Re: [PATCH 1/4] drm/i915: add support for vga_switcheroo reprobe

[Ramkumar Ramachandra]

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?
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/