diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2012-11-15 11:32:23 +0000 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-11-30 23:32:22 +0100 |
| commit | 960e3564bfa464f92549383d41659f2aaeee1420 (patch) | |
| tree | f38d7f9fb2129766f66caef880e38b65749270ed | |
| parent | c1ad11fce86405c955873974f58ab305d894be78 (diff) | |
drm/i915: Support readback of stolen objects upon error
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 26753ee6571..7a0ddee9751 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -929,6 +929,14 @@ i915_error_object_create(struct drm_i915_private *dev_priv, reloc_offset); memcpy_fromio(d, s, PAGE_SIZE); io_mapping_unmap_atomic(s); + } else if (src->stolen) { + unsigned long offset; + + offset = dev_priv->mm.stolen_base; + offset += src->stolen->start; + offset += i << PAGE_SHIFT; + + memcpy_fromio(d, (void *)offset, PAGE_SIZE); } else { struct page *page; void *s; |