Merge branch 'linux-4.10' of git://github.com/skeggsb/linux into drm-next

- GP102/GP104 devinit (suspend/resume, optimus) hang fix
- GP102/GP104 hardware cursor fix
- Fix for a regression on some non-MST monitors that was caused by the
MST work
- Workaround for certain laptops where ACPI sends display hotkey presses
on a modeset, causing gnome-settings-daemon to go into a continuous loop

* 'linux-4.10' of git://github.com/skeggsb/linux:
  drm/nouveau/disp/gp102: rename from gp104
  drm/nouveau/ce/gp102: rename from gp104
  drm/nouveau/fb/gp102: rename from gp104
  drm/nouveau/disp/gp102: fix cursor/overlay immediate channel indices
  drm/nouveau/disp/nv50-: specify ctrl/user separately when constructing classes
  drm/nouveau/disp/nv50-: split chid into chid.ctrl and chid.user
  drm/nouveau: Intercept ACPI_VIDEO_NOTIFY_PROBE
  drm/nouveau/devinit/gm200: drop pmu reset sequence
  drm/nouveau/devinit/gm200: replace while loops with PTIMER-based timeout loops
  drm/nouveau/pmu/gp102: initial implementation
  drm/nouveau/pmu/gp100: initial implementation
  drm/nouveau/pmu: execute reset before running devinit
  drm/nouveau/pmu: move ucode handling into gt215 implementation
  drm/nouveau/core: initial support for GP102
  drm/nouveau/device/pci: fix oops if no mmu subdev present
  drm/nouveau/kms/nv50: avoid touching DP_MSTM_CTRL if !DP_MST_CAP

1 files changed, 60 insertions, 1 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index 5698687bc197..bd37ae127582 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -24,6 +24,7 @@
  *
  */
 
+#include <acpi/video.h>
 #include <drm/drmP.h>
 #include <drm/drm_atomic.h>
 #include <drm/drm_atomic_helper.h>
@@ -348,6 +349,55 @@ static struct nouveau_drm_prop_enum_list dither_depth[] = {
 	}                                                                      \
 } while(0)
 
+#ifdef CONFIG_ACPI
+
+/*
+ * Hans de Goede: This define belongs in acpi/video.h, I've submitted a patch
+ * to the acpi subsys to move it there from drivers/acpi/acpi_video.c .
+ * This should be dropped once that is merged.
+ */
+#ifndef ACPI_VIDEO_NOTIFY_PROBE
+#define ACPI_VIDEO_NOTIFY_PROBE			0x81
+#endif
+
+static void
+nouveau_display_acpi_work(struct work_struct *work)
+{
+	struct nouveau_drm *drm = container_of(work, typeof(*drm), acpi_work);
+
+	pm_runtime_get_sync(drm->dev->dev);
+
+	drm_helper_hpd_irq_event(drm->dev);
+
+	pm_runtime_mark_last_busy(drm->dev->dev);
+	pm_runtime_put_sync(drm->dev->dev);
+}
+
+static int
+nouveau_display_acpi_ntfy(struct notifier_block *nb, unsigned long val,
+			  void *data)
+{
+	struct nouveau_drm *drm = container_of(nb, typeof(*drm), acpi_nb);
+	struct acpi_bus_event *info = data;
+
+	if (!strcmp(info->device_class, ACPI_VIDEO_CLASS)) {
+		if (info->type == ACPI_VIDEO_NOTIFY_PROBE) {
+			/*
+			 * This may be the only indication we receive of a
+			 * connector hotplug on a runtime suspended GPU,
+			 * schedule acpi_work to check.
+			 */
+			schedule_work(&drm->acpi_work);
+
+			/* acpi-video should not generate keypresses for this */
+			return NOTIFY_BAD;
+		}
+	}
+
+	return NOTIFY_DONE;
+}
+#endif
+
 int
 nouveau_display_init(struct drm_device *dev)
 {
@@ -488,7 +538,7 @@ nouveau_display_create(struct drm_device *dev)
 
 	if (nouveau_modeset != 2 && drm->vbios.dcb.entries) {
 		static const u16 oclass[] = {
-			GP104_DISP,
+			GP102_DISP,
 			GP100_DISP,
 			GM200_DISP,
 			GM107_DISP,
@@ -532,6 +582,12 @@ nouveau_display_create(struct drm_device *dev)
 	}
 
 	nouveau_backlight_init(dev);
+#ifdef CONFIG_ACPI
+	INIT_WORK(&drm->acpi_work, nouveau_display_acpi_work);
+	drm->acpi_nb.notifier_call = nouveau_display_acpi_ntfy;
+	register_acpi_notifier(&drm->acpi_nb);
+#endif
+
 	return 0;
 
 vblank_err:
@@ -547,6 +603,9 @@ nouveau_display_destroy(struct drm_device *dev)
 {
 	struct nouveau_display *disp = nouveau_display(dev);
 
+#ifdef CONFIG_ACPI
+	unregister_acpi_notifier(&nouveau_drm(dev)->acpi_nb);
+#endif
 	nouveau_backlight_exit(dev);
 	nouveau_display_vblank_fini(dev);