diff options
| author | Jesse Barnes <jbarnes@virtuousgeek.org> | 2013-03-26 09:25:45 -0700 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-03-26 21:37:50 +0100 |
| commit | 24576d23976746cb52e7700c4cadbf4bc1bc3472 (patch) | |
| tree | e9d45a5b59367ab9df132f101de3868ef6f6be0c /drivers/gpu/drm/i915/i915_drv.c | |
| parent | b5644d0554f37016763f615bd65cd68af96aa509 (diff) | |
drm/i915: enable VT switchless resume v3
With the other bits in place, we can do this safely.
v2: disable backlight on suspend to prevent premature enablement on resume
v3: disable CRTCs on suspend to allow RTD3 (Kristen)
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 6c4b13c0ee7..bf57e1cc88b 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -458,6 +458,7 @@ bool i915_semaphore_is_enabled(struct drm_device *dev) static int i915_drm_freeze(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_crtc *crtc; /* ignore lid events during suspend */ mutex_lock(&dev_priv->modeset_restore_lock); @@ -481,10 +482,14 @@ static int i915_drm_freeze(struct drm_device *dev) cancel_delayed_work_sync(&dev_priv->rps.delayed_resume_work); - intel_modeset_disable(dev); - drm_irq_uninstall(dev); dev_priv->enable_hotplug_processing = false; + /* + * Disable CRTCs directly since we want to preserve sw state + * for _thaw. + */ + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) + dev_priv->display.crtc_disable(crtc); } i915_save_state(dev); @@ -562,7 +567,10 @@ static int __i915_drm_thaw(struct drm_device *dev) drm_irq_install(dev); intel_modeset_init_hw(dev); - intel_modeset_setup_hw_state(dev, false); + + drm_modeset_lock_all(dev); + intel_modeset_setup_hw_state(dev, true); + drm_modeset_unlock_all(dev); /* * ... but also need to make sure that hotplug processing |