diff options
| -rw-r--r-- | src/radeon_driver.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/radeon_driver.c b/src/radeon_driver.c index 4e0dcf98..c726f8fe 100644 --- a/src/radeon_driver.c +++ b/src/radeon_driver.c @@ -1364,11 +1364,14 @@ static void RADEONInitMemoryMap(ScrnInfoPtr pScrn) /* don't map the whole FB in the internal address space. * we don't currently use fb space larger than the aperture - * size and on cards with 1 GB of vram, this can overflow + * size and on cards with more than 512 MB of vram, this can overflow * the internal top of gart calculation on some systems. + * Limit it to cards with more than 512 MB as this causes problems + * on some other cards due to the way the ddx and drm set up the + * internal memory map. * See fdo bug 24301. */ - if (mem_size > aper_size) + if (mem_size > 0x20000000) mem_size = aper_size; #ifdef XF86DRI |