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linux-davinci
Commit 76f62551 authored by Thomas Hellstrom's avatar Thomas Hellstrom Committed by Dave Airlie
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via: some PCI posting flushes 

Signed-off-by: default avatarDave Airlie <airlied@linux.ie>
parent 21d37bbc
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Showing with 5 additions and 1 deletion
drivers/char/drm/via_dma.c
View file @ 76f62551
...@@ -480,6 +480,7 @@ static int via_hook_segment(drm_via_private_t * dev_priv, ...@@ -480,6 +480,7 @@ 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;
...@@ -557,8 +558,9 @@ static void via_cmdbuf_start(drm_via_private_t * dev_priv) ...@@ -557,8 +558,9 @@ 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)
......
drivers/char/drm/via_dmablit.c
View file @ 76f62551
...@@ -218,7 +218,9 @@ via_fire_dmablit(drm_device_t *dev, drm_via_sg_info_t *vsg, int engine) ...@@ -218,7 +218,9 @@ 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);
} }
/* /*
......
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