Hi, On 06/02/18 14:05, Peter Ujfalusi wrote: > Hi, > > Changes since v3: > - Moved the new normalize_zpos bool to be around another bools > - Extended the commit message for sti that the drm_atomic_helper_check() is > going to ask for async_update due to the legacy cursor usage. > > Changes since v2: > - Fixed commit messages (s/drm_device/drm_mode_config) > - Added ack from Benjamin Gaignard to drm/sti patch > > Changes since v1: > - normalize_zpos flag moved to drm_mode_config > - Added comment to note the side effect of normalization and updated the comment > for normalized_zpos in the header file as well. > - Added Acked-by from Daniel to patch 2-6 but not for patch 1 as I'm not sure if > the comments I have added matches with what is expected to be. > > The first patch is adding a flag to drm_device that drivers can set if they want > the zpos to be normalized. > > Then convert exynos, tegra, sti and rcar-du to use this flag instead of > re-implementing the drm_atomic_helper_check() locally just to add the call to > drm_atomic_normalize_zpos(). > > The last patch is moving omapdrm to use the zpos normalization as well to comply > with the UAPI documentation regarding to zpos. > > Laurent's note in an earlier thread: > https://marc.info/?l=dri-devel&m=151567355225029&w=2 > > "The problem is that zpos normalization requires accessing the state of all > enabled planes for a CRTC in order to compute (and store) the normalized zpos > values. This thus forces all planes to be added to the commit state, even when > the commit doesn't touch the zpos property. I assume this caused issues > (possibly performance issues) in drivers that then performed hardware setup of > all planes as a result." > > can be addressed later in the core for all users of drm_atomic_normalize_zpos() Thanks. I think this looks fine, I'll push via drm-misc. Tomi -- Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
