On Tue, 21 Oct 2014 16:49:12 +0200 Daniel Vetter <daniel@xxxxxxxx> wrote: > On Thu, Oct 09, 2014 at 12:57:43PM -0700, Jesse Barnes wrote: > > Some machines (like MBAs) might use a tiled framebuffer but not > > enable display swizzling at boot time. We want to preserve that > > configuration if possible to prevent a boot time mode set. On IVB+ > > it shouldn't affect performance anyway since the memory controller > > does internal swizzling anyway. > > > > For most other configs we'll be able to enable swizzling at boot > > time, since the initial framebuffer won't be tiled, thus we won't > > see any corruption when we enable it. > > > > v2: preserve swizzling if BIOS had it set (Daniel) > > v3: preserve swizzling only if we inherited a tiled framebuffer > > (Daniel) check display swizzle setting in detect_bit_6_swizzle > > (Daniel) use gen6 as cutoff point (Daniel) > > v4: fixup swizzle preserve again, had wrong init order (Daniel) > > > > Reported-by: Kristian Høgsberg <hoegsberg@xxxxxxxxx> > > Signed-off-by: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx> > > lgtm. Queued for -next, thanks for the patch. Can you pick up the SSC one too (earlier in this thread)? I applied Jani's requested change which should address your concerns about the BIOS and kernel disagreeing. I'll ping Kristian again about the not-quite-preferred mode on his MBA. Thanks, Jesse _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
