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Some via PCI posting flushes.

main
Thomas Hellstrom 2006-12-20 13:04:21 +01:00
parent e5c4a26a29
commit 3b47b27558
2 changed files with 5 additions and 1 deletions
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2
linux-core/via_dmablit.c
View File

@ -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_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_BCR0 + engine*0x10, 0);
VIA_WRITE(VIA_PCI_DMA_DPR0 + engine*0x10, vsg->chain_start); 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_WRITE(VIA_PCI_DMA_CSR0 + engine*0x04, VIA_DMA_CSR_DE | VIA_DMA_CSR_TS);
VIA_READ(VIA_PCI_DMA_CSR0 + engine*0x04);
} }
/* /*

4
shared-core/via_dma.c
View File

@ -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_TRANSET, (HC_ParaType_PreCR << 16));
VIA_WRITE(VIA_REG_TRANSPACE, pause_addr_hi); VIA_WRITE(VIA_REG_TRANSPACE, pause_addr_hi);
VIA_WRITE(VIA_REG_TRANSPACE, pause_addr_lo); VIA_WRITE(VIA_REG_TRANSPACE, pause_addr_lo);
VIA_READ(VIA_REG_TRANSPACE);
} }
} }
return paused; 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_hi);
VIA_WRITE(VIA_REG_TRANSPACE, pause_addr_lo); VIA_WRITE(VIA_REG_TRANSPACE, pause_addr_lo);
DRM_WRITEMEMORYBARRIER();
VIA_WRITE(VIA_REG_TRANSPACE, command | HC_HAGPCMNT_MASK); 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) static void via_pad_cache(drm_via_private_t *dev_priv, int qwords)