diff options
| author | Alan Cox <alan@lxorguk.ukuu.org.uk> | 2006-09-14 11:47:55 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-09-26 12:30:36 -0300 |
| commit | e355880b838c80ff53e6386a1caad10e6f719259 (patch) | |
| tree | bb9400b4f6dc2d994bf4d428b2ec6c617af1f52f /drivers/media/video/zoran_driver.c | |
| parent | d7e7a1567894146ca6c9442c824dded4f0f48dde (diff) | |
V4L/DVB (4632): Zoran: Implement pcipci failure check
We should be doing this on all devices doing PCI<->PCI DMA. We only set
the _FAIL ones when the DMA will fail or may cause crashes. This relies
on the PCIAGP_FAIL patch I sent to Andrew already
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/zoran_driver.c')
| -rw-r--r-- | drivers/media/video/zoran_driver.c | 7 |
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; |