amdgpu/display/mpo-overview.rst

179 AMDGPU supports display MPO when using multiple displays; however, this feature
185 video playback in the middle of two displays, and it is up to the compositor to
197 documentation supposes an example where we have two displays and video playback
198 that will be moved around different displays.
204 the two displays, we need to use 2 pipes. See the example below where we avoid
208 - 2 displays (2 pipes) + MPO (1-2 pipes); we will use 4 pipes. MPO in the
209   middle of both displays needs 2 pipes.
210 - 3 Displays (3 pipes) + MPO (1-2 pipes), we need 5 pipes.
212 If we use MPO with multiple displays, the userspace has to decide to enable
213 multiple MPO by the price of limiting the number of external displays supported
214 or disable it in favor of multiple displays; it is a policy decision. For
217 * When ASIC has 3 pipes, AMD hardware can NOT support 2 displays with MPO
218 * When ASIC has 4 pipes, AMD hardware can NOT support 3 displays with MPO
226 - User lights up 2 displays (2 out of 3 pipes are used)
228 - Now, if the user moves the video in the middle of 2 displays, one part of the