static int
nouveau_fbcon_sync(struct fb_info *info)
{
struct nouveau_fbdev *nfbdev = info->par;
struct drm_device *dev = nfbdev->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_channel *chan = dev_priv->channel;
int ret, i;
if (!chan || !chan->accel_done || in_interrupt() ||
info->state != FBINFO_STATE_RUNNING ||
info->flags & FBINFO_HWACCEL_DISABLED)
return 0;
if (!mutex_trylock(&chan->mutex))
return 0;
ret = RING_SPACE(chan, 4);
if (ret) {
mutex_unlock(&chan->mutex);
nouveau_fbcon_gpu_lockup(info);
return 0;
}
if (dev_priv->card_type >= NV_C0) {
BEGIN_NVC0(chan, 2, NvSub2D, 0x010c, 1);
OUT_RING (chan, 0);
BEGIN_NVC0(chan, 2, NvSub2D, 0x0100, 1);
OUT_RING (chan, 0);
} else {
BEGIN_RING(chan, 0, 0x0104, 1);
OUT_RING (chan, 0);
BEGIN_RING(chan, 0, 0x0100, 1);
OUT_RING (chan, 0);
}
nouveau_bo_wr32(chan->notifier_bo, chan->m2mf_ntfy/4 + 3, 0xffffffff);
FIRE_RING(chan);
mutex_unlock(&chan->mutex);
ret = -EBUSY;
for (i = 0; i < 100000; i++) {
if (!nouveau_bo_rd32(chan->notifier_bo, chan->m2mf_ntfy/4 + 3)) {
ret = 0;
break;
}
DRM_UDELAY(1);
}
if (ret) {
nouveau_fbcon_gpu_lockup(info);
return 0;
}
chan->accel_done = false;
return 0;
}
static void
nouveau_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *image)
{
struct nouveau_fbdev *nfbdev = info->par;
struct drm_device *dev = nfbdev->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
int ret;
if (info->state != FBINFO_STATE_RUNNING)
return;
ret = -ENODEV;
if (!in_interrupt() && !(info->flags & FBINFO_HWACCEL_DISABLED) &&
mutex_trylock(&dev_priv->channel->mutex)) {
if (dev_priv->card_type < NV_50)
ret = nv04_fbcon_copyarea(info, image);
else
if (dev_priv->card_type < NV_C0)
ret = nv50_fbcon_copyarea(info, image);
else
ret = nvc0_fbcon_copyarea(info, image);
mutex_unlock(&dev_priv->channel->mutex);
}
if (ret == 0)
return;
if (ret != -ENODEV)
nouveau_fbcon_gpu_lockup(info);
cfb_copyarea(info, image);
}
static int
nouveau_fbcon_sync(struct fb_info *info)
{
struct nouveau_fbdev *nfbdev = info->par;
struct drm_device *dev = nfbdev->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_channel *chan = dev_priv->channel;
int ret;
if (!chan || !chan->accel_done || in_interrupt() ||
info->state != FBINFO_STATE_RUNNING ||
info->flags & FBINFO_HWACCEL_DISABLED)
return 0;
if (!mutex_trylock(&chan->mutex))
return 0;
ret = nouveau_channel_idle(chan);
mutex_unlock(&chan->mutex);
if (ret) {
nouveau_fbcon_gpu_lockup(info);
return 0;
}
chan->accel_done = false;
return 0;
}
static void
nv04_fbcon_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
{
struct nouveau_fbcon_par *par = info->par;
struct drm_device *dev = par->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_channel *chan = dev_priv->channel;
if (info->state != FBINFO_STATE_RUNNING)
return;
if (!(info->flags & FBINFO_HWACCEL_DISABLED) && RING_SPACE(chan, 7)) {
nouveau_fbcon_gpu_lockup(info);
}
if (info->flags & FBINFO_HWACCEL_DISABLED) {
cfb_fillrect(info, rect);
return;
}
BEGIN_RING(chan, NvSubGdiRect, 0x02fc, 1);
OUT_RING(chan, (rect->rop != ROP_COPY) ? 1 : 3);
BEGIN_RING(chan, NvSubGdiRect, 0x03fc, 1);
if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
info->fix.visual == FB_VISUAL_DIRECTCOLOR)
OUT_RING(chan, ((uint32_t *)info->pseudo_palette)[rect->color]);
else
OUT_RING(chan, rect->color);
BEGIN_RING(chan, NvSubGdiRect, 0x0400, 2);
OUT_RING(chan, (rect->dx << 16) | rect->dy);
OUT_RING(chan, (rect->width << 16) | rect->height);
FIRE_RING(chan);
}
static void
nv04_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *region)
{
struct nouveau_fbcon_par *par = info->par;
struct drm_device *dev = par->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_channel *chan = dev_priv->channel;
if (info->state != FBINFO_STATE_RUNNING)
return;
if (!(info->flags & FBINFO_HWACCEL_DISABLED) && RING_SPACE(chan, 4)) {
nouveau_fbcon_gpu_lockup(info);
}
if (info->flags & FBINFO_HWACCEL_DISABLED) {
cfb_copyarea(info, region);
return;
}
BEGIN_RING(chan, NvSubImageBlit, 0x0300, 3);
OUT_RING(chan, (region->sy << 16) | region->sx);
OUT_RING(chan, (region->dy << 16) | region->dx);
OUT_RING(chan, (region->height << 16) | region->width);
FIRE_RING(chan);
}
static int
nouveau_fbcon_sync(struct fb_info *info)
{
#if 0
struct nouveau_fbdev *nfbdev = info->par;
struct drm_device *dev = nfbdev->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_channel *chan = dev_priv->channel;
int ret, i;
if (!chan || !chan->accel_done ||
info->state != FBINFO_STATE_RUNNING ||
info->flags & FBINFO_HWACCEL_DISABLED)
return 0;
if (RING_SPACE(chan, 4)) {
nouveau_fbcon_gpu_lockup(info);
return 0;
}
BEGIN_RING(chan, 0, 0x0104, 1);
OUT_RING(chan, 0);
BEGIN_RING(chan, 0, 0x0100, 1);
OUT_RING(chan, 0);
nouveau_bo_wr32(chan->notifier_bo, chan->m2mf_ntfy + 3, 0xffffffff);
FIRE_RING(chan);
ret = -EBUSY;
for (i = 0; i < 100000; i++) {
if (!nouveau_bo_rd32(chan->notifier_bo, chan->m2mf_ntfy + 3)) {
ret = 0;
break;
}
DRM_UDELAY(1);
}
if (ret) {
nouveau_fbcon_gpu_lockup(info);
return 0;
}
chan->accel_done = false;
#endif
return 0;
}
static void
nv04_fbcon_imageblit(struct fb_info *info, const struct fb_image *image)
{
struct nouveau_fbcon_par *par = info->par;
struct drm_device *dev = par->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_channel *chan = dev_priv->channel;
uint32_t fg;
uint32_t bg;
uint32_t dsize;
uint32_t width;
uint32_t *data = (uint32_t *)image->data;
if (info->state != FBINFO_STATE_RUNNING)
return;
if (image->depth != 1) {
cfb_imageblit(info, image);
return;
}
if (!(info->flags & FBINFO_HWACCEL_DISABLED) && RING_SPACE(chan, 8)) {
nouveau_fbcon_gpu_lockup(info);
}
if (info->flags & FBINFO_HWACCEL_DISABLED) {
cfb_imageblit(info, image);
return;
}
width = (image->width + 31) & ~31;
dsize = (width * image->height) >> 5;
if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
fg = ((uint32_t *) info->pseudo_palette)[image->fg_color];
bg = ((uint32_t *) info->pseudo_palette)[image->bg_color];
} else {
fg = image->fg_color;
bg = image->bg_color;
}
BEGIN_RING(chan, NvSubGdiRect, 0x0be4, 7);
OUT_RING(chan, (image->dy << 16) | (image->dx & 0xffff));
OUT_RING(chan, ((image->dy + image->height) << 16) |
((image->dx + image->width) & 0xffff));
OUT_RING(chan, bg);
OUT_RING(chan, fg);
OUT_RING(chan, (image->height << 16) | image->width);
OUT_RING(chan, (image->height << 16) | width);
OUT_RING(chan, (image->dy << 16) | (image->dx & 0xffff));
while (dsize) {
int iter_len = dsize > 128 ? 128 : dsize;
if (RING_SPACE(chan, iter_len + 1)) {
nouveau_fbcon_gpu_lockup(info);
cfb_imageblit(info, image);
return;
}
BEGIN_RING(chan, NvSubGdiRect, 0x0c00, iter_len);
OUT_RINGp(chan, data, iter_len);
data += iter_len;
dsize -= iter_len;
}
FIRE_RING(chan);
}
