diff options
| author | Hang Yuan <hang.yuan@linux.intel.com> | 2018-08-29 17:15:56 +0800 |
|---|---|---|
| committer | Zhenyu Wang <zhenyuw@linux.intel.com> | 2018-08-30 12:54:32 +0800 |
| commit | b2b599fb54f90ae395ddc51f0d49e4f28244a8f8 (patch) | |
| tree | 203bdb7cd72ab203716a90b6bc8f8c7fa71f351e /drivers/gpu/drm/i915/gvt/mmio_context.c | |
| parent | b9b824a55876275f8506c1c187558ab22d879f73 (diff) | |
drm/i915/gvt: move intel_runtime_pm_get out of spin_lock in stop_schedule
pm_runtime_get_sync in intel_runtime_pm_get might sleep if i915
device is not active. When stop vgpu schedule, the device may be
inactive. So need to move runtime_pm_get out of spin_lock/unlock.
Fixes: b24881e0b0b6("drm/i915/gvt: Add runtime_pm_get/put into gvt_switch_mmio
Cc: <stable@vger.kernel.org>
Signed-off-by: Hang Yuan <hang.yuan@linux.intel.com>
Signed-off-by: Xiong Zhang <xiong.y.zhang@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/mmio_context.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/mmio_context.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/gvt/mmio_context.c b/drivers/gpu/drm/i915/gvt/mmio_context.c index 42e1e6bdcc2c..e872f4847fbe 100644 --- a/drivers/gpu/drm/i915/gvt/mmio_context.c +++ b/drivers/gpu/drm/i915/gvt/mmio_context.c @@ -562,11 +562,9 @@ void intel_gvt_switch_mmio(struct intel_vgpu *pre, * performace for batch mmio read/write, so we need * handle forcewake mannually. */ - intel_runtime_pm_get(dev_priv); intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL); switch_mmio(pre, next, ring_id); intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); - intel_runtime_pm_put(dev_priv); } /** |