On Mon, 18 Oct 2004 16:07:05 -0300, Austin Yuan <[EMAIL PROTECTED]> wrote: > On Tue, Oct 12, 2004 at 06:25:55PM -0300, [EMAIL PROTECTED] wrote: > > Because some chips(at least s3 DeltaChrome) can't use=20 > > system memory as DMA buffer(or vertex buffer),for pci card,we > > use video memory as dma/vertex buffer. Then whether is it reasonable > > to add a function like drm_addbufs_fb in linux-core/drm_bufs.c? > > > > Thanks! > > Austin > > > > > > --__--__-- > > The attached patch adds a new buffer type DRM_FB_BUFFER. It works like > AGP memory but uses frame buffer. I don't know why current DRM don't > use video memory as buffers. Our PCI chip can't use system buffer as > dma/vertex buffer,and it doesn't support driver interface to use system > buffer although hardware can access system memory as bus master. >
Austin, Post this in the freedesktop bugzilla under the DRI, that way it can be tracked and applied: http://freedesktop.org/bugzilla/enter_bug.cgi?product=DRI Alex > Austin > > > ------------------------------------------------------- This SF.net email is sponsored by: IT Product Guide on ITManagersJournal Use IT products in your business? Tell us what you think of them. Give us Your Opinions, Get Free ThinkGeek Gift Certificates! Click to find out more http://productguide.itmanagersjournal.com/guidepromo.tmpl -- _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/dri-devel
