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| author | Thomas Hellstrom <thomas-at-tungstengraphics-dot-com> | 2006-12-20 13:04:21 +0100 |
|---|---|---|
| committer | Thomas Hellstrom <thomas-at-tungstengraphics-dot-com> | 2006-12-20 13:04:21 +0100 |
| commit | 3b47b27558915a3a28591209e324b977e09d7c03 (patch) | |
| tree | f5b81a88978d315a4f2873d18d0dbcb4d8bb86b9 /shared-core/via_dma.c | |
| parent | e5c4a26a29a9af301cb8b0aebbba84e70f995b83 (diff) | |
Some via PCI posting flushes.
Diffstat (limited to 'shared-core/via_dma.c')
| -rw-r--r-- | shared-core/via_dma.c | 4 |
1 files changed, 3 insertions, 1 deletions
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) |