diff options
| author | Rob Clark <robdclark@gmail.com> | 2017-02-10 15:36:33 -0500 |
|---|---|---|
| committer | Rob Clark <robdclark@gmail.com> | 2017-04-08 06:59:31 -0400 |
| commit | eeb754746b140c5f55e6b25706a9142aa549b348 (patch) | |
| tree | 4cab1821b15e61aa59f1b4addef82c48560f2ed5 /drivers/gpu/drm/msm/adreno/adreno_gpu.c | |
| parent | c3c3ab199bdd5b39f0a16545f4205e20c03ba20f (diff) | |
| download | linux-eeb754746b140c5f55e6b25706a9142aa549b348.tar.bz2 | |
drm/msm/gpu: use pm-runtime
We need to use pm-runtime properly when IOMMU is using device_link() to
control it's own clocks.
Signed-off-by: Rob Clark <robdclark@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/msm/adreno/adreno_gpu.c')
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/adreno_gpu.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index 50e0f54f29d2..823f9dfe6db9 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -115,6 +115,9 @@ void adreno_recover(struct msm_gpu *gpu) struct drm_device *dev = gpu->dev; int ret; + // XXX pm-runtime?? we *need* the device to be off after this + // so maybe continuing to call ->pm_suspend/resume() is better? + gpu->funcs->pm_suspend(gpu); /* reset ringbuffer: */ @@ -127,13 +130,11 @@ void adreno_recover(struct msm_gpu *gpu) gpu->funcs->pm_resume(gpu); - disable_irq(gpu->irq); - ret = gpu->funcs->hw_init(gpu); + ret = msm_gpu_hw_init(gpu); if (ret) { dev_err(dev->dev, "gpu hw init failed: %d\n", ret); /* hmm, oh well? */ } - enable_irq(gpu->irq); } void adreno_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit, @@ -365,6 +366,10 @@ int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev, if (ret) return ret; + pm_runtime_set_autosuspend_delay(&pdev->dev, DRM_MSM_INACTIVE_PERIOD); + pm_runtime_use_autosuspend(&pdev->dev); + pm_runtime_enable(&pdev->dev); + ret = request_firmware(&adreno_gpu->pm4, adreno_gpu->info->pm4fw, drm->dev); if (ret) { dev_err(drm->dev, "failed to load %s PM4 firmware: %d\n", |