On Wed, Aug 3, 2016 at 11:39 PM, Michel Dänzer <michel@xxxxxxxxxxx> wrote: > The purpose of this series is to allow drivers to avoid unnecessarily > delaying page flips, by explicitly telling the driver which vblank seqno > a flip is supposed to take effect in. > > Patch 1 sets the target to the vblank seqno after the current one when > the DRM_IOCTL_MODE_PAGE_FLIP ioctl is called, preserving the ioctl > contract with existing userspace. > > Patches 2-4 take advantage of this in the amdgpu and radeon drivers, by > allowing a flip to be programmed and executed during the target vertical > blank period (or a later one). > > Patch 6 extends the ioctl with new flags, which allow userspace to > explicitly specify the target vblank seqno. This can also avoid delaying > flips in some cases where we are already in the target vertical blank > period when the ioctl is called. > > [PATCH 1/6] drm: Add page_flip_target CRTC hook > [PATCH 2/6] drm/amdgpu: Provide page_flip_target hook > [PATCH 3/6] drm/amdgpu: Set MASTER_UPDATE_MODE to 0 again > [PATCH 4/6] drm/radeon: Provide page_flip_target hook > [PATCH 5/6] drm/radeon: Set MASTER_UPDATE_MODE to 0 again > [PATCH 6/6] drm: Add DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE/RELATIVE Small comment on patch 1. The rest are: Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx> > _______________________________________________ > amd-gfx mailing list > amd-gfx@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/amd-gfx _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
