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Code Issues Releases Wiki Activity

drm/i915: reject GTT domain in relocations 

This confuses our domain tracking and can (for gtt write domains) lead
to a subsequent oops.

Tested by tests/gem_exec_bad_domains from i-g-t.

Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2011-12-14 13:57:27 +01:00
parent ff865f7976
commit 4ca4a250ac
1 changed files with 3 additions and 2 deletions
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5
drivers/gpu/drm/i915/i915_gem_execbuffer.c
View File

@ -303,8 +303,9 @@ i915_gem_execbuffer_relocate_entry(struct drm_i915_gem_object *obj,
reloc->write_domain);
return ret;
}
if (unlikely((reloc->write_domain | reloc->read_domains) & I915_GEM_DOMAIN_CPU)) {
DRM_ERROR("reloc with read/write CPU domains: "
if (unlikely((reloc->write_domain | reloc->read_domains)
& ~I915_GEM_GPU_DOMAINS)) {
DRM_ERROR("reloc with read/write non-GPU domains: "
"obj %p target %d offset %d "
"read %08x write %08x",
obj, reloc->target_handle,