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drm/nouveau: Allocate a per-channel instance of NV_SW.

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It will be useful for various synchronization purposes, mostly stolen
from "[PATCH] drm/nv50: synchronize user channel after buffer object
move on kernel channel" by Maarten Maathuis.

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
This commit is contained in:
Francisco Jerez
2009-12-26 02:42:45 +01:00
committed by Ben Skeggs
parent a510604df9
commit f03a314b46
6 changed files with 48 additions and 24 deletions
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19
drivers/gpu/drm/nouveau/nv04_fbcon.c
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@@ -184,6 +184,7 @@ nv04_fbcon_accel_init(struct fb_info *info)
struct drm_device *dev = par->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_channel *chan = dev_priv->channel;
const int sub = NvSubCtxSurf2D;
int surface_fmt, pattern_fmt, rect_fmt;
int ret;
@@ -247,25 +248,25 @@ nv04_fbcon_accel_init(struct fb_info *info)
return 0;
}
BEGIN_RING(chan, 1, 0x0000, 1);
BEGIN_RING(chan, sub, 0x0000, 1);
OUT_RING(chan, NvCtxSurf2D);
BEGIN_RING(chan, 1, 0x0184, 2);
BEGIN_RING(chan, sub, 0x0184, 2);
OUT_RING(chan, NvDmaFB);
OUT_RING(chan, NvDmaFB);
BEGIN_RING(chan, 1, 0x0300, 4);
BEGIN_RING(chan, sub, 0x0300, 4);
OUT_RING(chan, surface_fmt);
OUT_RING(chan, info->fix.line_length | (info->fix.line_length << 16));
OUT_RING(chan, info->fix.smem_start - dev->mode_config.fb_base);
OUT_RING(chan, info->fix.smem_start - dev->mode_config.fb_base);
BEGIN_RING(chan, 1, 0x0000, 1);
BEGIN_RING(chan, sub, 0x0000, 1);
OUT_RING(chan, NvRop);
BEGIN_RING(chan, 1, 0x0300, 1);
BEGIN_RING(chan, sub, 0x0300, 1);
OUT_RING(chan, 0x55);
BEGIN_RING(chan, 1, 0x0000, 1);
BEGIN_RING(chan, sub, 0x0000, 1);
OUT_RING(chan, NvImagePatt);
BEGIN_RING(chan, 1, 0x0300, 8);
BEGIN_RING(chan, sub, 0x0300, 8);
OUT_RING(chan, pattern_fmt);
#ifdef __BIG_ENDIAN
OUT_RING(chan, 2);
@@ -279,9 +280,9 @@ nv04_fbcon_accel_init(struct fb_info *info)
OUT_RING(chan, ~0);
OUT_RING(chan, ~0);
BEGIN_RING(chan, 1, 0x0000, 1);
BEGIN_RING(chan, sub, 0x0000, 1);
OUT_RING(chan, NvClipRect);
BEGIN_RING(chan, 1, 0x0300, 2);
BEGIN_RING(chan, sub, 0x0300, 2);
OUT_RING(chan, 0);
OUT_RING(chan, (info->var.yres_virtual << 16) | info->var.xres_virtual);