diff options
| 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 /linux-core/via_dmablit.c | |
| parent | e5c4a26a29a9af301cb8b0aebbba84e70f995b83 (diff) | |
Some via PCI posting flushes.
Diffstat (limited to 'linux-core/via_dmablit.c')
| -rw-r--r-- | linux-core/via_dmablit.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/linux-core/via_dmablit.c b/linux-core/via_dmablit.c index cbb73711..1fb902cb 100644 --- a/linux-core/via_dmablit.c +++ b/linux-core/via_dmablit.c @@ -217,7 +217,9 @@ via_fire_dmablit(drm_device_t *dev, drm_via_sg_info_t *vsg, int engine) VIA_WRITE(VIA_PCI_DMA_MR0 + engine*0x04, VIA_DMA_MR_CM | VIA_DMA_MR_TDIE); VIA_WRITE(VIA_PCI_DMA_BCR0 + engine*0x10, 0); VIA_WRITE(VIA_PCI_DMA_DPR0 + engine*0x10, vsg->chain_start); + DRM_WRITEMEMORYBARRIER(); VIA_WRITE(VIA_PCI_DMA_CSR0 + engine*0x04, VIA_DMA_CSR_DE | VIA_DMA_CSR_TS); + VIA_READ(VIA_PCI_DMA_CSR0 + engine*0x04); } /* |