diff options
Diffstat (limited to 'drivers/char/drm/savage_state.c')
-rw-r--r-- | drivers/char/drm/savage_state.c | 102 |
1 files changed, 50 insertions, 52 deletions
diff --git a/drivers/char/drm/savage_state.c b/drivers/char/drm/savage_state.c index 9a72d959084c..bf8e0e10fe21 100644 --- a/drivers/char/drm/savage_state.c +++ b/drivers/char/drm/savage_state.c @@ -953,13 +953,12 @@ static int savage_dispatch_draw(drm_savage_private_t * dev_priv, return 0; } -int savage_bci_cmdbuf(DRM_IOCTL_ARGS) +int savage_bci_cmdbuf(struct drm_device *dev, void *data, struct drm_file *file_priv) { - DRM_DEVICE; drm_savage_private_t *dev_priv = dev->dev_private; struct drm_device_dma *dma = dev->dma; struct drm_buf *dmabuf; - drm_savage_cmdbuf_t cmdbuf; + drm_savage_cmdbuf_t *cmdbuf = data; drm_savage_cmd_header_t *kcmd_addr = NULL; drm_savage_cmd_header_t *first_draw_cmd; unsigned int *kvb_addr = NULL; @@ -971,17 +970,14 @@ int savage_bci_cmdbuf(DRM_IOCTL_ARGS) LOCK_TEST_WITH_RETURN(dev, file_priv); - DRM_COPY_FROM_USER_IOCTL(cmdbuf, (drm_savage_cmdbuf_t __user *) data, - sizeof(cmdbuf)); - if (dma && dma->buflist) { - if (cmdbuf.dma_idx > dma->buf_count) { + if (cmdbuf->dma_idx > dma->buf_count) { DRM_ERROR ("vertex buffer index %u out of range (0-%u)\n", - cmdbuf.dma_idx, dma->buf_count - 1); + cmdbuf->dma_idx, dma->buf_count - 1); return -EINVAL; } - dmabuf = dma->buflist[cmdbuf.dma_idx]; + dmabuf = dma->buflist[cmdbuf->dma_idx]; } else { dmabuf = NULL; } @@ -991,47 +987,47 @@ int savage_bci_cmdbuf(DRM_IOCTL_ARGS) * COPY_FROM_USER_UNCHECKED when done in other drivers, and is correct * for locking on FreeBSD. */ - if (cmdbuf.size) { - kcmd_addr = drm_alloc(cmdbuf.size * 8, DRM_MEM_DRIVER); + if (cmdbuf->size) { + kcmd_addr = drm_alloc(cmdbuf->size * 8, DRM_MEM_DRIVER); if (kcmd_addr == NULL) return -ENOMEM; - if (DRM_COPY_FROM_USER(kcmd_addr, cmdbuf.cmd_addr, - cmdbuf.size * 8)) + if (DRM_COPY_FROM_USER(kcmd_addr, cmdbuf->cmd_addr, + cmdbuf->size * 8)) { - drm_free(kcmd_addr, cmdbuf.size * 8, DRM_MEM_DRIVER); + drm_free(kcmd_addr, cmdbuf->size * 8, DRM_MEM_DRIVER); return -EFAULT; } - cmdbuf.cmd_addr = kcmd_addr; + cmdbuf->cmd_addr = kcmd_addr; } - if (cmdbuf.vb_size) { - kvb_addr = drm_alloc(cmdbuf.vb_size, DRM_MEM_DRIVER); + if (cmdbuf->vb_size) { + kvb_addr = drm_alloc(cmdbuf->vb_size, DRM_MEM_DRIVER); if (kvb_addr == NULL) { ret = -ENOMEM; goto done; } - if (DRM_COPY_FROM_USER(kvb_addr, cmdbuf.vb_addr, - cmdbuf.vb_size)) { + if (DRM_COPY_FROM_USER(kvb_addr, cmdbuf->vb_addr, + cmdbuf->vb_size)) { ret = -EFAULT; goto done; } - cmdbuf.vb_addr = kvb_addr; + cmdbuf->vb_addr = kvb_addr; } - if (cmdbuf.nbox) { - kbox_addr = drm_alloc(cmdbuf.nbox * sizeof(struct drm_clip_rect), + if (cmdbuf->nbox) { + kbox_addr = drm_alloc(cmdbuf->nbox * sizeof(struct drm_clip_rect), DRM_MEM_DRIVER); if (kbox_addr == NULL) { ret = -ENOMEM; goto done; } - if (DRM_COPY_FROM_USER(kbox_addr, cmdbuf.box_addr, - cmdbuf.nbox * sizeof(struct drm_clip_rect))) { + if (DRM_COPY_FROM_USER(kbox_addr, cmdbuf->box_addr, + cmdbuf->nbox * sizeof(struct drm_clip_rect))) { ret = -EFAULT; goto done; } - cmdbuf.box_addr = kbox_addr; + cmdbuf->box_addr = kbox_addr; } /* Make sure writes to DMA buffers are finished before sending @@ -1044,10 +1040,10 @@ int savage_bci_cmdbuf(DRM_IOCTL_ARGS) i = 0; first_draw_cmd = NULL; - while (i < cmdbuf.size) { + while (i < cmdbuf->size) { drm_savage_cmd_header_t cmd_header; - cmd_header = *(drm_savage_cmd_header_t *)cmdbuf.cmd_addr; - cmdbuf.cmd_addr++; + cmd_header = *(drm_savage_cmd_header_t *)cmdbuf->cmd_addr; + cmdbuf->cmd_addr++; i++; /* Group drawing commands with same state to minimize @@ -1057,7 +1053,7 @@ int savage_bci_cmdbuf(DRM_IOCTL_ARGS) case SAVAGE_CMD_DMA_IDX: case SAVAGE_CMD_VB_IDX: j = (cmd_header.idx.count + 3) / 4; - if (i + j > cmdbuf.size) { + if (i + j > cmdbuf->size) { DRM_ERROR("indexed drawing command extends " "beyond end of command buffer\n"); DMA_FLUSH(); @@ -1067,18 +1063,18 @@ int savage_bci_cmdbuf(DRM_IOCTL_ARGS) case SAVAGE_CMD_DMA_PRIM: case SAVAGE_CMD_VB_PRIM: if (!first_draw_cmd) - first_draw_cmd = cmdbuf.cmd_addr - 1; - cmdbuf.cmd_addr += j; + first_draw_cmd = cmdbuf->cmd_addr - 1; + cmdbuf->cmd_addr += j; i += j; break; default: if (first_draw_cmd) { ret = savage_dispatch_draw( dev_priv, first_draw_cmd, - cmdbuf.cmd_addr - 1, - dmabuf, cmdbuf.vb_addr, cmdbuf.vb_size, - cmdbuf.vb_stride, - cmdbuf.nbox, cmdbuf.box_addr); + cmdbuf->cmd_addr - 1, + dmabuf, cmdbuf->vb_addr, cmdbuf->vb_size, + cmdbuf->vb_stride, + cmdbuf->nbox, cmdbuf->box_addr); if (ret != 0) return ret; first_draw_cmd = NULL; @@ -1090,7 +1086,7 @@ int savage_bci_cmdbuf(DRM_IOCTL_ARGS) switch (cmd_header.cmd.cmd) { case SAVAGE_CMD_STATE: j = (cmd_header.state.count + 1) / 2; - if (i + j > cmdbuf.size) { + if (i + j > cmdbuf->size) { DRM_ERROR("command SAVAGE_CMD_STATE extends " "beyond end of command buffer\n"); DMA_FLUSH(); @@ -1098,12 +1094,12 @@ int savage_bci_cmdbuf(DRM_IOCTL_ARGS) goto done; } ret = savage_dispatch_state(dev_priv, &cmd_header, - (const uint32_t *)cmdbuf.cmd_addr); - cmdbuf.cmd_addr += j; + (const uint32_t *)cmdbuf->cmd_addr); + cmdbuf->cmd_addr += j; i += j; break; case SAVAGE_CMD_CLEAR: - if (i + 1 > cmdbuf.size) { + if (i + 1 > cmdbuf->size) { DRM_ERROR("command SAVAGE_CMD_CLEAR extends " "beyond end of command buffer\n"); DMA_FLUSH(); @@ -1111,17 +1107,19 @@ int savage_bci_cmdbuf(DRM_IOCTL_ARGS) goto done; } ret = savage_dispatch_clear(dev_priv, &cmd_header, - cmdbuf.cmd_addr, - cmdbuf.nbox, cmdbuf.box_addr); - cmdbuf.cmd_addr++; + cmdbuf->cmd_addr, + cmdbuf->nbox, + cmdbuf->box_addr); + cmdbuf->cmd_addr++; i++; break; case SAVAGE_CMD_SWAP: - ret = savage_dispatch_swap(dev_priv, cmdbuf.nbox, - cmdbuf.box_addr); + ret = savage_dispatch_swap(dev_priv, cmdbuf->nbox, + cmdbuf->box_addr); break; default: - DRM_ERROR("invalid command 0x%x\n", cmd_header.cmd.cmd); + DRM_ERROR("invalid command 0x%x\n", + cmd_header.cmd.cmd); DMA_FLUSH(); ret = -EINVAL; goto done; @@ -1135,9 +1133,9 @@ int savage_bci_cmdbuf(DRM_IOCTL_ARGS) if (first_draw_cmd) { ret = savage_dispatch_draw ( - dev_priv, first_draw_cmd, cmdbuf.cmd_addr, dmabuf, - cmdbuf.vb_addr, cmdbuf.vb_size, cmdbuf.vb_stride, - cmdbuf.nbox, cmdbuf.box_addr); + dev_priv, first_draw_cmd, cmdbuf->cmd_addr, dmabuf, + cmdbuf->vb_addr, cmdbuf->vb_size, cmdbuf->vb_stride, + cmdbuf->nbox, cmdbuf->box_addr); if (ret != 0) { DMA_FLUSH(); goto done; @@ -1146,7 +1144,7 @@ int savage_bci_cmdbuf(DRM_IOCTL_ARGS) DMA_FLUSH(); - if (dmabuf && cmdbuf.discard) { + if (dmabuf && cmdbuf->discard) { drm_savage_buf_priv_t *buf_priv = dmabuf->dev_private; uint16_t event; event = savage_bci_emit_event(dev_priv, SAVAGE_WAIT_3D); @@ -1156,9 +1154,9 @@ int savage_bci_cmdbuf(DRM_IOCTL_ARGS) done: /* If we didn't need to allocate them, these'll be NULL */ - drm_free(kcmd_addr, cmdbuf.size * 8, DRM_MEM_DRIVER); - drm_free(kvb_addr, cmdbuf.vb_size, DRM_MEM_DRIVER); - drm_free(kbox_addr, cmdbuf.nbox * sizeof(struct drm_clip_rect), + drm_free(kcmd_addr, cmdbuf->size * 8, DRM_MEM_DRIVER); + drm_free(kvb_addr, cmdbuf->vb_size, DRM_MEM_DRIVER); + drm_free(kbox_addr, cmdbuf->nbox * sizeof(struct drm_clip_rect), DRM_MEM_DRIVER); return ret; |