[PATCH v2 0/6] Add support for atomic async page-flips
André Almeida
andrealmeid at igalia.com
Thu Sep 22 14:16:09 UTC 2022
Hi Simon,
On 8/30/22 14:29, 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.
>
> - v1: https://patchwork.freedesktop.org/series/107683/
> - User-space patch: https://github.com/Plagman/gamescope/pull/595
> - IGT patch: https://patchwork.freedesktop.org/series/107681/
>
> Main changes in v2: add docs, fail atomic commit if async flip isn't
> possible.
>
> Tested on an AMD Picasso iGPU.
>
I tested on an AMD vangogh GPU and worked with the IGT tests.
This series is Reviewed-by: André Almeida <andrealmeid at igalia.com>
> Simon Ser (6):
> amd/display: only accept async flips for fast updates
> drm: document DRM_MODE_PAGE_FLIP_ASYNC
> 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 | 11 ++++++++
> 11 files changed, 83 insertions(+), 4 deletions(-)
>
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