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Diffstat (limited to 'Documentation/gpu/todo.rst')
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diff --git a/Documentation/gpu/todo.rst b/Documentation/gpu/todo.rst index 85bbe05436..41a264bf84 100644 --- a/Documentation/gpu/todo.rst +++ b/Documentation/gpu/todo.rst @@ -620,6 +620,23 @@ Contact: Javier Martinez Canillas <javierm@redhat.com> Level: Intermediate +Clean up and document former selftests suites +--------------------------------------------- + +Some KUnit test suites (drm_buddy, drm_cmdline_parser, drm_damage_helper, +drm_format, drm_framebuffer, drm_dp_mst_helper, drm_mm, drm_plane_helper and +drm_rect) are former selftests suites that have been converted over when KUnit +was first introduced. + +These suites were fairly undocumented, and with different goals than what unit +tests can be. Trying to identify what each test in these suites actually test +for, whether that makes sense for a unit test, and either remove it if it +doesn't or document it if it does would be of great help. + +Contact: Maxime Ripard <mripard@kernel.org> + +Level: Intermediate + Enable trinity for DRM ---------------------- @@ -764,6 +781,29 @@ Contact: Hans de Goede Level: Advanced +Buffer age or other damage accumulation algorithm for buffer damage +=================================================================== + +Drivers that do per-buffer uploads, need a buffer damage handling (rather than +frame damage like drivers that do per-plane or per-CRTC uploads), but there is +no support to get the buffer age or any other damage accumulation algorithm. + +For this reason, the damage helpers just fallback to a full plane update if the +framebuffer attached to a plane has changed since the last page-flip. Drivers +set &drm_plane_state.ignore_damage_clips to true as indication to +drm_atomic_helper_damage_iter_init() and drm_atomic_helper_damage_iter_next() +helpers that the damage clips should be ignored. + +This should be improved to get damage tracking properly working on drivers that +do per-buffer uploads. + +More information about damage tracking and references to learning materials can +be found in :ref:`damage_tracking_properties`. + +Contact: Javier Martinez Canillas <javierm@redhat.com> + +Level: Advanced + Outside DRM =========== |