diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_fbcon.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv50_fbcon.c | 273 |
1 files changed, 273 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_fbcon.c b/drivers/gpu/drm/nouveau/nv50_fbcon.c new file mode 100644 index 000000000000..6bcc6d39e9b0 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nv50_fbcon.c @@ -0,0 +1,273 @@ +#include "drmP.h" +#include "nouveau_drv.h" +#include "nouveau_dma.h" +#include "nouveau_fbcon.h" + +static void +nv50_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, rect->rop == ROP_COPY ? 7 : 11)) { + NV_ERROR(dev, "GPU lockup - switching to software fbcon\n"); + + info->flags |= FBINFO_HWACCEL_DISABLED; + } + + if (info->flags & FBINFO_HWACCEL_DISABLED) { + cfb_fillrect(info, rect); + return; + } + + if (rect->rop != ROP_COPY) { + BEGIN_RING(chan, NvSub2D, 0x02ac, 1); + OUT_RING(chan, 1); + } + BEGIN_RING(chan, NvSub2D, 0x0588, 1); + OUT_RING(chan, rect->color); + BEGIN_RING(chan, NvSub2D, 0x0600, 4); + OUT_RING(chan, rect->dx); + OUT_RING(chan, rect->dy); + OUT_RING(chan, rect->dx + rect->width); + OUT_RING(chan, rect->dy + rect->height); + if (rect->rop != ROP_COPY) { + BEGIN_RING(chan, NvSub2D, 0x02ac, 1); + OUT_RING(chan, 3); + } + FIRE_RING(chan); +} + +static void +nv50_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, 12)) { + NV_ERROR(dev, "GPU lockup - switching to software fbcon\n"); + + info->flags |= FBINFO_HWACCEL_DISABLED; + } + + if (info->flags & FBINFO_HWACCEL_DISABLED) { + cfb_copyarea(info, region); + return; + } + + BEGIN_RING(chan, NvSub2D, 0x0110, 1); + OUT_RING(chan, 0); + BEGIN_RING(chan, NvSub2D, 0x08b0, 4); + OUT_RING(chan, region->dx); + OUT_RING(chan, region->dy); + OUT_RING(chan, region->width); + OUT_RING(chan, region->height); + BEGIN_RING(chan, NvSub2D, 0x08d0, 4); + OUT_RING(chan, 0); + OUT_RING(chan, region->sx); + OUT_RING(chan, 0); + OUT_RING(chan, region->sy); + FIRE_RING(chan); +} + +static void +nv50_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 width, dwords, *data = (uint32_t *)image->data; + uint32_t mask = ~(~0 >> (32 - info->var.bits_per_pixel)); + uint32_t *palette = info->pseudo_palette; + + 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, 11)) { + NV_ERROR(dev, "GPU lockup - switching to software fbcon\n"); + info->flags |= FBINFO_HWACCEL_DISABLED; + } + + if (info->flags & FBINFO_HWACCEL_DISABLED) { + cfb_imageblit(info, image); + return; + } + + width = (image->width + 31) & ~31; + dwords = (width * image->height) >> 5; + + BEGIN_RING(chan, NvSub2D, 0x0814, 2); + if (info->fix.visual == FB_VISUAL_TRUECOLOR || + info->fix.visual == FB_VISUAL_DIRECTCOLOR) { + OUT_RING(chan, palette[image->bg_color] | mask); + OUT_RING(chan, palette[image->fg_color] | mask); + } else { + OUT_RING(chan, image->bg_color); + OUT_RING(chan, image->fg_color); + } + BEGIN_RING(chan, NvSub2D, 0x0838, 2); + OUT_RING(chan, image->width); + OUT_RING(chan, image->height); + BEGIN_RING(chan, NvSub2D, 0x0850, 4); + OUT_RING(chan, 0); + OUT_RING(chan, image->dx); + OUT_RING(chan, 0); + OUT_RING(chan, image->dy); + + while (dwords) { + int push = dwords > 2047 ? 2047 : dwords; + + if (RING_SPACE(chan, push + 1)) { + NV_ERROR(dev, + "GPU lockup - switching to software fbcon\n"); + info->flags |= FBINFO_HWACCEL_DISABLED; + cfb_imageblit(info, image); + return; + } + + dwords -= push; + + BEGIN_RING(chan, NvSub2D, 0x40000860, push); + OUT_RINGp(chan, data, push); + data += push; + } + + FIRE_RING(chan); +} + +int +nv50_fbcon_accel_init(struct fb_info *info) +{ + 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; + struct nouveau_gpuobj *eng2d = NULL; + int ret, format; + + switch (info->var.bits_per_pixel) { + case 8: + format = 0xf3; + break; + case 15: + format = 0xf8; + break; + case 16: + format = 0xe8; + break; + case 32: + switch (info->var.transp.length) { + case 0: /* depth 24 */ + case 8: /* depth 32, just use 24.. */ + format = 0xe6; + break; + case 2: /* depth 30 */ + format = 0xd1; + break; + default: + return -EINVAL; + } + break; + default: + return -EINVAL; + } + + ret = nouveau_gpuobj_gr_new(dev_priv->channel, 0x502d, &eng2d); + if (ret) + return ret; + + ret = nouveau_gpuobj_ref_add(dev, dev_priv->channel, Nv2D, eng2d, NULL); + if (ret) + return ret; + + ret = RING_SPACE(chan, 59); + if (ret) { + NV_ERROR(dev, "GPU lockup - switching to software fbcon\n"); + return ret; + } + + BEGIN_RING(chan, NvSub2D, 0x0000, 1); + OUT_RING(chan, Nv2D); + BEGIN_RING(chan, NvSub2D, 0x0180, 4); + OUT_RING(chan, NvNotify0); + OUT_RING(chan, chan->vram_handle); + OUT_RING(chan, chan->vram_handle); + OUT_RING(chan, chan->vram_handle); + BEGIN_RING(chan, NvSub2D, 0x0290, 1); + OUT_RING(chan, 0); + BEGIN_RING(chan, NvSub2D, 0x0888, 1); + OUT_RING(chan, 1); + BEGIN_RING(chan, NvSub2D, 0x02ac, 1); + OUT_RING(chan, 3); + BEGIN_RING(chan, NvSub2D, 0x02a0, 1); + OUT_RING(chan, 0x55); + BEGIN_RING(chan, NvSub2D, 0x08c0, 4); + OUT_RING(chan, 0); + OUT_RING(chan, 1); + OUT_RING(chan, 0); + OUT_RING(chan, 1); + BEGIN_RING(chan, NvSub2D, 0x0580, 2); + OUT_RING(chan, 4); + OUT_RING(chan, format); + BEGIN_RING(chan, NvSub2D, 0x02e8, 2); + OUT_RING(chan, 2); + OUT_RING(chan, 1); + BEGIN_RING(chan, NvSub2D, 0x0804, 1); + OUT_RING(chan, format); + BEGIN_RING(chan, NvSub2D, 0x0800, 1); + OUT_RING(chan, 1); + BEGIN_RING(chan, NvSub2D, 0x0808, 3); + OUT_RING(chan, 0); + OUT_RING(chan, 0); + OUT_RING(chan, 0); + BEGIN_RING(chan, NvSub2D, 0x081c, 1); + OUT_RING(chan, 1); + BEGIN_RING(chan, NvSub2D, 0x0840, 4); + OUT_RING(chan, 0); + OUT_RING(chan, 1); + OUT_RING(chan, 0); + OUT_RING(chan, 1); + BEGIN_RING(chan, NvSub2D, 0x0200, 2); + OUT_RING(chan, format); + OUT_RING(chan, 1); + BEGIN_RING(chan, NvSub2D, 0x0214, 5); + OUT_RING(chan, info->fix.line_length); + OUT_RING(chan, info->var.xres_virtual); + OUT_RING(chan, info->var.yres_virtual); + OUT_RING(chan, 0); + OUT_RING(chan, info->fix.smem_start - dev_priv->fb_phys + + dev_priv->vm_vram_base); + BEGIN_RING(chan, NvSub2D, 0x0230, 2); + OUT_RING(chan, format); + OUT_RING(chan, 1); + BEGIN_RING(chan, NvSub2D, 0x0244, 5); + OUT_RING(chan, info->fix.line_length); + OUT_RING(chan, info->var.xres_virtual); + OUT_RING(chan, info->var.yres_virtual); + OUT_RING(chan, 0); + OUT_RING(chan, info->fix.smem_start - dev_priv->fb_phys + + dev_priv->vm_vram_base); + + info->fbops->fb_fillrect = nv50_fbcon_fillrect; + info->fbops->fb_copyarea = nv50_fbcon_copyarea; + info->fbops->fb_imageblit = nv50_fbcon_imageblit; + return 0; +} + |