From ffc6a4e49e5bc117aac13ed752cfc018c163e2ac Mon Sep 17 00:00:00 2001 From: Christoph Bumiller Date: Thu, 19 Apr 2012 19:59:20 +0200 Subject: [PATCH] nvc0/fb: shut up PMFB interrupt after the first occurrence Signed-off-by: Christoph Bumiller Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nvc0_fb.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/nouveau/nvc0_fb.c b/drivers/gpu/drm/nouveau/nvc0_fb.c index 5bf55038fd92..f704e942372e 100644 --- a/drivers/gpu/drm/nouveau/nvc0_fb.c +++ b/drivers/gpu/drm/nouveau/nvc0_fb.c @@ -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 -- 2.20.1