On 08/12/16 03:01, Benjamin Herrenschmidt wrote: > On Wed, 2016-11-23 at 10:03 +0200, Tomi Valkeinen wrote: >> Hi, >> >> Since the fbdev framework is in maintenance mode and all new display drivers >> should be made with the DRM framework, remove the fbdev drivers from staging. >> >> Note: the patches are created with git format-patch -D, so they can't be >> applied. Only for review. > > I missed the discussion where this decision was made, I admit I am > unimpressed by it. > > DRM drivers don't strike me as suitable for small/slow cores with dumb > framebuffers or simple 2D only accel, such as the one found in the ASpeed > BMCs. Then the DRM framework should be improved to be suitable. > With drmfb you basically have to shadow everything into memory & copy > over everything, and locks you out of simple 2D accel. For a simple text > console the result is orders of magnitude slower and memory hungry than > a simple fbdev. I don't think that's true. You can have a single fbdev buffer and blit there all you want, afaik. > Not everything has a powerful 3D GPU. We don't use GPU on OMAPs (except for 3D). Tomi
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