Re: [PATCH v3 016/105] drm/vc4: plane: Improve LBM usage

2020-05-27 Thread Eric Anholt
On Wed, May 27, 2020 at 8:49 AM Maxime Ripard wrote: > > From: Dave Stevenson > > LBM allocations were always taking the worst case sizing of > max(src_width, dst_width) * 16. This is significantly over > the required sizing, and stops us rendering multiple 4k images > to the screen. > > Add

[PATCH v3 016/105] drm/vc4: plane: Improve LBM usage

2020-05-27 Thread Maxime Ripard
From: Dave Stevenson LBM allocations were always taking the worst case sizing of max(src_width, dst_width) * 16. This is significantly over the required sizing, and stops us rendering multiple 4k images to the screen. Add some of the additional constraints to more accurately describe the LBM