Control: tag -1 upstream patch
On Sun, Jan 6, 2013 at 16:57:35 +0100, olafBuddenhagen@gmx.net wrote:
> Package: xserver-xorg-video-mga
> Version: 1:1.5.0-2
> Severity: important
>
> Dear Maintainer,
>
> The check introduced in -2 to not start the driver when the g200se KMS
> module is active, is too broad: apparently it only checks whether the
> device is claimed by any other driver -- but that is also the case when
> matroxfb is active, which should *not* prevent mga from starting.
>
Please try this patch, let us know how it goes.
Cheers,
Julien
From: Julien Cristau <jcristau@debian.org>
Date: Mon, 7 Jan 2013 23:04:36 +0100
Subject: [PATCH] Restrict kernel driver matching to g200 server chips
Otherwise we might catch devices handled by matroxfb, not the mgag200
kms driver.
Debian bug#697532
Reported-by: olafBuddenhagen@gmx.net
Signed-off-by: Julien Cristau <jcristau@debian.org>
---
src/mga_driver.c | 20 ++++++++++++++------
1 file changed, 14 insertions(+), 6 deletions(-)
diff --git a/src/mga_driver.c b/src/mga_driver.c
index 61eb96c..b90c592 100644
--- a/src/mga_driver.c
+++ b/src/mga_driver.c
@@ -683,12 +683,20 @@ MGAPciProbe(DriverPtr drv, int entity_num, struct pci_device * dev,
#endif
if (pci_device_has_kernel_driver(dev)) {
- xf86DrvMsg(0, X_ERROR,
- "mga: The PCI device 0x%x at %2.2d@%2.2d:%2.2d:%1.1d has a kernel module claiming it.\n",
- dev->device_id, dev->bus, dev->domain, dev->dev, dev->func);
- xf86DrvMsg(0, X_ERROR,
- "mga: This driver cannot operate until it has been unloaded.\n");
- return FALSE;
+ switch (dev->device_id) {
+ case PCI_CHIP_MGAG200_SE_A_PCI:
+ case PCI_CHIP_MGAG200_SE_B_PCI:
+ case PCI_CHIP_MGAG200_EV_PCI:
+ case PCI_CHIP_MGAG200_ER_PCI:
+ case PCI_CHIP_MGAG200_WINBOND_PCI:
+ case PCI_CHIP_MGAG200_EH_PCI:
+ xf86DrvMsg(0, X_ERROR,
+ "mga: The PCI device 0x%x at %2.2d@%2.2d:%2.2d:%1.1d has a kernel module claiming it.\n",
+ dev->device_id, dev->bus, dev->domain, dev->dev, dev->func);
+ xf86DrvMsg(0, X_ERROR,
+ "mga: This driver cannot operate until it has been unloaded.\n");
+ return FALSE;
+ }
}
/* Allocate a ScrnInfoRec and claim the slot */
--
1.7.10.4
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