This series increases the limit of the GPFIFO ring buffer to 32768 entries on Maxwell and later.
This allows up to 16382 entries to be used by userspace instead of the previously 510 entries and should help having more pushbuffers in flight. Signed-off-by: Mary Guillemard <[email protected]> --- Mary Guillemard (3): drm/nouveau/chan: Store channel allocation details in nouveau_channel drm/nouveau: Unify GPFIFO ring buffer max count query drm/nouveau: Increase GPFIFO ring buffer size on Maxwell+ drivers/gpu/drm/nouveau/nouveau_abi16.c | 37 +++++++++++++++++++++++++++------ drivers/gpu/drm/nouveau/nouveau_chan.c | 23 ++++++++++++-------- drivers/gpu/drm/nouveau/nouveau_chan.h | 19 +++++++++++++++++ drivers/gpu/drm/nouveau/nouveau_dma.h | 3 --- 4 files changed, 64 insertions(+), 18 deletions(-) --- base-commit: 0244539f9a4f3b564604dfe4d639f61cecec381a change-id: 20260109-nouveau-gpfifo-increase-da3e9a85efdd Best regards, -- Mary Guillemard <[email protected]>
