On Thu, 2018-05-31 at 12:35 +0100, Chris Wilson wrote: > On gen8 and onwards, we can mark GPU accesses through the ppGTT as being > read-only, that is cause any GPU write onto that page to be discarded > (not triggering a fault). This is all that we need to finally support > the read-only flag for userptr! > > Testcase: igt/gem_userptr_blits/readonly* > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > Cc: Jon Bloomfield <jon.bloomfield@xxxxxxxxx> > Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx> Please add clarification to the commit message that this expands uAPI (by supporting RO userptrs), so Rodrigo will notice to highlight for -next PR. Reviewed-by: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx> Regards, Joonas -- Joonas Lahtinen Open Source Technology Center Intel Corporation _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
