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drm/nvc0/pm: very initial mclk freq change

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Loads of magic missing, this will probably blow up if you try it.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2012-02-06 13:51:30 +10:00
parent a94ba1fcac
commit 9d6ba0b58c
1 changed files with 23 additions and 1 deletions
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24
drivers/gpu/drm/nouveau/nvc0_pm.c
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@ -500,6 +500,24 @@ mclk_mrs(struct nouveau_mem_exec_func *exec, int mr, u32 data)
static void
mclk_clock_set(struct nouveau_mem_exec_func *exec)
{
struct nvc0_pm_state *info = exec->priv;
struct drm_device *dev = exec->dev;
u32 ctrl = nv_rd32(dev, 0x132000);
nv_wr32(dev, 0x137360, 0x00000001);
nv_wr32(dev, 0x137370, 0x00000000);
nv_wr32(dev, 0x137380, 0x00000000);
if (ctrl & 0x00000001)
nv_wr32(dev, 0x132000, (ctrl &= ~0x00000001));
nv_wr32(dev, 0x132004, info->mem.coef);
nv_wr32(dev, 0x132000, (ctrl |= 0x00000001));
nv_wait(dev, 0x137390, 0x00000002, 0x00000002);
nv_wr32(dev, 0x132018, 0x00005000);
nv_wr32(dev, 0x137370, 0x00000001);
nv_wr32(dev, 0x137380, 0x00000001);
nv_wr32(dev, 0x137360, 0x00000000);
}
static void
@ -533,11 +551,15 @@ prog_mem(struct drm_device *dev, struct nvc0_pm_state *info)
if (dev_priv->chipset < 0xd0)
nv_wr32(dev, 0x611200, 0x00003300);
else
nv_wr32(dev, 0x62c000, 0x03030000);
nouveau_mem_exec(&exec, info->perflvl);
if (dev_priv->chipset < 0xd0)
nv_wr32(dev, 0x611200, 0x00003300);
else
nv_wr32(dev, 0x62c000, 0x03030300);
}
int
nvc0_pm_clocks_set(struct drm_device *dev, void *data)
@ -545,7 +567,7 @@ nvc0_pm_clocks_set(struct drm_device *dev, void *data)
struct nvc0_pm_state *info = data;
int i;
if (0)
if (info->mem.coef)
prog_mem(dev, info);
for (i = 0; i < 16; i++) {