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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [SNA HSW] Corruption in OpenGL video output (DRI2 + TearFree)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95414#c17">Comment # 17</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [SNA HSW] Corruption in OpenGL video output (DRI2 + TearFree)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95414">bug 95414</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>New theory:
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -1282,6 +1282,7 @@ void i915_vma_move_to_active(struct i915_vma *vma,
/* update for the implicit flush after a batch */
obj->base.write_domain &= ~I915_GEM_GPU_DOMAINS;
+ obj->cache_dirty |= obj->cache_level != I915_CACHE_NONE;
}
if (flags & EXEC_OBJECT_NEEDS_FENCE)
Can you please try
<a href="https://cgit.freedesktop.org/~ickle/linux-2.6/log/?h=prescheduler">https://cgit.freedesktop.org/~ickle/linux-2.6/log/?h=prescheduler</a></pre>
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