diff options
| author | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-09-14 11:47:55 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-09-14 11:47:55 -0300 |
| commit | faac37cf5aafefe1012e80b7ca37419271e5fb3d (patch) | |
| tree | 8dc066effec4ce86487421aea76fd66a31a01707 /linux | |
| parent | 0e2b8e3813b0206ac4624d3c6ac4ad8ff05f17b5 (diff) | |
| download | mediapointer-dvb-s2-faac37cf5aafefe1012e80b7ca37419271e5fb3d.tar.gz mediapointer-dvb-s2-faac37cf5aafefe1012e80b7ca37419271e5fb3d.tar.bz2 | |
Zoran: Implement pcipci failure check
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
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 'linux')
| -rw-r--r-- | linux/drivers/media/video/zoran_card.c | 6 | ||||
| -rw-r--r-- | linux/drivers/media/video/zoran_driver.c | 7 |
2 files changed, 10 insertions, 3 deletions
diff --git a/linux/drivers/media/video/zoran_card.c b/linux/drivers/media/video/zoran_card.c index 6c28f478e..d929791ad 100644 --- a/linux/drivers/media/video/zoran_card.c +++ b/linux/drivers/media/video/zoran_card.c @@ -1624,10 +1624,10 @@ init_dc10_cards (void) dprintk(5, KERN_DEBUG "Jotti is een held!\n"); /* some mainboards might not do PCI-PCI data transfer well */ - if (pci_pci_problems & PCIPCI_FAIL) { + if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL|PCIPCI_ALIMAGIK)) { dprintk(1, KERN_WARNING - "%s: chipset may not support reliable PCI-PCI DMA\n", + "%s: chipset does not support reliable PCI-PCI DMA\n", ZORAN_NAME); } @@ -1635,7 +1635,7 @@ init_dc10_cards (void) for (i = 0; i < zoran_num; i++) { struct zoran *zr = &zoran[i]; - if (pci_pci_problems & PCIPCI_NATOMA && zr->revision <= 1) { + if ((pci_pci_problems & PCIPCI_NATOMA) && zr->revision <= 1) { zr->jpg_buffers.need_contiguous = 1; dprintk(1, KERN_INFO diff --git a/linux/drivers/media/video/zoran_driver.c b/linux/drivers/media/video/zoran_driver.c index e1e640c2c..2c282b9ef 100644 --- a/linux/drivers/media/video/zoran_driver.c +++ b/linux/drivers/media/video/zoran_driver.c @@ -1515,6 +1515,13 @@ 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; |