[PATCH 2/3] drm/ast: deal with bo reserve fail in dirty update path

From: Dave Airlie Port over the mgag200 fix to ast as it suffers the same issue. On F19 testing, it was noticed we get a lot of errors in dmesg about being unable to reserve the buffer when plymouth starts, this is due to the buffer being in the process of migrating, so it makes

[PATCH 2/3] drm/ast: deal with bo reserve fail in dirty update path

From: Dave Airlie Port over the mgag200 fix to ast as it suffers the same issue. On F19 testing, it was noticed we get a lot of errors in dmesg about being unable to reserve the buffer when plymouth starts, this is due to the buffer being in the process of migrating, so it makes