diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/alp_driver.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/src/alp_driver.c b/src/alp_driver.c index ba55247..01e05dc 100644 --- a/src/alp_driver.c +++ b/src/alp_driver.c @@ -466,6 +466,7 @@ AlpPreInit(ScrnInfoPtr pScrn, int flags) vgaHWPtr hwp; MessageType from, from1; int i; + int defaultdepth; int depth_flags; ClockRangePtr clockRanges; char *s; @@ -551,11 +552,23 @@ AlpPreInit(ScrnInfoPtr pScrn, int flags) depth_flags |= Support32bppFb | SupportConvert32to24 | PreferConvert32to24; + + /* use 16bpp in virt and on XenSource */ + #ifndef PCI_CHIP_QEMU + #define PCI_CHIP_QEMU 0x1af4 + #endif + #define PCI_CHIP_XENSOURCE 0x5853 + if (((pCir->PciInfo->subvendor_id & 0xffff) == PCI_CHIP_QEMU) || + ((pCir->PciInfo->subvendor_id & 0xffff) == PCI_CHIP_XENSOURCE)) + defaultdepth = 16; + else + defaultdepth = 24; + /* * The first thing we should figure out is the depth, bpp, etc. * We support both 24bpp and 32bpp layouts, so indicate that. */ - if (!xf86SetDepthBpp(pScrn, 0, 0, 24, depth_flags)) { + if (!xf86SetDepthBpp(pScrn, 0, 0, defaultdepth, depth_flags)) { return FALSE; } else { /* Check that the returned depth is one we support */ |