drm/via: fixed coding style issues, simplified return
Fixed brace, macro and spacing coding style issues. Simplified -if (ret) return ret; -return 0; +return ret; Signed-off-by: Nicolas Kaiser <nikai@nikai.net> Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Родитель
5649911316
Коммит
58c1e85af3
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@ -58,28 +58,29 @@
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*((uint32_t *)(vb)) = ((nReg) >> 2) | HALCYON_HEADER1; \
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*((uint32_t *)(vb) + 1) = (nData); \
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vb = ((uint32_t *)vb) + 2; \
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dev_priv->dma_low +=8; \
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dev_priv->dma_low += 8; \
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}
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#define via_flush_write_combine() DRM_MEMORYBARRIER()
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#define VIA_OUT_RING_QW(w1,w2) \
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#define VIA_OUT_RING_QW(w1, w2) do { \
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*vb++ = (w1); \
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*vb++ = (w2); \
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dev_priv->dma_low += 8;
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dev_priv->dma_low += 8; \
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} while (0)
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static void via_cmdbuf_start(drm_via_private_t * dev_priv);
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static void via_cmdbuf_pause(drm_via_private_t * dev_priv);
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static void via_cmdbuf_reset(drm_via_private_t * dev_priv);
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static void via_cmdbuf_rewind(drm_via_private_t * dev_priv);
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static int via_wait_idle(drm_via_private_t * dev_priv);
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static void via_pad_cache(drm_via_private_t * dev_priv, int qwords);
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static void via_cmdbuf_start(drm_via_private_t *dev_priv);
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static void via_cmdbuf_pause(drm_via_private_t *dev_priv);
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static void via_cmdbuf_reset(drm_via_private_t *dev_priv);
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static void via_cmdbuf_rewind(drm_via_private_t *dev_priv);
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static int via_wait_idle(drm_via_private_t *dev_priv);
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static void via_pad_cache(drm_via_private_t *dev_priv, int qwords);
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/*
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* Free space in command buffer.
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*/
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static uint32_t via_cmdbuf_space(drm_via_private_t * dev_priv)
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static uint32_t via_cmdbuf_space(drm_via_private_t *dev_priv)
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{
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uint32_t agp_base = dev_priv->dma_offset + (uint32_t) dev_priv->agpAddr;
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uint32_t hw_addr = *(dev_priv->hw_addr_ptr) - agp_base;
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@ -93,7 +94,7 @@ static uint32_t via_cmdbuf_space(drm_via_private_t * dev_priv)
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* How much does the command regulator lag behind?
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*/
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static uint32_t via_cmdbuf_lag(drm_via_private_t * dev_priv)
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static uint32_t via_cmdbuf_lag(drm_via_private_t *dev_priv)
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{
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uint32_t agp_base = dev_priv->dma_offset + (uint32_t) dev_priv->agpAddr;
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uint32_t hw_addr = *(dev_priv->hw_addr_ptr) - agp_base;
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@ -108,7 +109,7 @@ static uint32_t via_cmdbuf_lag(drm_via_private_t * dev_priv)
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*/
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static inline int
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via_cmdbuf_wait(drm_via_private_t * dev_priv, unsigned int size)
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via_cmdbuf_wait(drm_via_private_t *dev_priv, unsigned int size)
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{
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uint32_t agp_base = dev_priv->dma_offset + (uint32_t) dev_priv->agpAddr;
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uint32_t cur_addr, hw_addr, next_addr;
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@ -146,14 +147,13 @@ static inline uint32_t *via_check_dma(drm_via_private_t * dev_priv,
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dev_priv->dma_high) {
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via_cmdbuf_rewind(dev_priv);
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}
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if (via_cmdbuf_wait(dev_priv, size) != 0) {
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if (via_cmdbuf_wait(dev_priv, size) != 0)
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return NULL;
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}
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return (uint32_t *) (dev_priv->dma_ptr + dev_priv->dma_low);
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}
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int via_dma_cleanup(struct drm_device * dev)
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int via_dma_cleanup(struct drm_device *dev)
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{
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if (dev->dev_private) {
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drm_via_private_t *dev_priv =
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@ -171,9 +171,9 @@ int via_dma_cleanup(struct drm_device * dev)
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return 0;
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}
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static int via_initialize(struct drm_device * dev,
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drm_via_private_t * dev_priv,
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drm_via_dma_init_t * init)
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static int via_initialize(struct drm_device *dev,
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drm_via_private_t *dev_priv,
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drm_via_dma_init_t *init)
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{
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if (!dev_priv || !dev_priv->mmio) {
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DRM_ERROR("via_dma_init called before via_map_init\n");
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@ -258,7 +258,7 @@ static int via_dma_init(struct drm_device *dev, void *data, struct drm_file *fil
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return retcode;
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}
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static int via_dispatch_cmdbuffer(struct drm_device * dev, drm_via_cmdbuffer_t * cmd)
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static int via_dispatch_cmdbuffer(struct drm_device *dev, drm_via_cmdbuffer_t *cmd)
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{
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drm_via_private_t *dev_priv;
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uint32_t *vb;
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@ -271,9 +271,8 @@ static int via_dispatch_cmdbuffer(struct drm_device * dev, drm_via_cmdbuffer_t *
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return -EFAULT;
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}
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if (cmd->size > VIA_PCI_BUF_SIZE) {
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if (cmd->size > VIA_PCI_BUF_SIZE)
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return -ENOMEM;
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}
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if (DRM_COPY_FROM_USER(dev_priv->pci_buf, cmd->buf, cmd->size))
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return -EFAULT;
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@ -291,9 +290,8 @@ static int via_dispatch_cmdbuffer(struct drm_device * dev, drm_via_cmdbuffer_t *
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}
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vb = via_check_dma(dev_priv, (cmd->size < 0x100) ? 0x102 : cmd->size);
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if (vb == NULL) {
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if (vb == NULL)
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return -EAGAIN;
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}
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memcpy(vb, dev_priv->pci_buf, cmd->size);
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@ -311,13 +309,12 @@ static int via_dispatch_cmdbuffer(struct drm_device * dev, drm_via_cmdbuffer_t *
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return 0;
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}
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int via_driver_dma_quiescent(struct drm_device * dev)
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int via_driver_dma_quiescent(struct drm_device *dev)
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{
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drm_via_private_t *dev_priv = dev->dev_private;
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if (!via_wait_idle(dev_priv)) {
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if (!via_wait_idle(dev_priv))
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return -EBUSY;
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}
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return 0;
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}
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@ -339,22 +336,17 @@ static int via_cmdbuffer(struct drm_device *dev, void *data, struct drm_file *fi
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DRM_DEBUG("buf %p size %lu\n", cmdbuf->buf, cmdbuf->size);
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ret = via_dispatch_cmdbuffer(dev, cmdbuf);
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if (ret) {
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return ret;
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}
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return 0;
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return ret;
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}
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static int via_dispatch_pci_cmdbuffer(struct drm_device * dev,
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drm_via_cmdbuffer_t * cmd)
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static int via_dispatch_pci_cmdbuffer(struct drm_device *dev,
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drm_via_cmdbuffer_t *cmd)
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{
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drm_via_private_t *dev_priv = dev->dev_private;
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int ret;
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if (cmd->size > VIA_PCI_BUF_SIZE) {
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if (cmd->size > VIA_PCI_BUF_SIZE)
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return -ENOMEM;
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}
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if (DRM_COPY_FROM_USER(dev_priv->pci_buf, cmd->buf, cmd->size))
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return -EFAULT;
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@ -380,19 +372,14 @@ static int via_pci_cmdbuffer(struct drm_device *dev, void *data, struct drm_file
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DRM_DEBUG("buf %p size %lu\n", cmdbuf->buf, cmdbuf->size);
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ret = via_dispatch_pci_cmdbuffer(dev, cmdbuf);
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if (ret) {
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return ret;
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}
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return 0;
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return ret;
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}
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static inline uint32_t *via_align_buffer(drm_via_private_t * dev_priv,
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static inline uint32_t *via_align_buffer(drm_via_private_t *dev_priv,
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uint32_t * vb, int qw_count)
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{
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for (; qw_count > 0; --qw_count) {
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for (; qw_count > 0; --qw_count)
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VIA_OUT_RING_QW(HC_DUMMY, HC_DUMMY);
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}
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return vb;
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}
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@ -401,7 +388,7 @@ static inline uint32_t *via_align_buffer(drm_via_private_t * dev_priv,
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*
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* Returns virtual pointer to ring buffer.
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*/
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static inline uint32_t *via_get_dma(drm_via_private_t * dev_priv)
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static inline uint32_t *via_get_dma(drm_via_private_t *dev_priv)
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{
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return (uint32_t *) (dev_priv->dma_ptr + dev_priv->dma_low);
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}
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@ -411,18 +398,18 @@ static inline uint32_t *via_get_dma(drm_via_private_t * dev_priv)
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* modifying the pause address stored in the buffer itself. If
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* the regulator has already paused, restart it.
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*/
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static int via_hook_segment(drm_via_private_t * dev_priv,
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static int via_hook_segment(drm_via_private_t *dev_priv,
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uint32_t pause_addr_hi, uint32_t pause_addr_lo,
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int no_pci_fire)
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{
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int paused, count;
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volatile uint32_t *paused_at = dev_priv->last_pause_ptr;
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uint32_t reader,ptr;
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uint32_t reader, ptr;
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uint32_t diff;
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paused = 0;
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via_flush_write_combine();
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(void) *(volatile uint32_t *)(via_get_dma(dev_priv) -1);
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(void) *(volatile uint32_t *)(via_get_dma(dev_priv) - 1);
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*paused_at = pause_addr_lo;
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via_flush_write_combine();
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@ -435,7 +422,7 @@ static int via_hook_segment(drm_via_private_t * dev_priv,
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dev_priv->last_pause_ptr = via_get_dma(dev_priv) - 1;
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/*
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* If there is a possibility that the command reader will
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* If there is a possibility that the command reader will
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* miss the new pause address and pause on the old one,
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* In that case we need to program the new start address
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* using PCI.
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@ -443,9 +430,9 @@ static int via_hook_segment(drm_via_private_t * dev_priv,
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diff = (uint32_t) (ptr - reader) - dev_priv->dma_diff;
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count = 10000000;
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while(diff == 0 && count--) {
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while (diff == 0 && count--) {
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paused = (VIA_READ(0x41c) & 0x80000000);
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if (paused)
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if (paused)
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break;
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reader = *(dev_priv->hw_addr_ptr);
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diff = (uint32_t) (ptr - reader) - dev_priv->dma_diff;
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@ -477,7 +464,7 @@ static int via_hook_segment(drm_via_private_t * dev_priv,
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return paused;
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}
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static int via_wait_idle(drm_via_private_t * dev_priv)
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static int via_wait_idle(drm_via_private_t *dev_priv)
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{
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int count = 10000000;
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@ -491,9 +478,9 @@ static int via_wait_idle(drm_via_private_t * dev_priv)
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return count;
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}
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static uint32_t *via_align_cmd(drm_via_private_t * dev_priv, uint32_t cmd_type,
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uint32_t addr, uint32_t * cmd_addr_hi,
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uint32_t * cmd_addr_lo, int skip_wait)
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static uint32_t *via_align_cmd(drm_via_private_t *dev_priv, uint32_t cmd_type,
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uint32_t addr, uint32_t *cmd_addr_hi,
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uint32_t *cmd_addr_lo, int skip_wait)
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{
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uint32_t agp_base;
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uint32_t cmd_addr, addr_lo, addr_hi;
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@ -521,7 +508,7 @@ static uint32_t *via_align_cmd(drm_via_private_t * dev_priv, uint32_t cmd_type,
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return vb;
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}
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static void via_cmdbuf_start(drm_via_private_t * dev_priv)
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static void via_cmdbuf_start(drm_via_private_t *dev_priv)
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{
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uint32_t pause_addr_lo, pause_addr_hi;
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uint32_t start_addr, start_addr_lo;
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@ -580,7 +567,7 @@ static void via_cmdbuf_start(drm_via_private_t * dev_priv)
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dev_priv->dma_diff = ptr - reader;
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}
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static void via_pad_cache(drm_via_private_t * dev_priv, int qwords)
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static void via_pad_cache(drm_via_private_t *dev_priv, int qwords)
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{
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uint32_t *vb;
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@ -590,7 +577,7 @@ static void via_pad_cache(drm_via_private_t * dev_priv, int qwords)
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via_align_buffer(dev_priv, vb, qwords);
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}
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static inline void via_dummy_bitblt(drm_via_private_t * dev_priv)
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static inline void via_dummy_bitblt(drm_via_private_t *dev_priv)
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{
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uint32_t *vb = via_get_dma(dev_priv);
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SetReg2DAGP(0x0C, (0 | (0 << 16)));
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@ -598,7 +585,7 @@ static inline void via_dummy_bitblt(drm_via_private_t * dev_priv)
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SetReg2DAGP(0x0, 0x1 | 0x2000 | 0xAA000000);
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}
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static void via_cmdbuf_jump(drm_via_private_t * dev_priv)
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static void via_cmdbuf_jump(drm_via_private_t *dev_priv)
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{
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uint32_t agp_base;
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uint32_t pause_addr_lo, pause_addr_hi;
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@ -617,9 +604,8 @@ static void via_cmdbuf_jump(drm_via_private_t * dev_priv)
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*/
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dev_priv->dma_low = 0;
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if (via_cmdbuf_wait(dev_priv, CMDBUF_ALIGNMENT_SIZE) != 0) {
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if (via_cmdbuf_wait(dev_priv, CMDBUF_ALIGNMENT_SIZE) != 0)
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DRM_ERROR("via_cmdbuf_jump failed\n");
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}
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via_dummy_bitblt(dev_priv);
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via_dummy_bitblt(dev_priv);
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@ -657,12 +643,12 @@ static void via_cmdbuf_jump(drm_via_private_t * dev_priv)
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}
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static void via_cmdbuf_rewind(drm_via_private_t * dev_priv)
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static void via_cmdbuf_rewind(drm_via_private_t *dev_priv)
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{
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via_cmdbuf_jump(dev_priv);
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}
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static void via_cmdbuf_flush(drm_via_private_t * dev_priv, uint32_t cmd_type)
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static void via_cmdbuf_flush(drm_via_private_t *dev_priv, uint32_t cmd_type)
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{
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uint32_t pause_addr_lo, pause_addr_hi;
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@ -670,12 +656,12 @@ static void via_cmdbuf_flush(drm_via_private_t * dev_priv, uint32_t cmd_type)
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via_hook_segment(dev_priv, pause_addr_hi, pause_addr_lo, 0);
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}
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static void via_cmdbuf_pause(drm_via_private_t * dev_priv)
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static void via_cmdbuf_pause(drm_via_private_t *dev_priv)
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{
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via_cmdbuf_flush(dev_priv, HC_HAGPBpID_PAUSE);
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}
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static void via_cmdbuf_reset(drm_via_private_t * dev_priv)
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static void via_cmdbuf_reset(drm_via_private_t *dev_priv)
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{
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via_cmdbuf_flush(dev_priv, HC_HAGPBpID_STOP);
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via_wait_idle(dev_priv);
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@ -708,9 +694,8 @@ static int via_cmdbuf_size(struct drm_device *dev, void *data, struct drm_file *
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case VIA_CMDBUF_SPACE:
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while (((tmp_size = via_cmdbuf_space(dev_priv)) < d_siz->size)
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&& --count) {
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if (!d_siz->wait) {
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if (!d_siz->wait)
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break;
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}
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}
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if (!count) {
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DRM_ERROR("VIA_CMDBUF_SPACE timed out.\n");
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@ -720,9 +705,8 @@ static int via_cmdbuf_size(struct drm_device *dev, void *data, struct drm_file *
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case VIA_CMDBUF_LAG:
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while (((tmp_size = via_cmdbuf_lag(dev_priv)) > d_siz->size)
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&& --count) {
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if (!d_siz->wait) {
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if (!d_siz->wait)
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break;
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}
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}
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if (!count) {
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DRM_ERROR("VIA_CMDBUF_LAG timed out.\n");
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|
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@ -70,7 +70,7 @@ via_unmap_blit_from_device(struct pci_dev *pdev, drm_via_sg_info_t *vsg)
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descriptor_this_page;
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dma_addr_t next = vsg->chain_start;
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while(num_desc--) {
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while (num_desc--) {
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if (descriptor_this_page-- == 0) {
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cur_descriptor_page--;
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descriptor_this_page = vsg->descriptors_per_page - 1;
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@ -174,19 +174,19 @@ via_free_sg_info(struct pci_dev *pdev, drm_via_sg_info_t *vsg)
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struct page *page;
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int i;
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switch(vsg->state) {
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switch (vsg->state) {
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case dr_via_device_mapped:
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via_unmap_blit_from_device(pdev, vsg);
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case dr_via_desc_pages_alloc:
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for (i=0; i<vsg->num_desc_pages; ++i) {
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for (i = 0; i < vsg->num_desc_pages; ++i) {
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if (vsg->desc_pages[i] != NULL)
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free_page((unsigned long)vsg->desc_pages[i]);
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free_page((unsigned long)vsg->desc_pages[i]);
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}
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kfree(vsg->desc_pages);
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case dr_via_pages_locked:
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for (i=0; i<vsg->num_pages; ++i) {
|
||||
if ( NULL != (page = vsg->pages[i])) {
|
||||
if (! PageReserved(page) && (DMA_FROM_DEVICE == vsg->direction))
|
||||
for (i = 0; i < vsg->num_pages; ++i) {
|
||||
if (NULL != (page = vsg->pages[i])) {
|
||||
if (!PageReserved(page) && (DMA_FROM_DEVICE == vsg->direction))
|
||||
SetPageDirty(page);
|
||||
page_cache_release(page);
|
||||
}
|
||||
|
@ -232,7 +232,7 @@ via_lock_all_dma_pages(drm_via_sg_info_t *vsg, drm_via_dmablit_t *xfer)
|
|||
{
|
||||
int ret;
|
||||
unsigned long first_pfn = VIA_PFN(xfer->mem_addr);
|
||||
vsg->num_pages = VIA_PFN(xfer->mem_addr + (xfer->num_lines * xfer->mem_stride -1)) -
|
||||
vsg->num_pages = VIA_PFN(xfer->mem_addr + (xfer->num_lines * xfer->mem_stride - 1)) -
|
||||
first_pfn + 1;
|
||||
|
||||
if (NULL == (vsg->pages = vmalloc(sizeof(struct page *) * vsg->num_pages)))
|
||||
|
@ -268,7 +268,7 @@ via_alloc_desc_pages(drm_via_sg_info_t *vsg)
|
|||
{
|
||||
int i;
|
||||
|
||||
vsg->descriptors_per_page = PAGE_SIZE / sizeof( drm_via_descriptor_t);
|
||||
vsg->descriptors_per_page = PAGE_SIZE / sizeof(drm_via_descriptor_t);
|
||||
vsg->num_desc_pages = (vsg->num_desc + vsg->descriptors_per_page - 1) /
|
||||
vsg->descriptors_per_page;
|
||||
|
||||
|
@ -276,7 +276,7 @@ via_alloc_desc_pages(drm_via_sg_info_t *vsg)
|
|||
return -ENOMEM;
|
||||
|
||||
vsg->state = dr_via_desc_pages_alloc;
|
||||
for (i=0; i<vsg->num_desc_pages; ++i) {
|
||||
for (i = 0; i < vsg->num_desc_pages; ++i) {
|
||||
if (NULL == (vsg->desc_pages[i] =
|
||||
(drm_via_descriptor_t *) __get_free_page(GFP_KERNEL)))
|
||||
return -ENOMEM;
|
||||
|
@ -318,21 +318,20 @@ via_dmablit_handler(struct drm_device *dev, int engine, int from_irq)
|
|||
drm_via_blitq_t *blitq = dev_priv->blit_queues + engine;
|
||||
int cur;
|
||||
int done_transfer;
|
||||
unsigned long irqsave=0;
|
||||
unsigned long irqsave = 0;
|
||||
uint32_t status = 0;
|
||||
|
||||
DRM_DEBUG("DMA blit handler called. engine = %d, from_irq = %d, blitq = 0x%lx\n",
|
||||
engine, from_irq, (unsigned long) blitq);
|
||||
|
||||
if (from_irq) {
|
||||
if (from_irq)
|
||||
spin_lock(&blitq->blit_lock);
|
||||
} else {
|
||||
else
|
||||
spin_lock_irqsave(&blitq->blit_lock, irqsave);
|
||||
}
|
||||
|
||||
done_transfer = blitq->is_active &&
|
||||
(( status = VIA_READ(VIA_PCI_DMA_CSR0 + engine*0x04)) & VIA_DMA_CSR_TD);
|
||||
done_transfer = done_transfer || ( blitq->aborting && !(status & VIA_DMA_CSR_DE));
|
||||
((status = VIA_READ(VIA_PCI_DMA_CSR0 + engine*0x04)) & VIA_DMA_CSR_TD);
|
||||
done_transfer = done_transfer || (blitq->aborting && !(status & VIA_DMA_CSR_DE));
|
||||
|
||||
cur = blitq->cur;
|
||||
if (done_transfer) {
|
||||
|
@ -377,18 +376,16 @@ via_dmablit_handler(struct drm_device *dev, int engine, int from_irq)
|
|||
if (!timer_pending(&blitq->poll_timer))
|
||||
mod_timer(&blitq->poll_timer, jiffies + 1);
|
||||
} else {
|
||||
if (timer_pending(&blitq->poll_timer)) {
|
||||
if (timer_pending(&blitq->poll_timer))
|
||||
del_timer(&blitq->poll_timer);
|
||||
}
|
||||
via_dmablit_engine_off(dev, engine);
|
||||
}
|
||||
}
|
||||
|
||||
if (from_irq) {
|
||||
if (from_irq)
|
||||
spin_unlock(&blitq->blit_lock);
|
||||
} else {
|
||||
else
|
||||
spin_unlock_irqrestore(&blitq->blit_lock, irqsave);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
@ -414,10 +411,9 @@ via_dmablit_active(drm_via_blitq_t *blitq, int engine, uint32_t handle, wait_que
|
|||
((blitq->cur_blit_handle - handle) <= (1 << 23));
|
||||
|
||||
if (queue && active) {
|
||||
slot = handle - blitq->done_blit_handle + blitq->cur -1;
|
||||
if (slot >= VIA_NUM_BLIT_SLOTS) {
|
||||
slot = handle - blitq->done_blit_handle + blitq->cur - 1;
|
||||
if (slot >= VIA_NUM_BLIT_SLOTS)
|
||||
slot -= VIA_NUM_BLIT_SLOTS;
|
||||
}
|
||||
*queue = blitq->blit_queue + slot;
|
||||
}
|
||||
|
||||
|
@ -506,12 +502,12 @@ via_dmablit_workqueue(struct work_struct *work)
|
|||
int cur_released;
|
||||
|
||||
|
||||
DRM_DEBUG("Workqueue task called for blit engine %ld\n",(unsigned long)
|
||||
DRM_DEBUG("Workqueue task called for blit engine %ld\n", (unsigned long)
|
||||
(blitq - ((drm_via_private_t *)dev->dev_private)->blit_queues));
|
||||
|
||||
spin_lock_irqsave(&blitq->blit_lock, irqsave);
|
||||
|
||||
while(blitq->serviced != blitq->cur) {
|
||||
while (blitq->serviced != blitq->cur) {
|
||||
|
||||
cur_released = blitq->serviced++;
|
||||
|
||||
|
@ -545,13 +541,13 @@ via_dmablit_workqueue(struct work_struct *work)
|
|||
void
|
||||
via_init_dmablit(struct drm_device *dev)
|
||||
{
|
||||
int i,j;
|
||||
int i, j;
|
||||
drm_via_private_t *dev_priv = (drm_via_private_t *)dev->dev_private;
|
||||
drm_via_blitq_t *blitq;
|
||||
|
||||
pci_set_master(dev->pdev);
|
||||
|
||||
for (i=0; i< VIA_NUM_BLIT_ENGINES; ++i) {
|
||||
for (i = 0; i < VIA_NUM_BLIT_ENGINES; ++i) {
|
||||
blitq = dev_priv->blit_queues + i;
|
||||
blitq->dev = dev;
|
||||
blitq->cur_blit_handle = 0;
|
||||
|
@ -564,9 +560,8 @@ via_init_dmablit(struct drm_device *dev)
|
|||
blitq->is_active = 0;
|
||||
blitq->aborting = 0;
|
||||
spin_lock_init(&blitq->blit_lock);
|
||||
for (j=0; j<VIA_NUM_BLIT_SLOTS; ++j) {
|
||||
for (j = 0; j < VIA_NUM_BLIT_SLOTS; ++j)
|
||||
DRM_INIT_WAITQUEUE(blitq->blit_queue + j);
|
||||
}
|
||||
DRM_INIT_WAITQUEUE(&blitq->busy_queue);
|
||||
INIT_WORK(&blitq->wq, via_dmablit_workqueue);
|
||||
setup_timer(&blitq->poll_timer, via_dmablit_timer,
|
||||
|
@ -685,18 +680,17 @@ via_build_sg_info(struct drm_device *dev, drm_via_sg_info_t *vsg, drm_via_dmabli
|
|||
static int
|
||||
via_dmablit_grab_slot(drm_via_blitq_t *blitq, int engine)
|
||||
{
|
||||
int ret=0;
|
||||
int ret = 0;
|
||||
unsigned long irqsave;
|
||||
|
||||
DRM_DEBUG("Num free is %d\n", blitq->num_free);
|
||||
spin_lock_irqsave(&blitq->blit_lock, irqsave);
|
||||
while(blitq->num_free == 0) {
|
||||
while (blitq->num_free == 0) {
|
||||
spin_unlock_irqrestore(&blitq->blit_lock, irqsave);
|
||||
|
||||
DRM_WAIT_ON(ret, blitq->busy_queue, DRM_HZ, blitq->num_free > 0);
|
||||
if (ret) {
|
||||
if (ret)
|
||||
return (-EINTR == ret) ? -EAGAIN : ret;
|
||||
}
|
||||
|
||||
spin_lock_irqsave(&blitq->blit_lock, irqsave);
|
||||
}
|
||||
|
@ -719,7 +713,7 @@ via_dmablit_release_slot(drm_via_blitq_t *blitq)
|
|||
spin_lock_irqsave(&blitq->blit_lock, irqsave);
|
||||
blitq->num_free++;
|
||||
spin_unlock_irqrestore(&blitq->blit_lock, irqsave);
|
||||
DRM_WAKEUP( &blitq->busy_queue );
|
||||
DRM_WAKEUP(&blitq->busy_queue);
|
||||
}
|
||||
|
||||
/*
|
||||
|
@ -744,9 +738,8 @@ via_dmablit(struct drm_device *dev, drm_via_dmablit_t *xfer)
|
|||
|
||||
engine = (xfer->to_fb) ? 0 : 1;
|
||||
blitq = dev_priv->blit_queues + engine;
|
||||
if (0 != (ret = via_dmablit_grab_slot(blitq, engine))) {
|
||||
if (0 != (ret = via_dmablit_grab_slot(blitq, engine)))
|
||||
return ret;
|
||||
}
|
||||
if (NULL == (vsg = kmalloc(sizeof(*vsg), GFP_KERNEL))) {
|
||||
via_dmablit_release_slot(blitq);
|
||||
return -ENOMEM;
|
||||
|
@ -780,7 +773,7 @@ via_dmablit(struct drm_device *dev, drm_via_dmablit_t *xfer)
|
|||
*/
|
||||
|
||||
int
|
||||
via_dma_blit_sync( struct drm_device *dev, void *data, struct drm_file *file_priv )
|
||||
via_dma_blit_sync(struct drm_device *dev, void *data, struct drm_file *file_priv)
|
||||
{
|
||||
drm_via_blitsync_t *sync = data;
|
||||
int err;
|
||||
|
@ -804,7 +797,7 @@ via_dma_blit_sync( struct drm_device *dev, void *data, struct drm_file *file_pri
|
|||
*/
|
||||
|
||||
int
|
||||
via_dma_blit( struct drm_device *dev, void *data, struct drm_file *file_priv )
|
||||
via_dma_blit(struct drm_device *dev, void *data, struct drm_file *file_priv)
|
||||
{
|
||||
drm_via_dmablit_t *xfer = data;
|
||||
int err;
|
||||
|
|
|
@ -45,12 +45,12 @@ typedef struct _drm_via_sg_info {
|
|||
int num_desc;
|
||||
enum dma_data_direction direction;
|
||||
unsigned char *bounce_buffer;
|
||||
dma_addr_t chain_start;
|
||||
dma_addr_t chain_start;
|
||||
uint32_t free_on_sequence;
|
||||
unsigned int descriptors_per_page;
|
||||
unsigned int descriptors_per_page;
|
||||
int aborted;
|
||||
enum {
|
||||
dr_via_device_mapped,
|
||||
dr_via_device_mapped,
|
||||
dr_via_desc_pages_alloc,
|
||||
dr_via_pages_locked,
|
||||
dr_via_pages_alloc,
|
||||
|
@ -68,7 +68,7 @@ typedef struct _drm_via_blitq {
|
|||
unsigned num_free;
|
||||
unsigned num_outstanding;
|
||||
unsigned long end;
|
||||
int aborting;
|
||||
int aborting;
|
||||
int is_active;
|
||||
drm_via_sg_info_t *blits[VIA_NUM_BLIT_SLOTS];
|
||||
spinlock_t blit_lock;
|
||||
|
|
|
@ -107,9 +107,9 @@ enum via_family {
|
|||
#define VIA_BASE ((dev_priv->mmio))
|
||||
|
||||
#define VIA_READ(reg) DRM_READ32(VIA_BASE, reg)
|
||||
#define VIA_WRITE(reg,val) DRM_WRITE32(VIA_BASE, reg, val)
|
||||
#define VIA_WRITE(reg, val) DRM_WRITE32(VIA_BASE, reg, val)
|
||||
#define VIA_READ8(reg) DRM_READ8(VIA_BASE, reg)
|
||||
#define VIA_WRITE8(reg,val) DRM_WRITE8(VIA_BASE, reg, val)
|
||||
#define VIA_WRITE8(reg, val) DRM_WRITE8(VIA_BASE, reg, val)
|
||||
|
||||
extern struct drm_ioctl_desc via_ioctls[];
|
||||
extern int via_max_ioctl;
|
||||
|
@ -121,28 +121,28 @@ extern int via_agp_init(struct drm_device *dev, void *data, struct drm_file *fil
|
|||
extern int via_map_init(struct drm_device *dev, void *data, struct drm_file *file_priv);
|
||||
extern int via_decoder_futex(struct drm_device *dev, void *data, struct drm_file *file_priv);
|
||||
extern int via_wait_irq(struct drm_device *dev, void *data, struct drm_file *file_priv);
|
||||
extern int via_dma_blit_sync( struct drm_device *dev, void *data, struct drm_file *file_priv );
|
||||
extern int via_dma_blit( struct drm_device *dev, void *data, struct drm_file *file_priv );
|
||||
extern int via_dma_blit_sync(struct drm_device *dev, void *data, struct drm_file *file_priv);
|
||||
extern int via_dma_blit(struct drm_device *dev, void *data, struct drm_file *file_priv);
|
||||
|
||||
extern int via_driver_load(struct drm_device *dev, unsigned long chipset);
|
||||
extern int via_driver_unload(struct drm_device *dev);
|
||||
|
||||
extern int via_init_context(struct drm_device * dev, int context);
|
||||
extern int via_final_context(struct drm_device * dev, int context);
|
||||
extern int via_init_context(struct drm_device *dev, int context);
|
||||
extern int via_final_context(struct drm_device *dev, int context);
|
||||
|
||||
extern int via_do_cleanup_map(struct drm_device * dev);
|
||||
extern int via_do_cleanup_map(struct drm_device *dev);
|
||||
extern u32 via_get_vblank_counter(struct drm_device *dev, int crtc);
|
||||
extern int via_enable_vblank(struct drm_device *dev, int crtc);
|
||||
extern void via_disable_vblank(struct drm_device *dev, int crtc);
|
||||
|
||||
extern irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS);
|
||||
extern void via_driver_irq_preinstall(struct drm_device * dev);
|
||||
extern void via_driver_irq_preinstall(struct drm_device *dev);
|
||||
extern int via_driver_irq_postinstall(struct drm_device *dev);
|
||||
extern void via_driver_irq_uninstall(struct drm_device * dev);
|
||||
extern void via_driver_irq_uninstall(struct drm_device *dev);
|
||||
|
||||
extern int via_dma_cleanup(struct drm_device * dev);
|
||||
extern int via_dma_cleanup(struct drm_device *dev);
|
||||
extern void via_init_command_verifier(void);
|
||||
extern int via_driver_dma_quiescent(struct drm_device * dev);
|
||||
extern int via_driver_dma_quiescent(struct drm_device *dev);
|
||||
extern void via_init_futex(drm_via_private_t *dev_priv);
|
||||
extern void via_cleanup_futex(drm_via_private_t *dev_priv);
|
||||
extern void via_release_futex(drm_via_private_t *dev_priv, int context);
|
||||
|
|
|
@ -141,11 +141,10 @@ irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS)
|
|||
atomic_inc(&cur_irq->irq_received);
|
||||
DRM_WAKEUP(&cur_irq->irq_queue);
|
||||
handled = 1;
|
||||
if (dev_priv->irq_map[drm_via_irq_dma0_td] == i) {
|
||||
if (dev_priv->irq_map[drm_via_irq_dma0_td] == i)
|
||||
via_dmablit_handler(dev, 0, 1);
|
||||
} else if (dev_priv->irq_map[drm_via_irq_dma1_td] == i) {
|
||||
else if (dev_priv->irq_map[drm_via_irq_dma1_td] == i)
|
||||
via_dmablit_handler(dev, 1, 1);
|
||||
}
|
||||
}
|
||||
cur_irq++;
|
||||
}
|
||||
|
@ -160,7 +159,7 @@ irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS)
|
|||
return IRQ_NONE;
|
||||
}
|
||||
|
||||
static __inline__ void viadrv_acknowledge_irqs(drm_via_private_t * dev_priv)
|
||||
static __inline__ void viadrv_acknowledge_irqs(drm_via_private_t *dev_priv)
|
||||
{
|
||||
u32 status;
|
||||
|
||||
|
@ -207,7 +206,7 @@ void via_disable_vblank(struct drm_device *dev, int crtc)
|
|||
}
|
||||
|
||||
static int
|
||||
via_driver_irq_wait(struct drm_device * dev, unsigned int irq, int force_sequence,
|
||||
via_driver_irq_wait(struct drm_device *dev, unsigned int irq, int force_sequence,
|
||||
unsigned int *sequence)
|
||||
{
|
||||
drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
|
||||
|
@ -260,7 +259,7 @@ via_driver_irq_wait(struct drm_device * dev, unsigned int irq, int force_sequenc
|
|||
* drm_dma.h hooks
|
||||
*/
|
||||
|
||||
void via_driver_irq_preinstall(struct drm_device * dev)
|
||||
void via_driver_irq_preinstall(struct drm_device *dev)
|
||||
{
|
||||
drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
|
||||
u32 status;
|
||||
|
@ -329,7 +328,7 @@ int via_driver_irq_postinstall(struct drm_device *dev)
|
|||
return 0;
|
||||
}
|
||||
|
||||
void via_driver_irq_uninstall(struct drm_device * dev)
|
||||
void via_driver_irq_uninstall(struct drm_device *dev)
|
||||
{
|
||||
drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
|
||||
u32 status;
|
||||
|
|
|
@ -25,7 +25,7 @@
|
|||
#include "via_drm.h"
|
||||
#include "via_drv.h"
|
||||
|
||||
static int via_do_init_map(struct drm_device * dev, drm_via_init_t * init)
|
||||
static int via_do_init_map(struct drm_device *dev, drm_via_init_t *init)
|
||||
{
|
||||
drm_via_private_t *dev_priv = dev->dev_private;
|
||||
|
||||
|
@ -68,7 +68,7 @@ static int via_do_init_map(struct drm_device * dev, drm_via_init_t * init)
|
|||
return 0;
|
||||
}
|
||||
|
||||
int via_do_cleanup_map(struct drm_device * dev)
|
||||
int via_do_cleanup_map(struct drm_device *dev)
|
||||
{
|
||||
via_dma_cleanup(dev);
|
||||
|
||||
|
|
|
@ -31,7 +31,7 @@
|
|||
#include "drm_sman.h"
|
||||
|
||||
#define VIA_MM_ALIGN_SHIFT 4
|
||||
#define VIA_MM_ALIGN_MASK ( (1 << VIA_MM_ALIGN_SHIFT) - 1)
|
||||
#define VIA_MM_ALIGN_MASK ((1 << VIA_MM_ALIGN_SHIFT) - 1)
|
||||
|
||||
int via_agp_init(struct drm_device *dev, void *data, struct drm_file *file_priv)
|
||||
{
|
||||
|
@ -172,7 +172,7 @@ int via_mem_free(struct drm_device *dev, void *data, struct drm_file *file_priv)
|
|||
}
|
||||
|
||||
|
||||
void via_reclaim_buffers_locked(struct drm_device * dev,
|
||||
void via_reclaim_buffers_locked(struct drm_device *dev,
|
||||
struct drm_file *file_priv)
|
||||
{
|
||||
drm_via_private_t *dev_priv = dev->dev_private;
|
||||
|
@ -183,9 +183,8 @@ void via_reclaim_buffers_locked(struct drm_device * dev,
|
|||
return;
|
||||
}
|
||||
|
||||
if (dev->driver->dma_quiescent) {
|
||||
if (dev->driver->dma_quiescent)
|
||||
dev->driver->dma_quiescent(dev);
|
||||
}
|
||||
|
||||
drm_sman_owner_cleanup(&dev_priv->sman, (unsigned long)file_priv);
|
||||
mutex_unlock(&dev->struct_mutex);
|
||||
|
|
|
@ -235,7 +235,7 @@ static hazard_t table2[256];
|
|||
static hazard_t table3[256];
|
||||
|
||||
static __inline__ int
|
||||
eat_words(const uint32_t ** buf, const uint32_t * buf_end, unsigned num_words)
|
||||
eat_words(const uint32_t **buf, const uint32_t *buf_end, unsigned num_words)
|
||||
{
|
||||
if ((buf_end - *buf) >= num_words) {
|
||||
*buf += num_words;
|
||||
|
@ -252,7 +252,7 @@ eat_words(const uint32_t ** buf, const uint32_t * buf_end, unsigned num_words)
|
|||
static __inline__ drm_local_map_t *via_drm_lookup_agp_map(drm_via_state_t *seq,
|
||||
unsigned long offset,
|
||||
unsigned long size,
|
||||
struct drm_device * dev)
|
||||
struct drm_device *dev)
|
||||
{
|
||||
struct drm_map_list *r_list;
|
||||
drm_local_map_t *map = seq->map_cache;
|
||||
|
@ -344,7 +344,7 @@ static __inline__ int finish_current_sequence(drm_via_state_t * cur_seq)
|
|||
}
|
||||
|
||||
static __inline__ int
|
||||
investigate_hazard(uint32_t cmd, hazard_t hz, drm_via_state_t * cur_seq)
|
||||
investigate_hazard(uint32_t cmd, hazard_t hz, drm_via_state_t *cur_seq)
|
||||
{
|
||||
register uint32_t tmp, *tmp_addr;
|
||||
|
||||
|
@ -518,7 +518,7 @@ investigate_hazard(uint32_t cmd, hazard_t hz, drm_via_state_t * cur_seq)
|
|||
|
||||
static __inline__ int
|
||||
via_check_prim_list(uint32_t const **buffer, const uint32_t * buf_end,
|
||||
drm_via_state_t * cur_seq)
|
||||
drm_via_state_t *cur_seq)
|
||||
{
|
||||
drm_via_private_t *dev_priv =
|
||||
(drm_via_private_t *) cur_seq->dev->dev_private;
|
||||
|
@ -621,8 +621,8 @@ via_check_prim_list(uint32_t const **buffer, const uint32_t * buf_end,
|
|||
}
|
||||
|
||||
static __inline__ verifier_state_t
|
||||
via_check_header2(uint32_t const **buffer, const uint32_t * buf_end,
|
||||
drm_via_state_t * hc_state)
|
||||
via_check_header2(uint32_t const **buffer, const uint32_t *buf_end,
|
||||
drm_via_state_t *hc_state)
|
||||
{
|
||||
uint32_t cmd;
|
||||
int hz_mode;
|
||||
|
@ -706,16 +706,15 @@ via_check_header2(uint32_t const **buffer, const uint32_t * buf_end,
|
|||
return state_error;
|
||||
}
|
||||
}
|
||||
if (hc_state->unfinished && finish_current_sequence(hc_state)) {
|
||||
if (hc_state->unfinished && finish_current_sequence(hc_state))
|
||||
return state_error;
|
||||
}
|
||||
*buffer = buf;
|
||||
return state_command;
|
||||
}
|
||||
|
||||
static __inline__ verifier_state_t
|
||||
via_parse_header2(drm_via_private_t * dev_priv, uint32_t const **buffer,
|
||||
const uint32_t * buf_end, int *fire_count)
|
||||
via_parse_header2(drm_via_private_t *dev_priv, uint32_t const **buffer,
|
||||
const uint32_t *buf_end, int *fire_count)
|
||||
{
|
||||
uint32_t cmd;
|
||||
const uint32_t *buf = *buffer;
|
||||
|
@ -833,8 +832,8 @@ via_check_header1(uint32_t const **buffer, const uint32_t * buf_end)
|
|||
}
|
||||
|
||||
static __inline__ verifier_state_t
|
||||
via_parse_header1(drm_via_private_t * dev_priv, uint32_t const **buffer,
|
||||
const uint32_t * buf_end)
|
||||
via_parse_header1(drm_via_private_t *dev_priv, uint32_t const **buffer,
|
||||
const uint32_t *buf_end)
|
||||
{
|
||||
register uint32_t cmd;
|
||||
const uint32_t *buf = *buffer;
|
||||
|
@ -851,7 +850,7 @@ via_parse_header1(drm_via_private_t * dev_priv, uint32_t const **buffer,
|
|||
}
|
||||
|
||||
static __inline__ verifier_state_t
|
||||
via_check_vheader5(uint32_t const **buffer, const uint32_t * buf_end)
|
||||
via_check_vheader5(uint32_t const **buffer, const uint32_t *buf_end)
|
||||
{
|
||||
uint32_t data;
|
||||
const uint32_t *buf = *buffer;
|
||||
|
@ -884,8 +883,8 @@ via_check_vheader5(uint32_t const **buffer, const uint32_t * buf_end)
|
|||
}
|
||||
|
||||
static __inline__ verifier_state_t
|
||||
via_parse_vheader5(drm_via_private_t * dev_priv, uint32_t const **buffer,
|
||||
const uint32_t * buf_end)
|
||||
via_parse_vheader5(drm_via_private_t *dev_priv, uint32_t const **buffer,
|
||||
const uint32_t *buf_end)
|
||||
{
|
||||
uint32_t addr, count, i;
|
||||
const uint32_t *buf = *buffer;
|
||||
|
@ -893,9 +892,8 @@ via_parse_vheader5(drm_via_private_t * dev_priv, uint32_t const **buffer,
|
|||
addr = *buf++ & ~VIA_VIDEOMASK;
|
||||
i = count = *buf;
|
||||
buf += 3;
|
||||
while (i--) {
|
||||
while (i--)
|
||||
VIA_WRITE(addr, *buf++);
|
||||
}
|
||||
if (count & 3)
|
||||
buf += 4 - (count & 3);
|
||||
*buffer = buf;
|
||||
|
@ -940,8 +938,8 @@ via_check_vheader6(uint32_t const **buffer, const uint32_t * buf_end)
|
|||
}
|
||||
|
||||
static __inline__ verifier_state_t
|
||||
via_parse_vheader6(drm_via_private_t * dev_priv, uint32_t const **buffer,
|
||||
const uint32_t * buf_end)
|
||||
via_parse_vheader6(drm_via_private_t *dev_priv, uint32_t const **buffer,
|
||||
const uint32_t *buf_end)
|
||||
{
|
||||
|
||||
uint32_t addr, count, i;
|
||||
|
@ -1037,7 +1035,7 @@ via_verify_command_stream(const uint32_t * buf, unsigned int size,
|
|||
}
|
||||
|
||||
int
|
||||
via_parse_command_stream(struct drm_device * dev, const uint32_t * buf,
|
||||
via_parse_command_stream(struct drm_device *dev, const uint32_t *buf,
|
||||
unsigned int size)
|
||||
{
|
||||
|
||||
|
@ -1085,9 +1083,8 @@ via_parse_command_stream(struct drm_device * dev, const uint32_t * buf,
|
|||
return -EINVAL;
|
||||
}
|
||||
}
|
||||
if (state == state_error) {
|
||||
if (state == state_error)
|
||||
return -EINVAL;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
@ -1096,13 +1093,11 @@ setup_hazard_table(hz_init_t init_table[], hazard_t table[], int size)
|
|||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < 256; ++i) {
|
||||
for (i = 0; i < 256; ++i)
|
||||
table[i] = forbidden_command;
|
||||
}
|
||||
|
||||
for (i = 0; i < size; ++i) {
|
||||
for (i = 0; i < size; ++i)
|
||||
table[init_table[i].code] = init_table[i].hz;
|
||||
}
|
||||
}
|
||||
|
||||
void via_init_command_verifier(void)
|
||||
|
|
|
@ -54,8 +54,8 @@ typedef struct {
|
|||
const uint32_t *buf_start;
|
||||
} drm_via_state_t;
|
||||
|
||||
extern int via_verify_command_stream(const uint32_t * buf, unsigned int size,
|
||||
struct drm_device * dev, int agp);
|
||||
extern int via_verify_command_stream(const uint32_t *buf, unsigned int size,
|
||||
struct drm_device *dev, int agp);
|
||||
extern int via_parse_command_stream(struct drm_device *dev, const uint32_t *buf,
|
||||
unsigned int size);
|
||||
|
||||
|
|
|
@ -29,7 +29,7 @@
|
|||
#include "via_drm.h"
|
||||
#include "via_drv.h"
|
||||
|
||||
void via_init_futex(drm_via_private_t * dev_priv)
|
||||
void via_init_futex(drm_via_private_t *dev_priv)
|
||||
{
|
||||
unsigned int i;
|
||||
|
||||
|
@ -41,11 +41,11 @@ void via_init_futex(drm_via_private_t * dev_priv)
|
|||
}
|
||||
}
|
||||
|
||||
void via_cleanup_futex(drm_via_private_t * dev_priv)
|
||||
void via_cleanup_futex(drm_via_private_t *dev_priv)
|
||||
{
|
||||
}
|
||||
|
||||
void via_release_futex(drm_via_private_t * dev_priv, int context)
|
||||
void via_release_futex(drm_via_private_t *dev_priv, int context)
|
||||
{
|
||||
unsigned int i;
|
||||
volatile int *lock;
|
||||
|
|
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