITE(VIA_REG_TRANSPACE, pause_addr_lo);
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-
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+ DRM_WRITEMEMORYBARRIER();
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VIA_WRITE(VIA_REG_TRANSPACE, command | HC_HAGPCMNT_MASK);
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+ VIA_READ(VIA_REG_TRANSPACE);
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}
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static void via_pad_cache(drm_via_private_t * dev_priv, int qwords)
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