xfree86: allow fallback to PCI bus probe for graphics devices on non-seat0 X servers (#66851)
Currently non-seat0 X servers only probe platform bus for graphics devices, which is OK for most KMS-compliant drivers. However, for non-KMS drivers (like NVIDIA proprietary ones), graphics devices can't be reached by platform bus probe, resulting in a "No devices detected" error. This patch allows a fallback to PCI bus probe for non-seat0 X servers in case no platform bus graphics device is found. Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=66851 Signed-off-by: Laércio de Sousa <lbsousajr@gmail.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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@ -81,7 +81,7 @@ xf86CallDriverProbe(DriverPtr drv, Bool detect_only)
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if (drv->platformProbe != NULL) {
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foundScreen = xf86platformProbeDev(drv);
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}
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if (ServerIsNotSeat0())
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if (ServerIsNotSeat0() && foundScreen)
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return foundScreen;
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#endif
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@ -201,7 +201,7 @@ xf86BusProbe(void)
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{
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#ifdef XSERVER_PLATFORM_BUS
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xf86platformProbe();
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if (ServerIsNotSeat0())
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if (ServerIsNotSeat0() && xf86_num_platform_devices > 0)
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return;
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#endif
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#ifdef XSERVER_LIBPCIACCESS
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