On Mon, Jan 16, 2012 at 11:01:13PM +0000, Chris Wilson wrote: > Staring at an error state such as: > > PGTBL_ER: 0x00000400 > Display B: Invalid tiling > fence[0] = 05001001 > valid, x-tiled, pitch: 512, start: 0x05000000, size: 1048576 > Pinned [2]: > 00000000 131072 0001 0001 00000000 P uncached > 00020000 4096000 0041 0000 00000000 P uncached (name: 1) > Plane [1]: > CNTR: c0000000 # enabled | gamma > STRIDE: 00001400 > SIZE: 03ff04ff > POS: 00000000 > ADDR: 05000000 > > Suggests that we did not clear the DSPBCNTR prior to unpinning the > framebuffer and reusing the GTT space. Impossible! Unless our DPMS > bookkeeping ran afoul again... > > In the meantime add an assertion that the plane is decoupled from the > framebuffer prior to release. > > Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk> > Acked-by: Jesse Barnes <jbarnes at virtuousgeek.org> > Cc: Daniel Vetter <daniel at ffwll.ch> Queued for -next, thanks for the patch. -Daniel -- Daniel Vetter Mail: daniel at ffwll.ch Mobile: +41 (0)79 365 57 48
