diff options
| author | Rob Clark <robdclark@gmail.com> | 2017-02-10 15:36:33 -0500 |
|---|---|---|
| committer | Sushmita Susheelendra <ssusheel@codeaurora.org> | 2017-09-07 15:02:35 -0600 |
| commit | d223bc2236d8b919d46e2dbf5043bade76c91abc (patch) | |
| tree | d5f71fc20c88f0c561ab87292936d99d0fe8ac7e /drivers/gpu/drm/msm/msm_drv.c | |
| parent | aa450b1d93dbc7cb7b069d3f2672c4889a5b0c58 (diff) | |
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.
Change-Id: I7c5668e6a0fcfc2d4664355e49c49d4dcb26323e
Signed-off-by: Rob Clark <robdclark@gmail.com>
Git-commit: eeb754746b140c5f55e6b25706a9142aa549b348
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
[ssusheel@codeaurora.org: fix some merge conflicts]
Signed-off-by: Sushmita Susheelendra <ssusheel@codeaurora.org>
Diffstat (limited to 'drivers/gpu/drm/msm/msm_drv.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_drv.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index 969af4c6f0c0..83b34a071ced 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -280,6 +280,10 @@ static int msm_unload(struct drm_device *dev) if (gpu) { mutex_lock(&dev->struct_mutex); + /* + * XXX what do we do here? + * pm_runtime_enable(&pdev->dev); + */ gpu->funcs->pm_suspend(gpu); mutex_unlock(&dev->struct_mutex); gpu->funcs->destroy(gpu); @@ -906,7 +910,9 @@ static int msm_gpu_show(struct drm_device *dev, struct seq_file *m) if (gpu) { seq_printf(m, "%s Status:\n", gpu->name); + pm_runtime_get_sync(&gpu->pdev->dev); gpu->funcs->show(gpu, m); + pm_runtime_put_sync(&gpu->pdev->dev); } return 0; |