Re: [Dri-devel] RFC: More flexible and general purpose DRM DMA engine.

2002-12-16 Thread José Fonseca
On Mon, Dec 16, 2002 at 12:49:27PM -0800, Linus Torvalds wrote: > > On Mon, 16 Dec 2002, Keith Whitwell wrote: > > > > > > 1) Provide a set of DRM APIs for PCI DMA buffers allocation. No > > > assumption about the buffer management is made and that is entirely left > > > to the DRM driver (which

Re: [Dri-devel] RFC: More flexible and general purpose DRM DMA engine.

2002-12-16 Thread José Fonseca
On Mon, Dec 16, 2002 at 08:09:28PM +, Keith Whitwell wrote: > José Fonseca wrote: [...] > What's important to see is that buffers are three things: > 1) a memory management system > 2) a hardware synchronization device > 3) a mechanism for submitting commands to hardware > >

Re: [Dri-devel] RFC: More flexible and general purpose DRM DMA engine.

2002-12-16 Thread Keith Whitwell
José Fonseca wrote: This a proposal to give a more flexible approach to the current DRM's generic DMA engine. The current engine is described at http://dri.sourceforge.net/doc/drm_low_level.html, section 2, item 3, which I include here for your convenience: 1. The X server can specify multiple

[Dri-devel] RFC: More flexible and general purpose DRM DMA engine.

2002-12-16 Thread José Fonseca
This a proposal to give a more flexible approach to the current DRM's generic DMA engine. The current engine is described at http://dri.sourceforge.net/doc/drm_low_level.html, section 2, item 3, which I include here for your convenience: 1. The X server can specify multiple pools of different s