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authorBen Skeggs <bskeggs@redhat.com>2013-10-11 14:56:39 +1000
committerBen Skeggs <bskeggs@redhat.com>2013-11-05 16:15:45 +1000
commit72d42f1f03aa9f0af5e3f5987e7a3e57c1d63f47 (patch)
tree7d895df5f7feba158fc8f908cd46d1e872770a31 /nvkm/subdev/mc
parentd138c184447e3e304ad38546526140931d73b804 (diff)
downloadnouveau-72d42f1f03aa9f0af5e3f5987e7a3e57c1d63f47.tar.gz
mc: fetch NV_PMC_INTR again after re-arming MSI
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'nvkm/subdev/mc')
-rw-r--r--nvkm/subdev/mc/base.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/nvkm/subdev/mc/base.c b/nvkm/subdev/mc/base.c
index 9013de22a..13746c338 100644
--- a/nvkm/subdev/mc/base.c
+++ b/nvkm/subdev/mc/base.c
@@ -32,7 +32,7 @@ nouveau_mc_intr(int irq, void *arg)
const struct nouveau_mc_intr *map = pmc->intr_map;
struct nouveau_device *device = nv_device(pmc);
struct nouveau_subdev *unit;
- u32 intr, stat;
+ u32 intr;
nv_wr32(pmc, 0x000140, 0x00000000);
nv_rd32(pmc, 0x000140);
@@ -41,7 +41,11 @@ 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);
@@ -52,8 +56,6 @@ 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);
pm_runtime_mark_last_busy(&device->pdev->dev);