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linux/drivers/gpu/drm/nouveau/nv50_fbcon.c

274 lines
6.9 KiB
C
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#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;
}
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