Messages in this thread | | | From | Ramkumar Ramachandra <> | Date | Tue, 7 Jan 2014 16:23:44 +0530 | Subject | Re: [PATCH 1/4] drm/i915: add support for vga_switcheroo reprobe |
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Hi Chris,
Chris Wilson wrote: >> 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); >> +} > > switcheroo should be sending a hotplug notification, which should > trigger both this kernel listener and userspace.
If I understand correctly, switcheroo will send a hotplug notification when LVDS is connected to the i915 device, and trigger this reprobe function(), which in a later patch calls get-edid. Right?
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