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. --- linux-core/via_dmablit.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'linux-core/via_dmablit.c') 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); } /* -- cgit v1.2.3