This patch fixed a timing issue that causes a GPU hang when a the system comes out of power saving.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=89600 Signed-off-by: Peter Antoine <peter.anto...@intel.com> --- drivers/gpu/drm/i915/i915_drv.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index e70adfd..648866f 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -712,6 +712,11 @@ static int i915_drm_resume(struct drm_device *dev) intel_init_pch_refclk(dev); drm_mode_config_reset(dev); + /* We need working interrupts for modeset enabling ... */ + intel_runtime_pm_enable_interrupts(dev_priv); + + intel_modeset_init_hw(dev); + mutex_lock(&dev->struct_mutex); if (i915_gem_init_hw(dev)) { DRM_ERROR("failed to re-initialize GPU, declaring wedged!\n"); @@ -719,11 +724,6 @@ 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); if (dev_priv->display.hpd_irq_setup) dev_priv->display.hpd_irq_setup(dev); -- 1.9.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
