From 37643234affb329775d3330eed650dee59d39bad Mon Sep 17 00:00:00 2001 From: Rik Faith Date: Fri, 25 Aug 2000 12:49:18 +0000 Subject: Apply patch from Alan Hourihane to temporarily allow compilation on Alpha (the driver has not been tested on Alpha -- this just makes it compile) --- linux/mga_dma.c | 6 ++++++ linux/mga_state.c | 10 ++++++++++ linux/r128_dma.c | 8 ++++++++ 3 files changed, 24 insertions(+) (limited to 'linux') diff --git a/linux/mga_dma.c b/linux/mga_dma.c index 0df0906e..9ca72296 100644 --- a/linux/mga_dma.c +++ b/linux/mga_dma.c @@ -82,6 +82,7 @@ static void mga_delay(void) return; } +#ifdef __i386__ void mga_flush_write_combine(void) { int xchangeDummy; @@ -92,6 +93,7 @@ void mga_flush_write_combine(void) " movl $0,%%eax ; cpuid ; pop %%edx ; pop %%ecx ; pop %%ebx ;" " pop %%eax" : /* no outputs */ : /* no inputs */ ); } +#endif /* These are two age tags that will never be sent to * the hardware */ @@ -427,7 +429,9 @@ void mga_fire_primary(drm_device_t *dev, drm_mga_prim_buf_t *prim) } } +#ifdef __i386__ mga_flush_write_combine(); +#endif atomic_inc(&dev_priv->pending_bufs); MGA_WRITE(MGAREG_PRIMADDRESS, phys_head | TT_GENERAL); MGA_WRITE(MGAREG_PRIMEND, (phys_head + num_dwords * 4) | use_agp); @@ -824,7 +828,9 @@ static int mga_dma_initialize(drm_device_t *dev, drm_mga_init_t *init) { * the status register will be correct */ +#ifdef __i386__ mga_flush_write_combine(); +#endif MGA_WRITE(MGAREG_PRIMADDRESS, phys_head | TT_GENERAL); MGA_WRITE(MGAREG_PRIMEND, ((phys_head + num_dwords * 4) | diff --git a/linux/mga_state.c b/linux/mga_state.c index 2e808e8c..5a9c7632 100644 --- a/linux/mga_state.c +++ b/linux/mga_state.c @@ -820,7 +820,9 @@ int mga_clear_bufs(struct inode *inode, struct file *filp, mga_dma_dispatch_clear(dev, clear.flags, clear.clear_color, clear.clear_depth); PRIMUPDATE(dev_priv); +#ifdef __i386__ mga_flush_write_combine(); +#endif mga_dma_schedule(dev, 1); return 0; } @@ -850,7 +852,9 @@ int mga_swap_bufs(struct inode *inode, struct file *filp, PRIMUPDATE(dev_priv); set_bit(MGA_BUF_SWAP_PENDING, &dev_priv->current_prim->buffer_status); +#ifdef __i386__ mga_flush_write_combine(); +#endif mga_dma_schedule(dev, 1); return 0; } @@ -898,7 +902,9 @@ int mga_iload(struct inode *inode, struct file *filp, AGEBUF(dev_priv, buf_priv); buf_priv->discard = 1; mga_freelist_put(dev, buf); +#ifdef __i386__ mga_flush_write_combine(); +#endif mga_dma_schedule(dev, 1); return 0; } @@ -946,7 +952,9 @@ int mga_vertex(struct inode *inode, struct file *filp, mga_dma_dispatch_vertex(dev, buf); PRIMUPDATE(dev_priv); +#ifdef __i386__ mga_flush_write_combine(); +#endif mga_dma_schedule(dev, 1); return 0; } @@ -993,7 +1001,9 @@ int mga_indices(struct inode *inode, struct file *filp, mga_dma_dispatch_indices(dev, buf, indices.start, indices.end); PRIMUPDATE(dev_priv); +#ifdef __i386__ mga_flush_write_combine(); +#endif mga_dma_schedule(dev, 1); return 0; } diff --git a/linux/r128_dma.c b/linux/r128_dma.c index 16f79c1f..d4b75bed 100644 --- a/linux/r128_dma.c +++ b/linux/r128_dma.c @@ -68,6 +68,7 @@ int R128_READ_PLL(drm_device_t *dev, int addr) return R128_READ(R128_CLOCK_CNTL_DATA); } +#ifdef __i386__ static void r128_flush_write_combine(void) { int xchangeDummy; @@ -86,6 +87,7 @@ static void r128_flush_write_combine(void) "pop %%ebx ;" "pop %%eax" : /* no outputs */ : /* no inputs */ ); } +#endif static void r128_status(drm_device_t *dev) { @@ -496,8 +498,10 @@ static int r128_submit_packets_ring_secure(drm_device_t *dev, dev_priv->ring_start, write * sizeof(u32)); +#ifdef __i386__ /* Make sure WC cache has been flushed */ r128_flush_write_combine(); +#endif dev_priv->sarea_priv->ring_write = write; R128_WRITE(R128_PM4_BUFFER_DL_WPTR, write); @@ -599,8 +603,10 @@ static int r128_submit_packets_ring(drm_device_t *dev, dev_priv->ring_start, write * sizeof(u32)); +#ifdef __i386__ /* Make sure WC cache has been flushed */ r128_flush_write_combine(); +#endif dev_priv->sarea_priv->ring_write = write; R128_WRITE(R128_PM4_BUFFER_DL_WPTR, write); @@ -766,8 +772,10 @@ static int r128_send_vertbufs(drm_device_t *dev, drm_r128_vertex_t *v) r128_mark_vertbufs_done(dev); } +#ifdef __i386__ /* Make sure WC cache has been flushed (if in PIO mode) */ if (!dev_priv->cce_is_bm_mode) r128_flush_write_combine(); +#endif /* FIXME: Add support for sending vertex buffer to the CCE here instead of in client code. The v->prim holds the primitive -- cgit v1.2.3