linux-kernel - [PATCH v2 1/4] drm/i915: add support for vga

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Date:	Tue,  7 Jan 2014 20:24:29 +0530
From:	Ramkumar Ramachandra <artagnon@...il.com>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	Andreas Heider <andreas@...tr.de>,
	Seth Forshee <seth.forshee@...onical.com>
Subject: [PATCH v2 1/4] drm/i915: add support for vga_switcheroo reprobe

Cc: Andreas Heider <andreas@...tr.de>
Cc: Seth Forshee <seth.forshee@...onical.com>
Original-patch-by: Andreas Heider <andreas@...tr.de>
Signed-off-by: Ramkumar Ramachandra <artagnon@...il.com>
---
 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 5c64842..336a835b 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1265,6 +1265,12 @@ 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_fbdev_output_poll_changed(dev);
+}
+
 static bool i915_switcheroo_can_switch(struct pci_dev *pdev)
 {
 	struct drm_device *dev = pci_get_drvdata(pdev);
@@ -1278,7 +1284,7 @@ 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,
 };
 
-- 
1.8.5.2.229.g4448466

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