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path: root/drivers/media/video/zoran_driver.c
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Diffstat (limited to 'drivers/media/video/zoran_driver.c')
-rw-r--r--drivers/media/video/zoran_driver.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/media/video/zoran_driver.c b/drivers/media/video/zoran_driver.c
index 5f90db27892b..862a984c2155 100644
--- a/drivers/media/video/zoran_driver.c
+++ b/drivers/media/video/zoran_driver.c
@@ -1512,6 +1512,13 @@ setup_fbuffer (struct file *file,
if (!capable(CAP_SYS_ADMIN) && !capable(CAP_SYS_RAWIO))
return -EPERM;
+ /* Don't allow frame buffer overlay if PCI or AGP is buggy, or on
+ ALi Magik (that needs very low latency while the card needs a
+ higher value always) */
+
+ if (pci_pci_problems & (PCIPCI_FAIL | PCIAGP_FAIL | PCIPCI_ALIMAGIK))
+ return -ENXIO;
+
/* we need a bytesperline value, even if not given */
if (!bytesperline)
bytesperline = width * ((fmt->depth + 7) & ~7) / 8;