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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - scanout broken on radeon SI (OLAND)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=73946#c7">Comment # 7</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - scanout broken on radeon SI (OLAND)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=73946">bug 73946</a>
from <span class="vcard"><a class="email" href="mailto:dh.herrmann@gmail.com" title="David Herrmann <dh.herrmann@gmail.com>"> <span class="fn">David Herrmann</span></a>
</span></b>
<pre>@Michel, any idea how to fix that?
The scanout buffers are created via gbm and this falls back to mesa
dri->image->createImage() with __DRI_IMAGE_SCANOUT set. So I guess the radeonsi
driver uses wrong tiling for such buffers? The DRM device node is stored in
dri->screen so the driver should be able to query all required context
information, right?
Could you tell me at which point exactly you added the PIPE_BIND_SCANOUT flag?
I can try adding some ctx-queries there so we set it correctly if used for DRM
scanout. In case this flag is needed during pipe-creation, not at buffer-alloc
time, we should probably set this flag unconditionally for gbm created pipes.
Just thinking out loud.. I have no idea how the radeon hw really works..</pre>
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