diff options
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/mc/base.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/mc/base.c b/drivers/gpu/drm/nouveau/core/subdev/mc/base.c index f26fcbd2237..b64372298f1 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/mc/base.c +++ b/drivers/gpu/drm/nouveau/core/subdev/mc/base.c @@ -33,6 +33,9 @@ nouveau_mc_intr(int irq, void *arg) struct nouveau_subdev *unit; u32 intr, stat; + nv_wr32(pmc, 0x000140, 0x00000000); + nv_rd32(pmc, 0x000140); + intr = nv_rd32(pmc, 0x000100); if (intr == 0xffffffff) /* likely fallen off the bus */ intr = 0x00000000; @@ -54,6 +57,7 @@ nouveau_mc_intr(int irq, void *arg) nv_error(pmc, "unknown intr 0x%08x\n", stat); } + nv_wr32(pmc, 0x000140, 0x00000001); return intr ? IRQ_HANDLED : IRQ_NONE; } |