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yaml
---
r: 269662
b: refs/heads/master
c: afb0c79
h: refs/heads/master
v: v3
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Ben Skeggs committed Sep 20, 2011
1 parent 4e310d4 commit c1962d7
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Showing 2 changed files with 3 additions and 27 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 378f85ed54a424bc7e1edb9c3c7cd3a7efef9f9c
refs/heads/master: afb0c796d8002a0052662ff337dbd18b5dc5ff97
28 changes: 2 additions & 26 deletions trunk/drivers/gpu/drm/nouveau/nv04_timer.c
Original file line number Diff line number Diff line change
Expand Up @@ -3,30 +3,6 @@
#include "nouveau_drv.h"
#include "nouveau_drm.h"

static u32
nv04_crystal_freq(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
u32 extdev_boot0 = nv_rd32(dev, 0x101000);
int type;

type = !!(extdev_boot0 & 0x00000040);
if ((dev_priv->chipset >= 0x17 && dev_priv->chipset < 0x20) ||
dev_priv->chipset >= 0x25)
type |= (extdev_boot0 & 0x00400000) ? 2 : 0;

switch (type) {
case 0: return 13500000;
case 1: return 14318180;
case 2: return 27000000;
case 3: return 25000000;
default:
break;
}

return 0;
}

int
nv04_timer_init(struct drm_device *dev)
{
Expand All @@ -37,7 +13,7 @@ nv04_timer_init(struct drm_device *dev)
nv_wr32(dev, NV04_PTIMER_INTR_0, 0xFFFFFFFF);

/* aim for 31.25MHz, which gives us nanosecond timestamps */
d = 1000000000 / 32;
d = 1000000 / 32;

/* determine base clock for timer source */
if (dev_priv->chipset < 0x40) {
Expand All @@ -47,7 +23,7 @@ nv04_timer_init(struct drm_device *dev)
/*XXX: figure this out */
n = 0;
} else {
n = nv04_crystal_freq(dev);
n = dev_priv->crystal;
m = 1;
while (n < (d * 2)) {
n += (n / m);
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