add page flipping support to the DRM, up version number to 1.3.0...
Dave Airlie
parent
8e7cd92f35
commit
8eaa2d2450
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@ -290,8 +290,10 @@ static int i810_wait_ring(drm_device_t *dev, int n)
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ring->space = ring->head - (ring->tail+8);
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if (ring->space < 0) ring->space += ring->Size;
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if (ring->head != last_head)
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if (ring->head != last_head) {
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end = jiffies + (HZ*3);
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last_head = ring->head;
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}
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iters++;
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if(time_before(end, jiffies)) {
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@ -410,6 +412,7 @@ static int i810_dma_initialize(drm_device_t *dev,
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dev_priv->pitch = init->pitch;
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dev_priv->back_offset = init->back_offset;
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dev_priv->depth_offset = init->depth_offset;
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dev_priv->front_offset = init->front_offset;
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dev_priv->overlay_offset = init->overlay_offset;
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dev_priv->overlay_physical = init->overlay_physical;
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@ -590,6 +593,8 @@ static void i810EmitState( drm_device_t *dev )
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drm_i810_sarea_t *sarea_priv = dev_priv->sarea_priv;
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unsigned int dirty = sarea_priv->dirty;
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DRM_DEBUG("%s %x\n", __FUNCTION__, dirty);
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if (dirty & I810_UPLOAD_BUFFERS) {
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i810EmitDestVerified( dev, sarea_priv->BufferState );
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sarea_priv->dirty &= ~I810_UPLOAD_BUFFERS;
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@ -628,6 +633,14 @@ static void i810_dma_dispatch_clear( drm_device_t *dev, int flags,
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int i;
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RING_LOCALS;
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if ( dev_priv->current_page == 1 ) {
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unsigned int tmp = flags;
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flags &= ~(I810_FRONT | I810_BACK);
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if (tmp & I810_FRONT) flags |= I810_BACK;
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if (tmp & I810_BACK) flags |= I810_FRONT;
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}
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i810_kernel_lost_context(dev);
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if (nbox > I810_NR_SAREA_CLIPRECTS)
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@ -692,10 +705,11 @@ static void i810_dma_dispatch_swap( drm_device_t *dev )
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drm_clip_rect_t *pbox = sarea_priv->boxes;
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int pitch = dev_priv->pitch;
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int cpp = 2;
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int ofs = dev_priv->back_offset;
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int i;
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RING_LOCALS;
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DRM_DEBUG("swapbuffers\n");
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i810_kernel_lost_context(dev);
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if (nbox > I810_NR_SAREA_CLIPRECTS)
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@ -706,7 +720,7 @@ static void i810_dma_dispatch_swap( drm_device_t *dev )
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unsigned int w = pbox->x2 - pbox->x1;
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unsigned int h = pbox->y2 - pbox->y1;
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unsigned int dst = pbox->x1*cpp + pbox->y1*pitch;
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unsigned int start = ofs + dst;
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unsigned int start = dst;
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if (pbox->x1 > pbox->x2 ||
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pbox->y1 > pbox->y2 ||
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@ -718,9 +732,15 @@ static void i810_dma_dispatch_swap( drm_device_t *dev )
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OUT_RING( BR00_BITBLT_CLIENT | BR00_OP_SRC_COPY_BLT | 0x4 );
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OUT_RING( pitch | (0xCC << 16));
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OUT_RING( (h << 16) | (w * cpp));
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OUT_RING( dst );
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if (dev_priv->current_page == 0)
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OUT_RING(dev_priv->front_offset + start);
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else
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OUT_RING(dev_priv->back_offset + start);
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OUT_RING( pitch );
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OUT_RING( start );
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if (dev_priv->current_page == 0)
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OUT_RING(dev_priv->back_offset + start);
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else
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OUT_RING(dev_priv->front_offset + start);
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ADVANCE_LP_RING();
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}
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}
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@ -807,6 +827,52 @@ static void i810_dma_dispatch_vertex(drm_device_t *dev,
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}
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}
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static void i810_dma_dispatch_flip( drm_device_t *dev )
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{
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drm_i810_private_t *dev_priv = dev->dev_private;
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RING_LOCALS;
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int pitch = dev_priv->pitch;
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DRM_DEBUG( "%s: page=%d pfCurrentPage=%d\n",
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__FUNCTION__,
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dev_priv->current_page,
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dev_priv->sarea_priv->pf_current_page);
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i810_kernel_lost_context(dev);
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BEGIN_LP_RING( 2 );
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OUT_RING( INST_PARSER_CLIENT | INST_OP_FLUSH | INST_FLUSH_MAP_CACHE );
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OUT_RING( 0 );
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ADVANCE_LP_RING();
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BEGIN_LP_RING( I810_DEST_SETUP_SIZE + 2 );
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/* On i815 at least ASYNC is buggy */
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/* pitch<<5 is from 11.2.8 p158,
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its the pitch / 8 then left shifted 8,
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so (pitch >> 3) << 8 */
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OUT_RING( CMD_OP_FRONTBUFFER_INFO | (pitch<<5) /*| ASYNC_FLIP */ );
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if ( dev_priv->current_page == 0 ) {
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OUT_RING( dev_priv->back_offset );
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dev_priv->current_page = 1;
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} else {
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OUT_RING( dev_priv->front_offset );
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dev_priv->current_page = 0;
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}
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OUT_RING(0);
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ADVANCE_LP_RING();
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BEGIN_LP_RING(2);
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OUT_RING( CMD_OP_WAIT_FOR_EVENT | WAIT_FOR_PLANE_A_FLIP );
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OUT_RING( 0 );
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ADVANCE_LP_RING();
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/* Increment the frame counter. The client-side 3D driver must
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* throttle the framerate by waiting for this value before
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* performing the swapbuffer ioctl.
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*/
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dev_priv->sarea_priv->pf_current_page = dev_priv->current_page;
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}
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void i810_dma_quiescent(drm_device_t *dev)
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{
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@ -1198,3 +1264,47 @@ int i810_ov0_flip(struct inode *inode, struct file *filp,
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}
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/* Not sure why this isn't set all the time:
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*/
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static void i810_do_init_pageflip( drm_device_t *dev )
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{
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drm_i810_private_t *dev_priv = dev->dev_private;
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DRM_DEBUG("%s\n", __FUNCTION__);
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dev_priv->page_flipping = 1;
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dev_priv->current_page = 0;
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dev_priv->sarea_priv->pf_current_page = dev_priv->current_page;
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}
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int i810_do_cleanup_pageflip( drm_device_t *dev )
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{
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drm_i810_private_t *dev_priv = dev->dev_private;
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DRM_DEBUG("%s\n", __FUNCTION__);
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if (dev_priv->current_page != 0)
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i810_dma_dispatch_flip( dev );
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dev_priv->page_flipping = 0;
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return 0;
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}
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int i810_flip_bufs(struct inode *inode, struct file *filp,
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unsigned int cmd, unsigned long arg)
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{
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drm_file_t *priv = filp->private_data;
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drm_device_t *dev = priv->dev;
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drm_i810_private_t *dev_priv = dev->dev_private;
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DRM_DEBUG("%s\n", __FUNCTION__);
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if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
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DRM_ERROR("i810_flip_buf called without lock held\n");
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return -EINVAL;
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}
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if (!dev_priv->page_flipping)
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i810_do_init_pageflip( dev );
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i810_dma_dispatch_flip( dev );
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return 0;
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}
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@ -166,6 +166,9 @@ typedef struct _drm_i810_sarea {
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int vertex_prim;
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int pf_enabled; /* is pageflipping allowed? */
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int pf_active;
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int pf_current_page; /* which buffer is being displayed? */
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} drm_i810_sarea_t;
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/* WARNING: If you change any of these defines, make sure to change the
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@ -189,6 +192,7 @@ typedef struct _drm_i810_sarea {
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#define DRM_IOCTL_I810_OV0FLIP DRM_IO ( 0x4b)
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#define DRM_IOCTL_I810_MC DRM_IOW( 0x4c, drm_i810_mc_t)
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#define DRM_IOCTL_I810_RSTATUS DRM_IO ( 0x4d )
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#define DRM_IOCTL_I810_FLIP DRM_IO ( 0x4e )
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typedef struct _drm_i810_clear {
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int clear_color;
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@ -75,7 +75,20 @@ typedef struct drm_i810_private {
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int overlay_physical;
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int w, h;
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int pitch;
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int back_pitch;
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int depth_pitch;
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int do_boxes;
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int dma_used;
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int current_page;
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int page_flipping;
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wait_queue_head_t irq_queue;
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atomic_t irq_received;
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atomic_t irq_emitted;
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int front_offset;
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} drm_i810_private_t;
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/* i810_dma.c */
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@ -124,6 +137,8 @@ int i810_swap_bufs(struct inode *inode, struct file *filp,
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int i810_clear_bufs(struct inode *inode, struct file *filp,
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unsigned int cmd, unsigned long arg);
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int i810_flip_bufs(struct inode *inode, struct file *filp,
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unsigned int cmd, unsigned long arg);
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#define I810_BASE(reg) ((unsigned long) \
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dev_priv->mmio_map->handle)
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@ -225,12 +240,15 @@ int i810_clear_bufs(struct inode *inode, struct file *filp,
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#define CMD_OP_Z_BUFFER_INFO ((0x0<<29)|(0x16<<23))
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#define CMD_OP_DESTBUFFER_INFO ((0x0<<29)|(0x15<<23))
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#define CMD_OP_FRONTBUFFER_INFO ((0x0<<29)|(0x14<<23))
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#define CMD_OP_WAIT_FOR_EVENT ((0x0<<29)|(0x03<<23))
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#define BR00_BITBLT_CLIENT 0x40000000
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#define BR00_OP_COLOR_BLT 0x10000000
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#define BR00_OP_SRC_COPY_BLT 0x10C00000
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#define BR13_SOLID_PATTERN 0x80000000
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#define WAIT_FOR_PLANE_A_SCANLINES (1<<1)
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#define WAIT_FOR_PLANE_A_FLIP (1<<2)
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#define WAIT_FOR_VBLANK (1<<3)
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#endif
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10
linux/i810.h
10
linux/i810.h
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@ -45,7 +45,7 @@
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#define DRIVER_NAME "i810"
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#define DRIVER_DESC "Intel i810"
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#define DRIVER_DATE "20020211"
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#define DRIVER_DATE "20030605"
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/* Interface history
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*
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@ -54,10 +54,11 @@
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* - XFree86 4.2
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* 1.2.1 - Disable copying code (leave stub ioctls for backwards compatibility)
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* - Remove requirement for interrupt (leave stubs again)
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* 1.3 - Add page flipping.
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*/
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#define DRIVER_MAJOR 1
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#define DRIVER_MINOR 2
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#define DRIVER_PATCHLEVEL 1
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#define DRIVER_MINOR 3
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#define DRIVER_PATCHLEVEL 0
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#define DRIVER_IOCTLS \
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[DRM_IOCTL_NR(DRM_IOCTL_I810_INIT)] = { i810_dma_init, 1, 1 }, \
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@ -73,7 +74,8 @@
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[DRM_IOCTL_NR(DRM_IOCTL_I810_FSTATUS)] = { i810_fstatus, 1, 0 }, \
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[DRM_IOCTL_NR(DRM_IOCTL_I810_OV0FLIP)] = { i810_ov0_flip, 1, 0 }, \
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[DRM_IOCTL_NR(DRM_IOCTL_I810_MC)] = { i810_dma_mc, 1, 1 }, \
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[DRM_IOCTL_NR(DRM_IOCTL_I810_RSTATUS)] = { i810_rstatus, 1, 0 }
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[DRM_IOCTL_NR(DRM_IOCTL_I810_RSTATUS)] = { i810_rstatus, 1, 0 }, \
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[DRM_IOCTL_NR(DRM_IOCTL_I810_FLIP)] = { i810_flip_bufs, 1, 0 }
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#define __HAVE_COUNTERS 4
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120
linux/i810_dma.c
120
linux/i810_dma.c
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@ -290,8 +290,10 @@ static int i810_wait_ring(drm_device_t *dev, int n)
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ring->space = ring->head - (ring->tail+8);
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if (ring->space < 0) ring->space += ring->Size;
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if (ring->head != last_head)
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if (ring->head != last_head) {
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end = jiffies + (HZ*3);
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last_head = ring->head;
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}
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iters++;
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if(time_before(end, jiffies)) {
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@ -410,6 +412,7 @@ static int i810_dma_initialize(drm_device_t *dev,
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dev_priv->pitch = init->pitch;
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dev_priv->back_offset = init->back_offset;
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dev_priv->depth_offset = init->depth_offset;
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dev_priv->front_offset = init->front_offset;
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dev_priv->overlay_offset = init->overlay_offset;
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dev_priv->overlay_physical = init->overlay_physical;
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@ -590,6 +593,8 @@ static void i810EmitState( drm_device_t *dev )
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drm_i810_sarea_t *sarea_priv = dev_priv->sarea_priv;
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unsigned int dirty = sarea_priv->dirty;
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DRM_DEBUG("%s %x\n", __FUNCTION__, dirty);
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if (dirty & I810_UPLOAD_BUFFERS) {
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i810EmitDestVerified( dev, sarea_priv->BufferState );
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sarea_priv->dirty &= ~I810_UPLOAD_BUFFERS;
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@ -628,6 +633,14 @@ static void i810_dma_dispatch_clear( drm_device_t *dev, int flags,
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int i;
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RING_LOCALS;
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if ( dev_priv->current_page == 1 ) {
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unsigned int tmp = flags;
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flags &= ~(I810_FRONT | I810_BACK);
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if (tmp & I810_FRONT) flags |= I810_BACK;
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if (tmp & I810_BACK) flags |= I810_FRONT;
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}
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i810_kernel_lost_context(dev);
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if (nbox > I810_NR_SAREA_CLIPRECTS)
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@ -692,10 +705,11 @@ static void i810_dma_dispatch_swap( drm_device_t *dev )
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drm_clip_rect_t *pbox = sarea_priv->boxes;
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int pitch = dev_priv->pitch;
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int cpp = 2;
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int ofs = dev_priv->back_offset;
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int i;
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RING_LOCALS;
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DRM_DEBUG("swapbuffers\n");
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i810_kernel_lost_context(dev);
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if (nbox > I810_NR_SAREA_CLIPRECTS)
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@ -706,7 +720,7 @@ static void i810_dma_dispatch_swap( drm_device_t *dev )
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unsigned int w = pbox->x2 - pbox->x1;
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unsigned int h = pbox->y2 - pbox->y1;
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unsigned int dst = pbox->x1*cpp + pbox->y1*pitch;
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unsigned int start = ofs + dst;
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unsigned int start = dst;
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if (pbox->x1 > pbox->x2 ||
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pbox->y1 > pbox->y2 ||
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@ -718,9 +732,15 @@ static void i810_dma_dispatch_swap( drm_device_t *dev )
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OUT_RING( BR00_BITBLT_CLIENT | BR00_OP_SRC_COPY_BLT | 0x4 );
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OUT_RING( pitch | (0xCC << 16));
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OUT_RING( (h << 16) | (w * cpp));
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OUT_RING( dst );
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if (dev_priv->current_page == 0)
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OUT_RING(dev_priv->front_offset + start);
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else
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OUT_RING(dev_priv->back_offset + start);
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OUT_RING( pitch );
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OUT_RING( start );
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if (dev_priv->current_page == 0)
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OUT_RING(dev_priv->back_offset + start);
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else
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OUT_RING(dev_priv->front_offset + start);
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ADVANCE_LP_RING();
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}
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}
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@ -807,6 +827,52 @@ static void i810_dma_dispatch_vertex(drm_device_t *dev,
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}
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}
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static void i810_dma_dispatch_flip( drm_device_t *dev )
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{
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drm_i810_private_t *dev_priv = dev->dev_private;
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RING_LOCALS;
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int pitch = dev_priv->pitch;
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DRM_DEBUG( "%s: page=%d pfCurrentPage=%d\n",
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__FUNCTION__,
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dev_priv->current_page,
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dev_priv->sarea_priv->pf_current_page);
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i810_kernel_lost_context(dev);
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BEGIN_LP_RING( 2 );
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OUT_RING( INST_PARSER_CLIENT | INST_OP_FLUSH | INST_FLUSH_MAP_CACHE );
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OUT_RING( 0 );
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ADVANCE_LP_RING();
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BEGIN_LP_RING( I810_DEST_SETUP_SIZE + 2 );
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/* On i815 at least ASYNC is buggy */
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/* pitch<<5 is from 11.2.8 p158,
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its the pitch / 8 then left shifted 8,
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so (pitch >> 3) << 8 */
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OUT_RING( CMD_OP_FRONTBUFFER_INFO | (pitch<<5) /*| ASYNC_FLIP */ );
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if ( dev_priv->current_page == 0 ) {
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OUT_RING( dev_priv->back_offset );
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dev_priv->current_page = 1;
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} else {
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OUT_RING( dev_priv->front_offset );
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dev_priv->current_page = 0;
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}
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OUT_RING(0);
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ADVANCE_LP_RING();
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BEGIN_LP_RING(2);
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OUT_RING( CMD_OP_WAIT_FOR_EVENT | WAIT_FOR_PLANE_A_FLIP );
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OUT_RING( 0 );
|
||||
ADVANCE_LP_RING();
|
||||
|
||||
/* Increment the frame counter. The client-side 3D driver must
|
||||
* throttle the framerate by waiting for this value before
|
||||
* performing the swapbuffer ioctl.
|
||||
*/
|
||||
dev_priv->sarea_priv->pf_current_page = dev_priv->current_page;
|
||||
|
||||
}
|
||||
|
||||
void i810_dma_quiescent(drm_device_t *dev)
|
||||
{
|
||||
|
|
@ -1198,3 +1264,47 @@ int i810_ov0_flip(struct inode *inode, struct file *filp,
|
|||
}
|
||||
|
||||
|
||||
/* Not sure why this isn't set all the time:
|
||||
*/
|
||||
static void i810_do_init_pageflip( drm_device_t *dev )
|
||||
{
|
||||
drm_i810_private_t *dev_priv = dev->dev_private;
|
||||
|
||||
DRM_DEBUG("%s\n", __FUNCTION__);
|
||||
dev_priv->page_flipping = 1;
|
||||
dev_priv->current_page = 0;
|
||||
dev_priv->sarea_priv->pf_current_page = dev_priv->current_page;
|
||||
}
|
||||
|
||||
int i810_do_cleanup_pageflip( drm_device_t *dev )
|
||||
{
|
||||
drm_i810_private_t *dev_priv = dev->dev_private;
|
||||
|
||||
DRM_DEBUG("%s\n", __FUNCTION__);
|
||||
if (dev_priv->current_page != 0)
|
||||
i810_dma_dispatch_flip( dev );
|
||||
|
||||
dev_priv->page_flipping = 0;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int i810_flip_bufs(struct inode *inode, struct file *filp,
|
||||
unsigned int cmd, unsigned long arg)
|
||||
{
|
||||
drm_file_t *priv = filp->private_data;
|
||||
drm_device_t *dev = priv->dev;
|
||||
drm_i810_private_t *dev_priv = dev->dev_private;
|
||||
|
||||
DRM_DEBUG("%s\n", __FUNCTION__);
|
||||
|
||||
if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
|
||||
DRM_ERROR("i810_flip_buf called without lock held\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
if (!dev_priv->page_flipping)
|
||||
i810_do_init_pageflip( dev );
|
||||
|
||||
i810_dma_dispatch_flip( dev );
|
||||
return 0;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -166,6 +166,9 @@ typedef struct _drm_i810_sarea {
|
|||
|
||||
int vertex_prim;
|
||||
|
||||
int pf_enabled; /* is pageflipping allowed? */
|
||||
int pf_active;
|
||||
int pf_current_page; /* which buffer is being displayed? */
|
||||
} drm_i810_sarea_t;
|
||||
|
||||
/* WARNING: If you change any of these defines, make sure to change the
|
||||
|
|
@ -189,6 +192,7 @@ typedef struct _drm_i810_sarea {
|
|||
#define DRM_IOCTL_I810_OV0FLIP DRM_IO ( 0x4b)
|
||||
#define DRM_IOCTL_I810_MC DRM_IOW( 0x4c, drm_i810_mc_t)
|
||||
#define DRM_IOCTL_I810_RSTATUS DRM_IO ( 0x4d )
|
||||
#define DRM_IOCTL_I810_FLIP DRM_IO ( 0x4e )
|
||||
|
||||
typedef struct _drm_i810_clear {
|
||||
int clear_color;
|
||||
|
|
|
|||
|
|
@ -75,7 +75,20 @@ typedef struct drm_i810_private {
|
|||
int overlay_physical;
|
||||
int w, h;
|
||||
int pitch;
|
||||
int back_pitch;
|
||||
int depth_pitch;
|
||||
|
||||
int do_boxes;
|
||||
int dma_used;
|
||||
|
||||
int current_page;
|
||||
int page_flipping;
|
||||
|
||||
wait_queue_head_t irq_queue;
|
||||
atomic_t irq_received;
|
||||
atomic_t irq_emitted;
|
||||
|
||||
int front_offset;
|
||||
} drm_i810_private_t;
|
||||
|
||||
/* i810_dma.c */
|
||||
|
|
@ -124,6 +137,8 @@ int i810_swap_bufs(struct inode *inode, struct file *filp,
|
|||
int i810_clear_bufs(struct inode *inode, struct file *filp,
|
||||
unsigned int cmd, unsigned long arg);
|
||||
|
||||
int i810_flip_bufs(struct inode *inode, struct file *filp,
|
||||
unsigned int cmd, unsigned long arg);
|
||||
|
||||
#define I810_BASE(reg) ((unsigned long) \
|
||||
dev_priv->mmio_map->handle)
|
||||
|
|
@ -225,12 +240,15 @@ int i810_clear_bufs(struct inode *inode, struct file *filp,
|
|||
#define CMD_OP_Z_BUFFER_INFO ((0x0<<29)|(0x16<<23))
|
||||
#define CMD_OP_DESTBUFFER_INFO ((0x0<<29)|(0x15<<23))
|
||||
#define CMD_OP_FRONTBUFFER_INFO ((0x0<<29)|(0x14<<23))
|
||||
#define CMD_OP_WAIT_FOR_EVENT ((0x0<<29)|(0x03<<23))
|
||||
|
||||
#define BR00_BITBLT_CLIENT 0x40000000
|
||||
#define BR00_OP_COLOR_BLT 0x10000000
|
||||
#define BR00_OP_SRC_COPY_BLT 0x10C00000
|
||||
#define BR13_SOLID_PATTERN 0x80000000
|
||||
|
||||
|
||||
#define WAIT_FOR_PLANE_A_SCANLINES (1<<1)
|
||||
#define WAIT_FOR_PLANE_A_FLIP (1<<2)
|
||||
#define WAIT_FOR_VBLANK (1<<3)
|
||||
|
||||
#endif
|
||||
|
|
|
|||
Loading…
Reference in New Issue