diff options
Diffstat (limited to 'drivers/radeon')
| -rw-r--r-- | drivers/radeon/radeonfb.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/radeon/radeonfb.c b/drivers/radeon/radeonfb.c index 69d29afb54..84fec539d7 100644 --- a/drivers/radeon/radeonfb.c +++ b/drivers/radeon/radeonfb.c @@ -1108,6 +1108,16 @@ static int radeonfb_pci_register (struct pci_dev *pdev, /* mem size is bits [28:0], mask off the rest */ rinfo->video_ram = tmp & CONFIG_MEMSIZE_MASK; + /* according to XFree86 4.2.0, some production M6's return + 0 for 8MB */ + if (rinfo->video_ram == 0 && + (pdev->device == PCI_DEVICE_ID_RADEON_LY || + pdev->device == PCI_DEVICE_ID_RADEON_LZ)) + { + rinfo->video_ram = 8192*1024; + printk("radeonfb: workarounding buggy Radeon M6 (0 vs 8MB memory)\n"); + } + /* ram type */ rinfo->MemCntl = INREG(MEM_SDRAM_MODE_REG); switch ((MEM_CFG_TYPE & rinfo->MemCntl) >> 30) { |