drm/etnaviv: flush shader L1 cache after user commandstream
commit 4f8dbadef085ab447a01a8d4806a3f629fea05ed upstream. The shader L1 cache is a writeback cache for shader loads/stores and thus must be flushed before any BOs backing the shader buffers are potentially freed. Cc: stable@vger.kernel.org Reviewed-by:Christian Gmeiner <cgmeiner@igalia.com> Signed-off-by:
Lucas Stach <l.stach@pengutronix.de> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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