diff options
Diffstat (limited to 'linux')
| -rw-r--r-- | linux/i810_dma.c | 46 |
1 files changed, 31 insertions, 15 deletions
diff --git a/linux/i810_dma.c b/linux/i810_dma.c index ab5e5514..88e5b9db 100644 --- a/linux/i810_dma.c +++ b/linux/i810_dma.c @@ -62,7 +62,7 @@ static inline void i810_print_status_page(drm_device_t *dev) { drm_device_dma_t *dma = dev->dma; drm_i810_private_t *dev_priv = dev->dev_private; - u32 *temp = dev_priv->hw_status_page; + u32 *temp = (u32 *)dev_priv->hw_status_page; int i; DRM_DEBUG( "hw_status: Interrupt Status : %x\n", temp[0]); @@ -484,12 +484,16 @@ int i810_dma_init(struct inode *inode, struct file *filp, /* Most efficient way to verify state for the i810 is as it is * emitted. Non-conformant state is silently dropped. + * + * Use 'volatile' & local var tmp to force the emitted values to be + * identical to the verified ones. */ static void i810EmitContextVerified( drm_device_t *dev, - unsigned int *code ) + volatile unsigned int *code ) { drm_i810_private_t *dev_priv = dev->dev_private; int i, j = 0; + unsigned int tmp; RING_LOCALS; BEGIN_LP_RING( I810_CTX_SETUP_SIZE ); @@ -501,10 +505,12 @@ static void i810EmitContextVerified( drm_device_t *dev, OUT_RING( code[I810_CTXREG_ST1] ); for ( i = 4 ; i < I810_CTX_SETUP_SIZE ; i++ ) { - if ((code[i] & (7<<29)) == (3<<29) && - (code[i] & (0x1f<<24)) < (0x1d<<24)) + tmp = code[i]; + + if ((tmp & (7<<29)) == (3<<29) && + (tmp & (0x1f<<24)) < (0x1d<<24)) { - OUT_RING( code[i] ); + OUT_RING( tmp ); j++; } else printk("constext state dropped!!!\n"); @@ -521,6 +527,7 @@ static void i810EmitTexVerified( drm_device_t *dev, { drm_i810_private_t *dev_priv = dev->dev_private; int i, j = 0; + unsigned int tmp; RING_LOCALS; BEGIN_LP_RING( I810_TEX_SETUP_SIZE ); @@ -531,11 +538,12 @@ static void i810EmitTexVerified( drm_device_t *dev, OUT_RING( code[I810_TEXREG_MI3] ); for ( i = 4 ; i < I810_TEX_SETUP_SIZE ; i++ ) { + tmp = code[i]; - if ((code[i] & (7<<29)) == (3<<29) && - (code[i] & (0x1f<<24)) < (0x1d<<24)) + if ((tmp & (7<<29)) == (3<<29) && + (tmp & (0x1f<<24)) < (0x1d<<24)) { - OUT_RING( code[i] ); + OUT_RING( tmp ); j++; } else printk("texture state dropped!!!\n"); @@ -563,9 +571,9 @@ static void i810EmitDestVerified( drm_device_t *dev, if (tmp == dev_priv->front_di1 || tmp == dev_priv->back_di1) { OUT_RING( CMD_OP_DESTBUFFER_INFO ); OUT_RING( tmp ); - } - else - printk("buffer state dropped\n"); + } else + DRM_DEBUG("bad di1 %x (allow %x or %x)\n", + tmp, dev_priv->front_di1, dev_priv->back_di1); /* invarient: */ @@ -980,7 +988,7 @@ int i810_dma_vertex(struct inode *inode, struct file *filp, drm_device_t *dev = priv->dev; drm_device_dma_t *dma = dev->dma; drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private; - u32 *hw_status = dev_priv->hw_status_page; + u32 *hw_status = (u32 *)dev_priv->hw_status_page; drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) dev_priv->sarea_priv; drm_i810_vertex_t vertex; @@ -993,6 +1001,9 @@ int i810_dma_vertex(struct inode *inode, struct file *filp, return -EINVAL; } + DRM_DEBUG("i810 dma vertex, idx %d used %d discard %d\n", + vertex.idx, vertex.used, vertex.discard); + if(vertex.idx < 0 || vertex.idx > dma->buf_count) return -EINVAL; i810_dma_dispatch_vertex( dev, @@ -1041,6 +1052,8 @@ int i810_swap_bufs(struct inode *inode, struct file *filp, drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; + DRM_DEBUG("i810_swap_bufs\n"); + if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { DRM_ERROR("i810_swap_buf called without lock held\n"); return -EINVAL; @@ -1056,7 +1069,7 @@ int i810_getage(struct inode *inode, struct file *filp, unsigned int cmd, drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private; - u32 *hw_status = dev_priv->hw_status_page; + u32 *hw_status = (u32 *)dev_priv->hw_status_page; drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) dev_priv->sarea_priv; @@ -1072,7 +1085,7 @@ int i810_getbuf(struct inode *inode, struct file *filp, unsigned int cmd, int retcode = 0; drm_i810_dma_t d; drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private; - u32 *hw_status = dev_priv->hw_status_page; + u32 *hw_status = (u32 *)dev_priv->hw_status_page; drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) dev_priv->sarea_priv; @@ -1088,6 +1101,9 @@ int i810_getbuf(struct inode *inode, struct file *filp, unsigned int cmd, retcode = i810_dma_get_buffer(dev, &d, filp); + DRM_DEBUG("i810_dma: %d returning %d, granted = %d\n", + current->pid, retcode, d.granted); + if (copy_to_user((drm_dma_t *)arg, &d, sizeof(d))) return -EFAULT; sarea_priv->last_dispatch = (int) hw_status[5]; @@ -1181,7 +1197,7 @@ int i810_dma_mc(struct inode *inode, struct file *filp, drm_device_t *dev = priv->dev; drm_device_dma_t *dma = dev->dma; drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private; - u32 *hw_status = dev_priv->hw_status_page; + u32 *hw_status = (u32 *)dev_priv->hw_status_page; drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) dev_priv->sarea_priv; drm_i810_mc_t mc; |