On Thu, Sep 29, 2022 at 06:43:15PM +0000, Simon Ser wrote: > This series adds support for DRM_MODE_PAGE_FLIP_ASYNC for atomic > commits, aka. "immediate flip" (which might result in tearing). > The feature was only available via the legacy uAPI, however for > gaming use-cases it may be desirable to enable it via the atomic > uAPI too. > > - Patchwork: https://patchwork.freedesktop.org/series/107683/ > - User-space patch: https://github.com/Plagman/gamescope/pull/595 > - IGT patch: https://patchwork.freedesktop.org/series/107681/ So no tests that actually verify that the kernel properly rejects stuff stuff like modesets, gamma LUT updates, plane movement, etc.? > > Main changes in v2: add docs, fail atomic commit if async flip isn't > possible. > > Changes in v3: add a note in the documentation about Intel hardware, > add R-b tags. > > Tested on an AMD Picasso iGPU (Simon) and an AMD Vangogh GPU (André). > > Simon Ser (6): > drm: document DRM_MODE_PAGE_FLIP_ASYNC > amd/display: only accept async flips for fast updates > drm: introduce drm_mode_config.atomic_async_page_flip_not_supported > drm: allow DRM_MODE_PAGE_FLIP_ASYNC for atomic commits > drm: introduce DRM_CAP_ATOMIC_ASYNC_PAGE_FLIP > amd/display: indicate support for atomic async page-flips on DC > > .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 8 ++++++ > .../amd/display/amdgpu_dm/amdgpu_dm_crtc.c | 10 +++++++ > drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c | 1 + > drivers/gpu/drm/drm_atomic_uapi.c | 28 +++++++++++++++++-- > drivers/gpu/drm/drm_ioctl.c | 5 ++++ > drivers/gpu/drm/i915/display/intel_display.c | 1 + > drivers/gpu/drm/nouveau/nouveau_display.c | 1 + > drivers/gpu/drm/vc4/vc4_kms.c | 1 + > include/drm/drm_mode_config.h | 11 ++++++++ > include/uapi/drm/drm.h | 10 ++++++- > include/uapi/drm/drm_mode.h | 16 +++++++++++ > 11 files changed, 88 insertions(+), 4 deletions(-) > > -- > 2.37.3 > -- Ville Syrjälä Intel
