search for: wait_for_pmu_reply

...b/drm/nouveau/nvkm/subdev/pmu/base.c index 6b2007f..fafbe2a 100644 --- a/drm/nouveau/nvkm/subdev/pmu/base.c +++ b/drm/nouveau/nvkm/subdev/pmu/base.c @@ -43,6 +43,41 @@ nvkm_pmu_handle_reclk_request(struct work_struct *work) nvkm_clk_pmu_reclk_request(clk, pmu->intr.data[0]); } +static int +wait_for_pmu_reply(struct nvkm_pmu *pmu, u32 reply[2]) +{ + struct nvkm_subdev *subdev = &pmu->subdev; + struct nvkm_device *device = subdev->device; + unsigned long jiffies = msecs_to_jiffies(1000); + + if (!wait_event_timeout(pmu->recv.wait, (pmu->recv.process == 0), jiffies)) { + u32 addr = nvkm_r...

...b/drm/nouveau/nvkm/subdev/pmu/base.c index 6b2007f..81a5583 100644 --- a/drm/nouveau/nvkm/subdev/pmu/base.c +++ b/drm/nouveau/nvkm/subdev/pmu/base.c @@ -43,6 +43,34 @@ nvkm_pmu_handle_reclk_request(struct work_struct *work) nvkm_clk_pmu_reclk_request(clk, pmu->intr.data[0]); } +static int +wait_for_pmu_reply(struct nvkm_pmu *pmu, u32 reply[2]) +{ + struct nvkm_subdev *subdev = &pmu->subdev; + struct nvkm_device *device = subdev->device; + unsigned long jiffies = msecs_to_jiffies(1000); + + if (!wait_event_timeout(pmu->recv.wait, (pmu->recv.process == 0), jiffies)) { + u32 addr = nvkm_r...

Both patches should make the communicating with the PMU more stable. Karol Herbst (2): pmu: fix queued messages while getting no IRQ pmu: be more strict about locking drm/nouveau/nvkm/subdev/pmu/base.c | 49 ++++++++++++++++++++++++++++++++------ 1 file changed, 42 insertions(+), 7 deletions(-) -- 2.7.2

reworked this series quite a lot. Now we want the Host to configure the counters through the PMU. The series isn't complete though because it needs: 1. reordering 2. better commit messages but I felt like sending those out before doing a final version. I also found some weird register overwriting issue on the PMU I have to track down, because it interfers with the counter read out. I am