[Bug 103025] [GM45] loss of driver acceleration after some time

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103025

--- Comment #33 from Adric Blake <promarbler14 at gmail.com> ---
Line number information for the backtrace, since I compiled the driver on a
different system:

0x432f7 is in kgem_create_2d (kgem.c:5809).
5804                                    bo->delta = 0;
5805                                    DBG(("  1:from active: pitch=%d,
tiling=%d, handle=%d, id=%d\n",
5806                                         bo->pitch, bo->tiling, bo->handle,
bo->unique_id));
5807                                   
assert(bo->pitch*kgem_aligned_height(kgem, height, bo->tiling) <=
kgem_bo_size(bo));
5808                                    assert_tiling(kgem, bo);

(gdb) list *sna_pixmap_alloc_gpu+0xe7
0x5565f is in sna_pixmap_alloc_gpu (sna_accel.c:1693).
1688            } else
1689                    tiling = sna_pixmap_default_tiling(sna, pixmap);
1690    
1691            DBG(("%s: pixmap=%ld\n", __FUNCTION__,
pixmap->drawable.serialNumber));
1692    
1693            priv->gpu_bo = kgem_create_2d(&sna->kgem,
1694                                          pixmap->drawable.width,
1695                                          pixmap->drawable.height,
1696                                          pixmap->drawable.bitsPerPixel,
1697                                          tiling, flags);

0x6047f is in sna_pixmap_move_to_gpu (sna_accel.c:4334).
4329    
4330                                    sna_pixmap_alloc_gpu(sna, pixmap, priv,
create);

0x5e8a1 is in sna_drawable_use_bo (sna_accel.c:3810).
3805    
3806    create_gpu_bo:
3807                    move = MOVE_WRITE | MOVE_READ | MOVE_ASYNC_HINT;
3808                    if (flags & FORCE_GPU)
3809                            move |= __MOVE_FORCE;
3810                    if (!sna_pixmap_move_to_gpu(pixmap, move))
3811                            goto use_cpu_bo;

0x8caae is in sna_poly_fill_rect (sna_accel.c:15129).
15124               sna_pixmap_is_gpu(gc->tile.pixmap)) {
15125                   DBG(("%s: source is already on the gpu\n",
__FUNCTION__));
15126                   hint |= FORCE_GPU;
15127           }
15128   
15129           bo = sna_drawable_use_bo(draw, hint, &region.extents, &damage);

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