From 3b47b27558915a3a28591209e324b977e09d7c03 Mon Sep 17 00:00:00 2001 From: Thomas Hellstrom Date: Wed, 20 Dec 2006 13:04:21 +0100 Subject: Some via PCI posting flushes. --- shared-core/via_dma.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'shared-core/via_dma.c') diff --git a/shared-core/via_dma.c b/shared-core/via_dma.c index c6e7aa77..90dbb6a2 100644 --- a/shared-core/via_dma.c +++ b/shared-core/via_dma.c @@ -489,6 +489,7 @@ static int via_hook_segment(drm_via_private_t *dev_priv, VIA_WRITE(VIA_REG_TRANSET, (HC_ParaType_PreCR << 16)); VIA_WRITE(VIA_REG_TRANSPACE, pause_addr_hi); VIA_WRITE(VIA_REG_TRANSPACE, pause_addr_lo); + VIA_READ(VIA_REG_TRANSPACE); } } return paused; @@ -572,8 +573,9 @@ static void via_cmdbuf_start(drm_via_private_t * dev_priv) VIA_WRITE(VIA_REG_TRANSPACE, pause_addr_hi); VIA_WRITE(VIA_REG_TRANSPACE, pause_addr_lo); - + DRM_WRITEMEMORYBARRIER(); VIA_WRITE(VIA_REG_TRANSPACE, command | HC_HAGPCMNT_MASK); + VIA_READ(VIA_REG_TRANSPACE); } static void via_pad_cache(drm_via_private_t *dev_priv, int qwords) -- cgit v1.2.3