Daniel Vetter <daniel@xxxxxxxx> writes: > Matching tiling modes is actually already a requirement on gen4+ (since > the tiling bit and the linear/tiled offset registers can't be changed with > a MI_DISPLAY_FLIP command). Async flip has a harder requirement -- you must use X tiling, both before and after the flip. Oh, and async flips require a 32KB aligned buffer, which I'm not actually checking for. Not sure how to > But atm we fail to check that in the common > code, so imo better to move that to there. > > We already check for matching strides in common code, so with the tile > check added we could drop this all here. I don't see a requirement for matching stride and tile parameter in the MI_DISPLAY_FLIP docs for synchronous operations, at least on DevGT+. Is the common code too restrictive? -- keith.packard@xxxxxxxxx
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