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nvc0/fb: shut up PMFB interrupt after the first occurrence

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Signed-off-by: Christoph Bumiller <e0425955@student.tuwien.ac.at>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Christoph Bumiller 2012-04-19 19:59:20 +02:00 committed by Ben Skeggs
parent 0ed4bb92f5
commit ffc6a4e49e
1 changed files with 5 additions and 0 deletions
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5
drivers/gpu/drm/nouveau/nvc0_fb.c
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@ -54,6 +54,11 @@ nvc0_mfb_isr(struct drm_device *dev)
nvc0_mfb_subp_isr(dev, unit, subp);
units &= ~(1 << unit);
}
/* we do something horribly wrong and upset PMFB a lot, so mask off
* interrupts from it after the first one until it's fixed
*/
nv_mask(dev, 0x000640, 0x02000000, 0x00000000);
}
static void