Hi, On Mo, 2025-01-20 at 08:58 +0100, Thomas Zimmermann wrote: > Hi > > > Am 18.01.25 um 03:37 schrieb Marek Olšák: > [...] > > > > 3) Implementing DRM_FORMAT_MOD_LINEAR as having 256B pitch and offset > > alignment. This is what we do today. Even if Intel and some AMD chips > > can do 64B or 128B alignment, they overalign to 256B. With so many > > AMD+NV laptops out there, NV is probably next, unless they already do > > this in the closed source driver. > > The dumb-buffer series currently being discussed on dri-devel also > touches handling of scanline pitches. THe actual value varies with each > driver. Should dumb buffers use a default pitch alignment of 256 on al > hardware? Not all, mxsfb for example doesn't support pitch alignment. regards Philipp
