On Fri, Jun 14, 2024 at 12:35:27PM GMT, André Almeida wrote: > AMD hardware can do async flips with overlay planes, but currently there's no > easy way to enable that in DRM. To solve that, this patchset creates a new > drm_plane field, bool async_flip, that allows drivers to choose which plane can > or cannot do async flips. This is latter used on drm_atomic_set_property when > users want to do async flips. > > Patch 1 allows async commits with IN_FENCE_ID in any driver. > > Patches 2 to 7 have no function change. As per current code, every driver that > allows async page flips using the atomic API, allows doing it only in the > primary plane. Those patches then enable it for every driver. > > Patch 8 finally enables async flip on overlay planes for amdgpu. > > Changes from v5: > - Instead of enabling plane->async_flip in the common code, move it to driver > code. > - Enable primary plane async flip on every driver > https://lore.kernel.org/dri-devel/20240612193713.167448-1-andrealmeid@xxxxxxxxxx/ > > André Almeida (8): > drm/atomic: Allow userspace to use explicit sync with atomic async > flips > drm: Support per-plane async flip configuration > drm/amdgpu: Enable async flips on the primary plane > drm: atmel-hlcdc: Enable async flips on the primary plane > drm/i915: Enable async flips on the primary plane > drm/nouveau: Enable async flips on the primary plane > drm/vc4: Enable async flips on the primary plane > drm/amdgpu: Make it possible to async flip overlay planes > > drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c | 2 ++ > drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c | 3 +++ > drivers/gpu/drm/drm_atomic_uapi.c | 8 +++++--- > drivers/gpu/drm/i915/display/i9xx_plane.c | 3 +++ > drivers/gpu/drm/nouveau/dispnv04/crtc.c | 4 ++++ > drivers/gpu/drm/nouveau/dispnv50/wndw.c | 4 ++++ > drivers/gpu/drm/vc4/vc4_plane.c | 4 +++- The main question is why only these drivers were updated. > include/drm/drm_plane.h | 5 +++++ > 8 files changed, 29 insertions(+), 4 deletions(-) > > -- > 2.45.2 > -- With best wishes Dmitry
