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drm/nv50/pm: 0x84/0x86 can't use "1" for nvclk src, need 0x50 method

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2011-10-30 23:04:31 +10:00
parent 06784090ec
commit 6805979fa9
1 changed files with 5 additions and 2 deletions
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7
drivers/gpu/drm/nouveau/nv50_pm.c
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@ -562,8 +562,11 @@ nv50_pm_clocks_set(struct drm_device *dev, void *data)
}
nv_mask(dev, 0x00c040, 0x0c000c00, info->amast);
/* core/shader: switch core to dom6, shader to hclk */
if (dev_priv->chipset == 0x50)
/* core/shader: make sure sclk/nvclk are disconnected from their
* plls (nvclk to dom6, sclk to hclk), modify the plls, and
* reconnect sclk/nvclk to their new clock source
*/
if (dev_priv->chipset < 0x92)
nv_mask(dev, 0x00c040, 0x001000b0, 0x00100080); /* grrr! */
else
nv_mask(dev, 0x00c040, 0x000000b3, 0x00000081);