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| author | Ben Skeggs <bskeggs@redhat.com> | 2013-10-11 08:56:39 +0400 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2013-11-08 09:39:05 +0400 |
| commit | 3c792a15ec799c27d634b102b605f3ec32c033c3 (patch) | |
| tree | a83348a3f7e3c49ceb0b19ad8ae76442885cdb04 /drivers/gpu/drm/nouveau/core/subdev/mc/base.c | |
| parent | ab5beca895335856ed9cb749aee8a2aabde0c247 (diff) | |
| download | linux-3c792a15ec799c27d634b102b605f3ec32c033c3.tar.xz | |
drm/nouveau/mc: fetch NV_PMC_INTR again after re-arming MSI
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/mc/base.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/mc/base.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/mc/base.c b/drivers/gpu/drm/nouveau/core/subdev/mc/base.c index b64372298f14..525d40dcc3ff 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/mc/base.c +++ b/drivers/gpu/drm/nouveau/core/subdev/mc/base.c @@ -31,7 +31,7 @@ nouveau_mc_intr(int irq, void *arg) struct nouveau_mc *pmc = arg; const struct nouveau_mc_intr *map = pmc->intr_map; struct nouveau_subdev *unit; - u32 intr, stat; + u32 intr; nv_wr32(pmc, 0x000140, 0x00000000); nv_rd32(pmc, 0x000140); @@ -40,7 +40,11 @@ nouveau_mc_intr(int irq, void *arg) if (intr == 0xffffffff) /* likely fallen off the bus */ intr = 0x00000000; - if ((stat = intr) != 0) { + if (pmc->use_msi) + nv_wr08(pmc, 0x088068, 0xff); + + if (intr) { + u32 stat = nv_rd32(pmc, 0x000100); while (map->stat) { if (intr & map->stat) { unit = nouveau_subdev(pmc, map->unit); @@ -51,8 +55,6 @@ nouveau_mc_intr(int irq, void *arg) map++; } - if (pmc->use_msi) - nv_wr08(pmc, 0x088068, 0xff); if (stat) nv_error(pmc, "unknown intr 0x%08x\n", stat); } |