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796b556cbf
Here's a set of 3 patches fixing ugly regressions in the vmwgfx driver. We broke lock initialization code and ended up using spinlocks before initialization breaking lockdep. Also there was a bit of a fallout from drm changes which made the core validate that unreferenced buffers have been unpinned. vmwgfx pinning code predates a lot of the core drm and wasn't written to account for those semantics. Fortunately changes required to fix it are not too intrusive. The changes have been validated by our internal ci. Signed-off-by: Zack Rusin <zackr@vmware.com> -----BEGIN PGP SIGNATURE----- iQHFBAABCgAvFiEEQfMqp0dj5HcMqHypdmlGesw5fx8FAmB3VVoRHHphY2tyQHZt d2FyZS5jb20ACgkQdmlGesw5fx/u9AwAhlJqpBH57xPv71rQC93GNg1P1OnIcYBE EfF65/cynVrbCvRdFI8J7sOMIcDR1Ny6E6vpkKvdKObugu/jSh4MFZgKNmcReNwa eK7c69LEigmZaZdeDeYgpS7GPkZ9fqBw4j+Y+hX0H/Djztf5Ghd6bGCwd6Z/clZW b6kJQDfzvDzU0McTyVBH1ctXGQHhKAbkDKie+mbWRJtdMLmvTJQltgIaXnYMqqZq /fknvD+IYh1pjCQz4g8/5Jn5ljmeuMB1BNhUaLhxHR2EaAZ0BvAXw+4urAezCWJf YGvZ3rMPfd7NNTvrPbrSa9uIpH9hgZcew6ZGyhHPdfjbp+WkgG4oDQsNwDjkUqws CQ+N/E8L2/2HTG0yOS5TSazUU2Omz9g2A50puKXhIrB/24baZlnyhbaExWH1Avi6 hMFzKIxeCOaGOUXtdizeD+mF63tlBicS+bcHyon/GgwpfIZLhTbY5nCibWiFCb7t lGZOUAoJHqx34rI7PKGUU3xyD3+ha45H =ETTT -----END PGP SIGNATURE----- Merge tag 'vmwgfx-fixes-2021-04-14' of gitlab.freedesktop.org:zack/vmwgfx into drm-fixes vmwgfx fixes for regressions in 5.12 Here's a set of 3 patches fixing ugly regressions in the vmwgfx driver. We broke lock initialization code and ended up using spinlocks before initialization breaking lockdep. Also there was a bit of a fallout from drm changes which made the core validate that unreferenced buffers have been unpinned. vmwgfx pinning code predates a lot of the core drm and wasn't written to account for those semantics. Fortunately changes required to fix it are not too intrusive. The changes have been validated by our internal ci. Signed-off-by: Zack Rusin <zackr@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com> From: Zack Rusin <zackr@vmware.com> Link: https://patchwork.freedesktop.org/patch/msgid/f7add0a2-162e-3bd2-b1be-344a94f2acbf@vmware.com |
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