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authorDave Airlie <airlied@redhat.com>2015-05-20 09:23:53 +0300
committerDave Airlie <airlied@redhat.com>2015-05-20 09:23:53 +0300
commitbdcddf95e82b1c4e370fc1196b1f4f50f775dab4 (patch)
treeef2af2b3faee1f8e8287ca45d265809f56fbd0f6 /drivers/gpu/drm/i915/i915_drv.c
parent91d9f9856f91c82ac6289a0fff65dd12cfa07e34 (diff)
parente26081808edadfd257c6c9d81014e3b25e9a6118 (diff)
downloadlinux-bdcddf95e82b1c4e370fc1196b1f4f50f775dab4.tar.xz
Backmerge v4.1-rc4 into into drm-next
We picked up a silent conflict in amdkfd with drm-fixes and drm-next, backmerge v4.1-rc5 and fix the conflicts Signed-off-by: Dave Airlie <airlied@redhat.com> Conflicts: drivers/gpu/drm/drm_irq.c
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.c')
-rw-r--r--drivers/gpu/drm/i915/i915_drv.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 6bb6c47db49f..51149fb75e96 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -734,6 +734,16 @@ static int i915_drm_resume(struct drm_device *dev)
intel_init_pch_refclk(dev);
drm_mode_config_reset(dev);
+ /*
+ * Interrupts have to be enabled before any batches are run. If not the
+ * GPU will hang. i915_gem_init_hw() will initiate batches to
+ * update/restore the context.
+ *
+ * Modeset enabling in intel_modeset_init_hw() also needs working
+ * interrupts.
+ */
+ intel_runtime_pm_enable_interrupts(dev_priv);
+
mutex_lock(&dev->struct_mutex);
if (i915_gem_init_hw(dev)) {
DRM_ERROR("failed to re-initialize GPU, declaring wedged!\n");
@@ -741,9 +751,6 @@ static int i915_drm_resume(struct drm_device *dev)
}
mutex_unlock(&dev->struct_mutex);
- /* We need working interrupts for modeset enabling ... */
- intel_runtime_pm_enable_interrupts(dev_priv);
-
intel_modeset_init_hw(dev);
spin_lock_irq(&dev_priv->irq_lock);