[RFC PATCH 1/5] drm/i915: Add support for vga_switcheroo reprobe

[Seth Forshee <seth.forshee@canonical.com>]

From: Andreas Heider <andreas@meetr.de>

Signed-off-by: Andreas Heider <andreas@meetr.de>
---
 drivers/gpu/drm/i915/i915_dma.c |    8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 9cf7dfe..5b5176d 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1263,6 +1263,12 @@ static void i915_switcheroo_set_state(struct pci_dev *pdev, enum vga_switcheroo_
 	}
 }
 
+static void i915_switcheroo_reprobe(struct pci_dev *pdev)
+{
+	struct drm_device *dev = pci_get_drvdata(pdev);
+	intel_fb_output_poll_changed(dev);
+}
+
 static bool i915_switcheroo_can_switch(struct pci_dev *pdev)
 {
 	struct drm_device *dev = pci_get_drvdata(pdev);
@@ -1276,7 +1282,7 @@ static bool i915_switcheroo_can_switch(struct pci_dev *pdev)
 
 static const struct vga_switcheroo_client_ops i915_switcheroo_ops = {
 	.set_gpu_state = i915_switcheroo_set_state,
-	.reprobe = NULL,
+	.reprobe = i915_switcheroo_reprobe,
 	.can_switch = i915_switcheroo_can_switch,
 };
 
-- 
1.7.9.5