/**
* vmw_stdu_crtc_page_flip - Binds a buffer to a screen target
*
* @crtc: CRTC to attach FB to
* @fb: FB to attach
* @event: Event to be posted. This event should've been alloced
* using k[mz]alloc, and should've been completely initialized.
* @page_flip_flags: Input flags.
*
* If the STDU uses the same display and content buffers, i.e. a true flip,
* this function will replace the existing display buffer with the new content
* buffer.
*
* If the STDU uses different display and content buffers, i.e. a blit, then
* only the content buffer will be updated.
*
* RETURNS:
* 0 on success, error code on failure
*/
static int vmw_stdu_crtc_page_flip(struct drm_crtc *crtc,
struct drm_framebuffer *new_fb,
struct drm_pending_vblank_event *event,
uint32_t flags)
{
struct vmw_private *dev_priv = vmw_priv(crtc->dev);
struct vmw_screen_target_display_unit *stdu;
struct drm_vmw_rect vclips;
struct vmw_framebuffer *vfb = vmw_framebuffer_to_vfb(new_fb);
int ret;
dev_priv = vmw_priv(crtc->dev);
stdu = vmw_crtc_to_stdu(crtc);
if (!stdu->defined || !vmw_kms_crtc_flippable(dev_priv, crtc))
return -EINVAL;
ret = vmw_stdu_bind_fb(dev_priv, crtc, &crtc->mode, new_fb);
if (ret)
return ret;
if (stdu->base.is_implicit)
vmw_kms_update_implicit_fb(dev_priv, crtc);
vclips.x = crtc->x;
vclips.y = crtc->y;
vclips.w = crtc->mode.hdisplay;
vclips.h = crtc->mode.vdisplay;
if (vfb->dmabuf)
ret = vmw_kms_stdu_dma(dev_priv, NULL, vfb, NULL, NULL, &vclips,
1, 1, true, false);
else
ret = vmw_kms_stdu_surface_dirty(dev_priv, vfb, NULL, &vclips,
NULL, 0, 0, 1, 1, NULL);
if (ret)
return ret;
if (event) {
struct vmw_fence_obj *fence = NULL;
struct drm_file *file_priv = event->base.file_priv;
vmw_execbuf_fence_commands(NULL, dev_priv, &fence, NULL);
if (!fence)
return -ENOMEM;
ret = vmw_event_fence_action_queue(file_priv, fence,
&event->base,
&event->event.tv_sec,
&event->event.tv_usec,
true);
vmw_fence_obj_unreference(&fence);
} else {
vmw_fifo_flush(dev_priv, false);
}
return 0;
}
static int vmw_master_set(struct drm_device *dev,
struct drm_file *file_priv,
bool from_open)
{
struct vmw_private *dev_priv = vmw_priv(dev);
struct vmw_fpriv *vmw_fp = vmw_fpriv(file_priv);
struct vmw_master *active = dev_priv->active_master;
struct vmw_master *vmaster = vmw_master(file_priv->master);
int ret = 0;
if (active) {
BUG_ON(active != &dev_priv->fbdev_master);
ret = ttm_vt_lock(&active->lock, false, vmw_fp->tfile);
if (unlikely(ret != 0))
return ret;
ttm_lock_set_kill(&active->lock, true, SIGTERM);
dev_priv->active_master = NULL;
}
ttm_lock_set_kill(&vmaster->lock, false, SIGTERM);
if (!from_open) {
ttm_vt_unlock(&vmaster->lock);
BUG_ON(vmw_fp->locked_master != file_priv->master);
drm_master_put(&vmw_fp->locked_master);
}
dev_priv->active_master = vmaster;
drm_sysfs_hotplug_event(dev);
return 0;
}
static void vmw_master_drop(struct drm_device *dev,
struct drm_file *file_priv)
{
struct vmw_private *dev_priv = vmw_priv(dev);
struct vmw_fpriv *vmw_fp = vmw_fpriv(file_priv);
struct vmw_master *vmaster = vmw_master(file_priv->master);
int ret;
/**
* Make sure the master doesn't disappear while we have
* it locked.
*/
vmw_fp->locked_master = drm_master_get(file_priv->master);
ret = ttm_vt_lock(&vmaster->lock, false, vmw_fp->tfile);
vmw_kms_legacy_hotspot_clear(dev_priv);
if (unlikely((ret != 0))) {
DRM_ERROR("Unable to lock TTM at VT switch.\n");
drm_master_put(&vmw_fp->locked_master);
}
ttm_lock_set_kill(&vmaster->lock, false, SIGTERM);
if (!dev_priv->enable_fb)
vmw_svga_disable(dev_priv);
dev_priv->active_master = &dev_priv->fbdev_master;
ttm_lock_set_kill(&dev_priv->fbdev_master.lock, false, SIGTERM);
ttm_vt_unlock(&dev_priv->fbdev_master.lock);
if (dev_priv->enable_fb)
vmw_fb_on(dev_priv);
}
static int vmw_pm_freeze(struct device *kdev)
{
struct pci_dev *pdev = to_pci_dev(kdev);
struct drm_device *dev = pci_get_drvdata(pdev);
struct vmw_private *dev_priv = vmw_priv(dev);
dev_priv->suspended = true;
if (dev_priv->enable_fb)
vmw_fifo_resource_dec(dev_priv);
if (atomic_read(&dev_priv->num_fifo_resources) != 0) {
DRM_ERROR("Can't hibernate while 3D resources are active.\n");
if (dev_priv->enable_fb)
vmw_fifo_resource_inc(dev_priv);
WARN_ON(vmw_request_device_late(dev_priv));
dev_priv->suspended = false;
return -EBUSY;
}
if (dev_priv->enable_fb)
__vmw_svga_disable(dev_priv);
vmw_release_device_late(dev_priv);
return 0;
}
irqreturn_t vmw_irq_handler(DRM_IRQ_ARGS)
{
struct drm_device *dev = (struct drm_device *)arg;
struct vmw_private *dev_priv = vmw_priv(dev);
uint32_t status, masked_status;
spin_lock(&dev_priv->irq_lock);
status = inl(dev_priv->io_start + VMWGFX_IRQSTATUS_PORT);
masked_status = status & dev_priv->irq_mask;
spin_unlock(&dev_priv->irq_lock);
if (likely(status))
outl(status, dev_priv->io_start + VMWGFX_IRQSTATUS_PORT);
if (!masked_status)
return IRQ_NONE;
if (masked_status & (SVGA_IRQFLAG_ANY_FENCE |
SVGA_IRQFLAG_FENCE_GOAL)) {
vmw_fences_update(dev_priv->fman);
wake_up_all(&dev_priv->fence_queue);
}
if (masked_status & SVGA_IRQFLAG_FIFO_PROGRESS)
wake_up_all(&dev_priv->fifo_queue);
return IRQ_HANDLED;
}
static void vmw_preclose(struct drm_device *dev,
struct drm_file *file_priv)
{
struct vmw_fpriv *vmw_fp = vmw_fpriv(file_priv);
struct vmw_private *dev_priv = vmw_priv(dev);
vmw_event_fence_fpriv_gone(dev_priv->fman, &vmw_fp->fence_events);
}
/**
* vmw_sou_crtc_mode_set_nofb - Create new screen
*
* @crtc: CRTC associated with the new screen
*
* This function creates/destroys a screen. This function cannot fail, so if
* somehow we run into a failure, just do the best we can to get out.
*/
static void vmw_sou_crtc_mode_set_nofb(struct drm_crtc *crtc)
{
struct vmw_private *dev_priv;
struct vmw_screen_object_unit *sou;
struct vmw_framebuffer *vfb;
struct drm_framebuffer *fb;
struct drm_plane_state *ps;
struct vmw_plane_state *vps;
int ret;
sou = vmw_crtc_to_sou(crtc);
dev_priv = vmw_priv(crtc->dev);
ps = crtc->primary->state;
fb = ps->fb;
vps = vmw_plane_state_to_vps(ps);
vfb = (fb) ? vmw_framebuffer_to_vfb(fb) : NULL;
if (sou->defined) {
ret = vmw_sou_fifo_destroy(dev_priv, sou);
if (ret) {
DRM_ERROR("Failed to destroy Screen Object\n");
return;
}
}
if (vfb) {
struct drm_connector_state *conn_state;
struct vmw_connector_state *vmw_conn_state;
int x, y;
sou->buffer = vps->bo;
sou->buffer_size = vps->bo_size;
if (sou->base.is_implicit) {
x = crtc->x;
y = crtc->y;
} else {
conn_state = sou->base.connector.state;
vmw_conn_state = vmw_connector_state_to_vcs(conn_state);
x = vmw_conn_state->gui_x;
y = vmw_conn_state->gui_y;
}
ret = vmw_sou_fifo_create(dev_priv, sou, x, y, &crtc->mode);
if (ret)
DRM_ERROR("Failed to define Screen Object %dx%d\n",
crtc->x, crtc->y);
vmw_kms_add_active(dev_priv, &sou->base, vfb);
} else {
sou->buffer = NULL;
sou->buffer_size = 0;
vmw_kms_del_active(dev_priv, &sou->base);
}
}
/**
* vmw_fops_poll - wrapper around the drm_poll function
*
* @filp: See the linux fops poll documentation.
* @wait: See the linux fops poll documentation.
*
* Wrapper around the drm_poll function that makes sure the device is
* processing the fifo if drm_poll decides to wait.
*/
unsigned int vmw_fops_poll(struct file *filp, struct poll_table_struct *wait)
{
struct drm_file *file_priv = filp->private_data;
struct vmw_private *dev_priv =
vmw_priv(file_priv->minor->dev);
vmw_fifo_ping_host(dev_priv, SVGA_SYNC_GENERIC);
return drm_poll(filp, wait);
}
/**
* vmw_fops_read - wrapper around the drm_read function
*
* @filp: See the linux fops read documentation.
* @buffer: See the linux fops read documentation.
* @count: See the linux fops read documentation.
* offset: See the linux fops read documentation.
*
* Wrapper around the drm_read function that makes sure the device is
* processing the fifo if drm_read decides to wait.
*/
ssize_t vmw_fops_read(struct file *filp, char __user *buffer,
size_t count, loff_t *offset)
{
struct drm_file *file_priv = filp->private_data;
struct vmw_private *dev_priv =
vmw_priv(file_priv->minor->dev);
vmw_fifo_ping_host(dev_priv, SVGA_SYNC_GENERIC);
return drm_read(filp, buffer, count, offset);
}
void vmw_irq_preinstall(struct drm_device *dev)
{
struct vmw_private *dev_priv = vmw_priv(dev);
uint32_t status;
if (!(dev_priv->capabilities & SVGA_CAP_IRQMASK))
return;
spin_lock_init(&dev_priv->irq_lock);
status = inl(dev_priv->io_start + VMWGFX_IRQSTATUS_PORT);
outl(status, dev_priv->io_start + VMWGFX_IRQSTATUS_PORT);
}
/**
* vmw_sou_primary_plane_prepare_fb - allocate backing buffer
*
* @plane: display plane
* @new_state: info on the new plane state, including the FB
*
* The SOU backing buffer is our equivalent of the display plane.
*
* Returns 0 on success
*/
static int
vmw_sou_primary_plane_prepare_fb(struct drm_plane *plane,
struct drm_plane_state *new_state)
{
struct drm_framebuffer *new_fb = new_state->fb;
struct drm_crtc *crtc = plane->state->crtc ?: new_state->crtc;
struct vmw_plane_state *vps = vmw_plane_state_to_vps(new_state);
struct vmw_private *dev_priv;
size_t size;
int ret;
if (!new_fb) {
vmw_dmabuf_unreference(&vps->dmabuf);
vps->dmabuf_size = 0;
return 0;
}
size = new_state->crtc_w * new_state->crtc_h * 4;
if (vps->dmabuf) {
if (vps->dmabuf_size == size)
return 0;
vmw_dmabuf_unreference(&vps->dmabuf);
vps->dmabuf_size = 0;
}
vps->dmabuf = kzalloc(sizeof(*vps->dmabuf), GFP_KERNEL);
if (!vps->dmabuf)
return -ENOMEM;
dev_priv = vmw_priv(crtc->dev);
vmw_svga_enable(dev_priv);
/* After we have alloced the backing store might not be able to
* resume the overlays, this is preferred to failing to alloc.
*/
vmw_overlay_pause_all(dev_priv);
ret = vmw_dmabuf_init(dev_priv, vps->dmabuf, size,
&vmw_vram_ne_placement,
false, &vmw_dmabuf_bo_free);
vmw_overlay_resume_all(dev_priv);
if (ret != 0)
vps->dmabuf = NULL; /* vmw_dmabuf_init frees on error */
else
vps->dmabuf_size = size;
return ret;
}
static int vmw_pci_suspend(struct pci_dev *pdev, pm_message_t state)
{
struct drm_device *dev = pci_get_drvdata(pdev);
struct vmw_private *dev_priv = vmw_priv(dev);
if (dev_priv->refuse_hibernation)
return -EBUSY;
pci_save_state(pdev);
pci_disable_device(pdev);
pci_set_power_state(pdev, PCI_D3hot);
return 0;
}
static int vmw_driver_unload(struct drm_device *dev)
{
struct vmw_private *dev_priv = vmw_priv(dev);
enum vmw_res_type i;
unregister_pm_notifier(&dev_priv->pm_nb);
if (dev_priv->ctx.res_ht_initialized)
drm_ht_remove(&dev_priv->ctx.res_ht);
vfree(dev_priv->ctx.cmd_bounce);
if (dev_priv->enable_fb) {
vmw_fb_off(dev_priv);
vmw_fb_close(dev_priv);
vmw_fifo_resource_dec(dev_priv);
vmw_svga_disable(dev_priv);
}
vmw_kms_close(dev_priv);
vmw_overlay_close(dev_priv);
if (dev_priv->has_gmr)
(void)ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_GMR);
(void)ttm_bo_clean_mm(&dev_priv->bdev, TTM_PL_VRAM);
vmw_release_device_early(dev_priv);
if (dev_priv->has_mob)
(void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_MOB);
(void) ttm_bo_device_release(&dev_priv->bdev);
vmw_release_device_late(dev_priv);
vmw_fence_manager_takedown(dev_priv->fman);
if (dev_priv->capabilities & SVGA_CAP_IRQMASK)
drm_irq_uninstall(dev_priv->dev);
if (dev_priv->stealth)
pci_release_region(dev->pdev, 2);
else
pci_release_regions(dev->pdev);
ttm_object_device_release(&dev_priv->tdev);
iounmap(dev_priv->mmio_virt);
arch_phys_wc_del(dev_priv->mmio_mtrr);
if (dev_priv->ctx.staged_bindings)
vmw_binding_state_free(dev_priv->ctx.staged_bindings);
vmw_ttm_global_release(dev_priv);
for (i = vmw_res_context; i < vmw_res_max; ++i)
idr_destroy(&dev_priv->res_idr[i]);
kfree(dev_priv);
return 0;
}
int vmw_getparam_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct vmw_private *dev_priv = vmw_priv(dev);
struct drm_vmw_getparam_arg *param =
(struct drm_vmw_getparam_arg *)data;
switch (param->param) {
case DRM_VMW_PARAM_NUM_STREAMS:
param->value = vmw_overlay_num_overlays(dev_priv);
break;
case DRM_VMW_PARAM_NUM_FREE_STREAMS:
param->value = vmw_overlay_num_free_overlays(dev_priv);
break;
case DRM_VMW_PARAM_3D:
param->value = vmw_fifo_have_3d(dev_priv) ? 1 : 0;
break;
case DRM_VMW_PARAM_HW_CAPS:
param->value = dev_priv->capabilities;
break;
case DRM_VMW_PARAM_FIFO_CAPS:
param->value = dev_priv->fifo.capabilities;
break;
case DRM_VMW_PARAM_MAX_FB_SIZE:
param->value = dev_priv->vram_size;
break;
case DRM_VMW_PARAM_FIFO_HW_VERSION:
{
__le32 __iomem *fifo_mem = dev_priv->mmio_virt;
const struct vmw_fifo_state *fifo = &dev_priv->fifo;
param->value =
ioread32(fifo_mem +
((fifo->capabilities &
SVGA_FIFO_CAP_3D_HWVERSION_REVISED) ?
SVGA_FIFO_3D_HWVERSION_REVISED :
SVGA_FIFO_3D_HWVERSION));
break;
}
case DRM_VMW_PARAM_MAX_SURF_MEMORY:
param->value = dev_priv->memory_size;
break;
default:
DRM_ERROR("Illegal vmwgfx get param request: %d\n",
param->param);
return -EINVAL;
}
return 0;
}
int vmw_mmap(struct file *filp, struct vm_area_struct *vma)
{
struct drm_file *file_priv;
struct vmw_private *dev_priv;
if (unlikely(vma->vm_pgoff < VMWGFX_FILE_PAGE_OFFSET)) {
DRM_ERROR("Illegal attempt to mmap old fifo space.\n");
return -EINVAL;
}
file_priv = filp->private_data;
dev_priv = vmw_priv(file_priv->minor->dev);
return ttm_bo_mmap(filp, vma, &dev_priv->bdev);
}
/**
* vmw_sou_primary_plane_cleanup_fb - Frees sou backing buffer
*
* @plane: display plane
* @old_state: Contains the FB to clean up
*
* Unpins the display surface
*
* Returns 0 on success
*/
static void
vmw_sou_primary_plane_cleanup_fb(struct drm_plane *plane,
struct drm_plane_state *old_state)
{
struct vmw_plane_state *vps = vmw_plane_state_to_vps(old_state);
struct drm_crtc *crtc = plane->state->crtc ?
plane->state->crtc : old_state->crtc;
if (vps->bo)
vmw_bo_unpin(vmw_priv(crtc->dev), vps->bo, false);
vmw_bo_unreference(&vps->bo);
vps->bo_size = 0;
vmw_du_plane_cleanup_fb(plane, old_state);
}
int vmw_mmap(struct file *filp, struct vm_area_struct *vma)
{
struct drm_file *file_priv;
struct vmw_private *dev_priv;
if (unlikely(vma->vm_pgoff < VMWGFX_FILE_PAGE_OFFSET)) {
if (vmw_fifo_mmap(filp, vma) == 0)
return 0;
return drm_mmap(filp, vma);
}
file_priv = filp->private_data;
dev_priv = vmw_priv(file_priv->minor->dev);
return ttm_bo_mmap(filp, vma, &dev_priv->bdev);
}
void vmw_irq_uninstall(struct drm_device *dev)
{
struct vmw_private *dev_priv = vmw_priv(dev);
uint32_t status;
if (!(dev_priv->capabilities & SVGA_CAP_IRQMASK))
return;
mutex_lock(&dev_priv->hw_mutex);
vmw_write(dev_priv, SVGA_REG_IRQMASK, 0);
mutex_unlock(&dev_priv->hw_mutex);
status = inl(dev_priv->io_start + VMWGFX_IRQSTATUS_PORT);
outl(status, dev_priv->io_start + VMWGFX_IRQSTATUS_PORT);
}
int vmw_fence_wait_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_vmw_fence_wait_arg *arg =
(struct drm_vmw_fence_wait_arg *)data;
unsigned long timeout;
if (!arg->cookie_valid) {
arg->cookie_valid = 1;
arg->kernel_cookie = jiffies + VMW_FENCE_WAIT_TIMEOUT;
}
timeout = jiffies;
if (time_after_eq(timeout, (unsigned long)arg->kernel_cookie))
return -EBUSY;
timeout = (unsigned long)arg->kernel_cookie - timeout;
return vmw_wait_fence(vmw_priv(dev), true, arg->sequence, true, timeout);
}
int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_vmw_get_3d_cap_arg *arg =
(struct drm_vmw_get_3d_cap_arg *) data;
struct vmw_private *dev_priv = vmw_priv(dev);
uint32_t size;
__le32 __iomem *fifo_mem;
void __user *buffer = (void __user *)((unsigned long)(arg->buffer));
void *bounce;
int ret;
if (unlikely(arg->pad64 != 0)) {
DRM_ERROR("Illegal GET_3D_CAP argument.\n");
return -EINVAL;
}
size = (SVGA_FIFO_3D_CAPS_LAST - SVGA_FIFO_3D_CAPS + 1) << 2;
if (arg->max_size < size)
size = arg->max_size;
bounce = vmalloc(size);
if (unlikely(bounce == NULL)) {
DRM_ERROR("Failed to allocate bounce buffer for 3D caps.\n");
return -ENOMEM;
}
fifo_mem = dev_priv->mmio_virt;
memcpy_fromio(bounce, &fifo_mem[SVGA_FIFO_3D_CAPS], size);
ret = copy_to_user(buffer, bounce, size);
if (ret)
ret = -EFAULT;
vfree(bounce);
if (unlikely(ret != 0))
DRM_ERROR("Failed to report 3D caps info.\n");
return ret;
}
/**
* vmw_sou_crtc_helper_disable - Turns off CRTC
*
* @crtc: CRTC to be turned off
*/
static void vmw_sou_crtc_helper_disable(struct drm_crtc *crtc)
{
struct vmw_private *dev_priv;
struct vmw_screen_object_unit *sou;
int ret;
if (!crtc) {
DRM_ERROR("CRTC is NULL\n");
return;
}
sou = vmw_crtc_to_sou(crtc);
dev_priv = vmw_priv(crtc->dev);
if (sou->defined) {
ret = vmw_sou_fifo_destroy(dev_priv, sou);
if (ret)
DRM_ERROR("Failed to destroy Screen Object\n");
}
}
int vmw_overlay_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
struct vmw_private *dev_priv = vmw_priv(dev);
struct vmw_overlay *overlay = dev_priv->overlay_priv;
struct drm_vmw_control_stream_arg *arg =
(struct drm_vmw_control_stream_arg *)data;
struct vmw_dma_buffer *buf;
struct vmw_resource *res;
int ret;
if (!vmw_overlay_available(dev_priv))
return -ENOSYS;
ret = vmw_user_stream_lookup(dev_priv, tfile, &arg->stream_id, &res);
if (ret)
return ret;
mutex_lock(&overlay->mutex);
if (!arg->enabled) {
ret = vmw_overlay_stop(dev_priv, arg->stream_id, false, true);
goto out_unlock;
}
ret = vmw_user_dmabuf_lookup(tfile, arg->handle, &buf, NULL);
if (ret)
goto out_unlock;
ret = vmw_overlay_update_stream(dev_priv, buf, arg, true);
vmw_dmabuf_unreference(&buf);
out_unlock:
mutex_unlock(&overlay->mutex);
vmw_resource_unreference(&res);
return ret;
}
int vmw_fifo_debug_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct vmw_private *dev_priv = vmw_priv(dev);
struct vmw_fifo_state *fifo_state = &dev_priv->fifo;
struct drm_vmw_fifo_debug_arg *arg =
(struct drm_vmw_fifo_debug_arg *)data;
__le32 __user *buffer = (__le32 __user *)
(unsigned long)arg->debug_buffer;
if (unlikely(fifo_state->last_buffer == NULL))
return -EINVAL;
if (arg->debug_buffer_size < fifo_state->last_data_size) {
arg->used_size = arg->debug_buffer_size;
arg->did_not_fit = 1;
} else {
arg->used_size = fifo_state->last_data_size;
arg->did_not_fit = 0;
}
return copy_to_user(buffer, fifo_state->last_buffer, arg->used_size);
}
irqreturn_t vmw_irq_handler(DRM_IRQ_ARGS)
{
struct drm_device *dev = (struct drm_device *)arg;
struct vmw_private *dev_priv = vmw_priv(dev);
uint32_t status;
spin_lock(&dev_priv->irq_lock);
status = inl(dev_priv->io_start + VMWGFX_IRQSTATUS_PORT);
spin_unlock(&dev_priv->irq_lock);
if (status & SVGA_IRQFLAG_ANY_FENCE)
wake_up_all(&dev_priv->fence_queue);
if (status & SVGA_IRQFLAG_FIFO_PROGRESS)
wake_up_all(&dev_priv->fifo_queue);
if (likely(status)) {
outl(status, dev_priv->io_start + VMWGFX_IRQSTATUS_PORT);
return IRQ_HANDLED;
}
return IRQ_NONE;
}
static int vmw_driver_open(struct drm_device *dev, struct drm_file *file_priv)
{
struct vmw_private *dev_priv = vmw_priv(dev);
struct vmw_fpriv *vmw_fp;
int ret = -ENOMEM;
vmw_fp = kzalloc(sizeof(*vmw_fp), GFP_KERNEL);
if (unlikely(vmw_fp == NULL))
return ret;
vmw_fp->tfile = ttm_object_file_init(dev_priv->tdev, 10);
if (unlikely(vmw_fp->tfile == NULL))
goto out_no_tfile;
file_priv->driver_priv = vmw_fp;
return 0;
out_no_tfile:
kfree(vmw_fp);
return ret;
}
static int vmw_sou_crtc_page_flip(struct drm_crtc *crtc,
struct drm_framebuffer *new_fb,
struct drm_pending_vblank_event *event,
uint32_t flags,
struct drm_modeset_acquire_ctx *ctx)
{
struct vmw_private *dev_priv = vmw_priv(crtc->dev);
int ret;
if (!vmw_kms_crtc_flippable(dev_priv, crtc))
return -EINVAL;
ret = drm_atomic_helper_page_flip(crtc, new_fb, event, flags, ctx);
if (ret) {
DRM_ERROR("Page flip error %d.\n", ret);
return ret;
}
if (vmw_crtc_to_du(crtc)->is_implicit)
vmw_kms_update_implicit_fb(dev_priv, crtc);
return ret;
}
int vmw_getparam_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct vmw_private *dev_priv = vmw_priv(dev);
struct drm_vmw_getparam_arg *param =
(struct drm_vmw_getparam_arg *)data;
switch (param->param) {
case DRM_VMW_PARAM_NUM_STREAMS:
param->value = vmw_overlay_num_overlays(dev_priv);
break;
case DRM_VMW_PARAM_NUM_FREE_STREAMS:
param->value = vmw_overlay_num_free_overlays(dev_priv);
break;
case DRM_VMW_PARAM_3D:
param->value = vmw_fifo_have_3d(dev_priv) ? 1 : 0;
break;
case DRM_VMW_PARAM_FIFO_OFFSET:
param->value = dev_priv->mmio_start;
break;
case DRM_VMW_PARAM_HW_CAPS:
param->value = dev_priv->capabilities;
break;
case DRM_VMW_PARAM_FIFO_CAPS:
param->value = dev_priv->fifo.capabilities;
break;
case DRM_VMW_PARAM_MAX_FB_SIZE:
param->value = dev_priv->vram_size;
break;
default:
DRM_ERROR("Illegal vmwgfx get param request: %d\n",
param->param);
return -EINVAL;
}
return 0;
}
static int vmw_pm_restore(struct device *kdev)
{
struct pci_dev *pdev = to_pci_dev(kdev);
struct drm_device *dev = pci_get_drvdata(pdev);
struct vmw_private *dev_priv = vmw_priv(dev);
int ret;
vmw_write(dev_priv, SVGA_REG_ID, SVGA_ID_2);
(void) vmw_read(dev_priv, SVGA_REG_ID);
if (dev_priv->enable_fb)
vmw_fifo_resource_inc(dev_priv);
ret = vmw_request_device(dev_priv);
if (ret)
return ret;
if (dev_priv->enable_fb)
__vmw_svga_enable(dev_priv);
dev_priv->suspended = false;
return 0;
}
static int vmw_sou_crtc_set_config(struct drm_mode_set *set)
{
struct vmw_private *dev_priv;
struct vmw_screen_object_unit *sou;
struct drm_connector *connector;
struct drm_display_mode *mode;
struct drm_encoder *encoder;
struct vmw_framebuffer *vfb;
struct drm_framebuffer *fb;
struct drm_crtc *crtc;
int ret = 0;
if (!set)
return -EINVAL;
if (!set->crtc)
return -EINVAL;
/* get the sou */
crtc = set->crtc;
sou = vmw_crtc_to_sou(crtc);
vfb = set->fb ? vmw_framebuffer_to_vfb(set->fb) : NULL;
dev_priv = vmw_priv(crtc->dev);
if (set->num_connectors > 1) {
DRM_ERROR("to many connectors\n");
return -EINVAL;
}
if (set->num_connectors == 1 &&
set->connectors[0] != &sou->base.connector) {
DRM_ERROR("connector doesn't match %p %p\n",
set->connectors[0], &sou->base.connector);
return -EINVAL;
}
/* sou only supports one fb active at the time */
if (sou->base.is_implicit &&
dev_priv->sou_priv->implicit_fb && vfb &&
!(dev_priv->sou_priv->num_implicit == 1 &&
sou->active_implicit) &&
dev_priv->sou_priv->implicit_fb != vfb) {
DRM_ERROR("Multiple framebuffers not supported\n");
return -EINVAL;
}
/* since they always map one to one these are safe */
connector = &sou->base.connector;
encoder = &sou->base.encoder;
/* should we turn the crtc off */
if (set->num_connectors == 0 || !set->mode || !set->fb) {
ret = vmw_sou_fifo_destroy(dev_priv, sou);
/* the hardware has hung don't do anything more */
if (unlikely(ret != 0))
return ret;
connector->encoder = NULL;
encoder->crtc = NULL;
crtc->fb = NULL;
crtc->x = 0;
crtc->y = 0;
crtc->enabled = false;
vmw_sou_del_active(dev_priv, sou);
vmw_sou_backing_free(dev_priv, sou);
return 0;
}
/* we now know we want to set a mode */
mode = set->mode;
fb = set->fb;
if (set->x + mode->hdisplay > fb->width ||
set->y + mode->vdisplay > fb->height) {
DRM_ERROR("set outside of framebuffer\n");
return -EINVAL;
}
vmw_fb_off(dev_priv);
if (mode->hdisplay != crtc->mode.hdisplay ||
mode->vdisplay != crtc->mode.vdisplay) {
/* no need to check if depth is different, because backing
* store depth is forced to 4 by the device.
*/
ret = vmw_sou_fifo_destroy(dev_priv, sou);
/* the hardware has hung don't do anything more */
if (unlikely(ret != 0))
return ret;
vmw_sou_backing_free(dev_priv, sou);
}
if (!sou->buffer) {
/* forced to depth 4 by the device */
size_t size = mode->hdisplay * mode->vdisplay * 4;
ret = vmw_sou_backing_alloc(dev_priv, sou, size);
if (unlikely(ret != 0))
return ret;
}
ret = vmw_sou_fifo_create(dev_priv, sou, set->x, set->y, mode);
if (unlikely(ret != 0)) {
/*
* We are in a bit of a situation here, the hardware has
* hung and we may or may not have a buffer hanging of
* the screen object, best thing to do is not do anything
* if we where defined, if not just turn the crtc of.
* Not what userspace wants but it needs to htfu.
*/
if (sou->defined)
return ret;
connector->encoder = NULL;
encoder->crtc = NULL;
crtc->fb = NULL;
crtc->x = 0;
crtc->y = 0;
crtc->enabled = false;
return ret;
}
vmw_sou_add_active(dev_priv, sou, vfb);
connector->encoder = encoder;
encoder->crtc = crtc;
crtc->mode = *mode;
crtc->fb = fb;
crtc->x = set->x;
crtc->y = set->y;
crtc->enabled = true;
return 0;
}
int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct vmw_private *dev_priv = vmw_priv(dev);
struct drm_vmw_present_readback_arg *arg =
(struct drm_vmw_present_readback_arg *)data;
struct drm_vmw_fence_rep __user *user_fence_rep =
(struct drm_vmw_fence_rep __user *)
(unsigned long)arg->fence_rep;
struct vmw_master *vmaster = vmw_master(file_priv->master);
struct drm_vmw_rect __user *clips_ptr;
struct drm_vmw_rect *clips = NULL;
struct drm_framebuffer *fb;
struct vmw_framebuffer *vfb;
uint32_t num_clips;
int ret;
num_clips = arg->num_clips;
clips_ptr = (struct drm_vmw_rect *)(unsigned long)arg->clips_ptr;
if (unlikely(num_clips == 0))
return 0;
if (clips_ptr == NULL) {
DRM_ERROR("Argument clips_ptr must be specified.\n");
ret = -EINVAL;
goto out_clips;
}
clips = kcalloc(num_clips, sizeof(*clips), GFP_KERNEL);
if (clips == NULL) {
DRM_ERROR("Failed to allocate clip rect list.\n");
ret = -ENOMEM;
goto out_clips;
}
ret = copy_from_user(clips, clips_ptr, num_clips * sizeof(*clips));
if (ret) {
DRM_ERROR("Failed to copy clip rects from userspace.\n");
ret = -EFAULT;
goto out_no_copy;
}
drm_modeset_lock_all(dev);
fb = drm_framebuffer_lookup(dev, arg->fb_id);
if (!fb) {
DRM_ERROR("Invalid framebuffer id.\n");
ret = -ENOENT;
goto out_no_fb;
}
vfb = vmw_framebuffer_to_vfb(fb);
if (!vfb->dmabuf) {
DRM_ERROR("Framebuffer not dmabuf backed.\n");
ret = -EINVAL;
goto out_no_ttm_lock;
}
ret = ttm_read_lock(&vmaster->lock, true);
if (unlikely(ret != 0))
goto out_no_ttm_lock;
ret = vmw_kms_readback(dev_priv, file_priv,
vfb, user_fence_rep,
clips, num_clips);
ttm_read_unlock(&vmaster->lock);
out_no_ttm_lock:
drm_framebuffer_unreference(fb);
out_no_fb:
drm_modeset_unlock_all(dev);
out_no_copy:
kfree(clips);
out_clips:
return ret;
}
