From a9ffe2a9833835b157a53dcc4d725f71426f55ff Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Fri, 10 Jan 2020 15:58:52 -0500 Subject: drm/amdgpu/debugfs: properly handle runtime pm If driver debugfs files are accessed, power up the GPU when necessary. Reviewed-by: Evan Quan Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c index e9efee04ca23..3c01252b1e0e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c @@ -741,10 +741,18 @@ static int amdgpu_debugfs_gpu_recover(struct seq_file *m, void *data) struct drm_info_node *node = (struct drm_info_node *) m->private; struct drm_device *dev = node->minor->dev; struct amdgpu_device *adev = dev->dev_private; + int r; + + r = pm_runtime_get_sync(dev->dev); + if (r < 0) + return 0; seq_printf(m, "gpu recover\n"); amdgpu_device_gpu_recover(adev, NULL); + pm_runtime_mark_last_busy(dev->dev); + pm_runtime_put_autosuspend(dev->dev); + return 0; } -- cgit v1.2.3