Nouveau has landed the GPU VA helpers, support and documentation already and Xe is already using the upstream GPU VA. Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> --- Documentation/gpu/rfc/xe.rst | 36 ++++++++++++++++++------------------ 1 file changed, 18 insertions(+), 18 deletions(-) diff --git a/Documentation/gpu/rfc/xe.rst b/Documentation/gpu/rfc/xe.rst index a115526c03e0..b67f8e6a1825 100644 --- a/Documentation/gpu/rfc/xe.rst +++ b/Documentation/gpu/rfc/xe.rst @@ -88,24 +88,6 @@ depend on any other patch touching drm_scheduler itself that was not yet merged through drm-misc. This, by itself, already includes the reach of an agreement for uniform 1 to 1 relationship implementation / usage across drivers. -GPU VA ------- -Two main goals of Xe are meeting together here: - -1) Have an uAPI that aligns with modern UMD needs. - -2) Early upstream engagement. - -RedHat engineers working on Nouveau proposed a new DRM feature to handle keeping -track of GPU virtual address mappings. This is still not merged upstream, but -this aligns very well with our goals and with our VM_BIND. The engagement with -upstream and the port of Xe towards GPUVA is already ongoing. - -As a key measurable result, Xe needs to be aligned with the GPU VA and working in -our tree. Missing Nouveau patches should *not* block Xe and any needed GPUVA -related patch should be independent and present on dri-devel or acked by -maintainers to go along with the first Xe pull request towards drm-next. - ASYNC VM_BIND ------------- Although having a common DRM level IOCTL for VM_BIND is not a requirement to get @@ -230,3 +212,21 @@ Xe merged, it is mandatory to enforce the overall locking scheme for all major structs and list (so vm and vma). So, a consensus is needed, and possibly some common helpers. If helpers are needed, they should be also documented in this document. + +GPU VA +------ +Two main goals of Xe are meeting together here: + +1) Have an uAPI that aligns with modern UMD needs. + +2) Early upstream engagement. + +RedHat engineers working on Nouveau proposed a new DRM feature to handle keeping +track of GPU virtual address mappings. This is still not merged upstream, but +this aligns very well with our goals and with our VM_BIND. The engagement with +upstream and the port of Xe towards GPUVA is already ongoing. + +As a key measurable result, Xe needs to be aligned with the GPU VA and working in +our tree. Missing Nouveau patches should *not* block Xe and any needed GPUVA +related patch should be independent and present on dri-devel or acked by +maintainers to go along with the first Xe pull request towards drm-next. -- 2.41.0
