On Tue, 13 Dec 2016, Chris Wilson <chris at chris-wilson.co.uk> wrote: > On Tue, Dec 13, 2016 at 03:46:54PM +0530, Vidya Srinivas wrote: >> Currently in dual display connected boot scenarios, minimum of the >> resolutions >> is taken for fb width and height as reference. Based on this resolution, >> other >> modes are pruned. >> >> Example Scenario: If DSI mode is 2560x1440 and HDMI is 1920x1080, during the >> probing >> the fb width and height is set to max 1920x1080 and the DSI mode gets pruned >> as it is >> more than the reference. As a result, there is no DSI display. >> Patch fixes this issue by taking the max of the resolutions and creating the >> fb >> based on the same. > > On the other hand, the viewable content is defined by the smaller mode. > If that is the only output visible at panic time, you don't want that > information lost due to it being invisible. > > This is only used for fbcon, which has to be the lowest common > denominator. Any actual application can set their own modes and fb.
Do we fail to take over non-native modes with scaling on DSI then? Ville? BR, Jani. -- Jani Nikula, Intel Open Source Technology Center