diff options
Diffstat (limited to 'shared-core/via_dma.c')
| -rw-r--r-- | shared-core/via_dma.c | 41 |
1 files changed, 27 insertions, 14 deletions
diff --git a/shared-core/via_dma.c b/shared-core/via_dma.c index 4b894add..ce471a25 100644 --- a/shared-core/via_dma.c +++ b/shared-core/via_dma.c @@ -82,7 +82,7 @@ via_cmdbuf_wait(drm_via_private_t * dev_priv, unsigned int size) uint32_t count; hw_addr_ptr = dev_priv->hw_addr_ptr; cur_addr = dev_priv->dma_low; - next_addr = cur_addr + size; + next_addr = cur_addr + size + 512*1024; count = 1000000; do { hw_addr = *hw_addr_ptr - agp_base; @@ -424,6 +424,7 @@ static int via_hook_segment(drm_via_private_t *dev_priv, int no_pci_fire) { int paused, count; + volatile uint32_t *paused_at = dev_priv->last_pause_ptr; via_flush_write_combine(); while(! *(via_get_dma(dev_priv)-1)); @@ -437,12 +438,13 @@ static int via_hook_segment(drm_via_private_t *dev_priv, while(! *dev_priv->last_pause_ptr); dev_priv->last_pause_ptr = via_get_dma(dev_priv) - 1; + while(! *dev_priv->last_pause_ptr); paused = 0; - count = 3; + count = 20; while (!(paused = (VIA_READ(0x41c) & 0x80000000)) && count--); - if ((count < 1) && (count >= 0)) { + if ((count <= 8) && (count >= 0)) { uint32_t rgtr, ptr; rgtr = *(dev_priv->hw_addr_ptr); ptr = ((char *)dev_priv->last_pause_ptr - dev_priv->dma_ptr) + @@ -457,9 +459,17 @@ static int via_hook_segment(drm_via_private_t *dev_priv, } if (paused && !no_pci_fire) { - 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); + uint32_t rgtr,ptr; + + rgtr = *(dev_priv->hw_addr_ptr); + ptr = ((char *)paused_at - dev_priv->dma_ptr) + + dev_priv->dma_offset + (uint32_t) dev_priv->agpAddr + 4; + + if (rgtr <= ptr && rgtr >= ptr - 0x100) { + 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); + } } return paused; } @@ -498,8 +508,8 @@ static uint32_t *via_align_cmd(drm_via_private_t * dev_priv, uint32_t cmd_type, cmd_addr = (addr) ? addr : agp_base + dev_priv->dma_low - 8 + (qw_pad_count << 3); - addr_lo = ((HC_SubA_HAGPBpL << 24) | cmd_type | - (cmd_addr & 0xffffff)); + addr_lo = ((HC_SubA_HAGPBpL << 24) | (cmd_type & HC_HAGPBpID_MASK) | + (cmd_addr & HC_HAGPBpL_MASK)); addr_hi = ((HC_SubA_HAGPBpH << 24) | (cmd_addr >> 24)); vb = via_align_buffer(dev_priv, vb, qw_pad_count - 1); @@ -582,6 +592,8 @@ static void via_cmdbuf_jump(drm_via_private_t * dev_priv) DRM_ERROR("via_cmdbuf_jump failed\n"); } + via_dummy_bitblt(dev_priv); + via_dummy_bitblt(dev_priv); last_pause_ptr = via_align_cmd(dev_priv, HC_HAGPBpID_PAUSE, 0, &pause_addr_hi, &pause_addr_lo, 0) -1; @@ -663,7 +675,7 @@ via_cmdbuf_size(DRM_IOCTL_ARGS) return DRM_ERR(EFAULT); } - DRM_COPY_FROM_USER_IOCTL(d_siz, (drm_via_cmdbuffer_t *) data, + DRM_COPY_FROM_USER_IOCTL(d_siz, (drm_via_cmdbuf_size_t *) data, sizeof(d_siz)); @@ -671,7 +683,7 @@ via_cmdbuf_size(DRM_IOCTL_ARGS) tmp_size = d_siz.size; switch(d_siz.func) { case VIA_CMDBUF_SPACE: - while (count-- && ((tmp_size = via_cmdbuf_space(dev_priv)) < d_siz.size)) { + while (((tmp_size = via_cmdbuf_space(dev_priv)) < d_siz.size) && count--) { if (!d_siz.wait) { break; } @@ -682,21 +694,22 @@ via_cmdbuf_size(DRM_IOCTL_ARGS) } break; case VIA_CMDBUF_LAG: - while (count-- && ((tmp_size = via_cmdbuf_lag(dev_priv)) > d_siz.size)) { + while (((tmp_size = via_cmdbuf_lag(dev_priv)) > d_siz.size) && count--) { if (!d_siz.wait) { break; } } if (!count) { - DRM_ERROR("VIA_CMDBUF_SPACE timed out.\n"); + DRM_ERROR("VIA_CMDBUF_LAG timed out.\n"); ret = DRM_ERR(EAGAIN); } break; default: - return DRM_ERR(EFAULT); + ret = DRM_ERR(EFAULT); } d_siz.size = tmp_size; - DRM_COPY_TO_USER_IOCTL((drm_via_cmdbuffer_t *) data, d_siz, + + DRM_COPY_TO_USER_IOCTL((drm_via_cmdbuf_size_t *) data, d_siz, sizeof(d_siz)); return ret; } |