On Thu, Mar 24, 2022 at 11:30:25AM +0100, Thierry Reding wrote: > From: Thierry Reding <treding@xxxxxxxxxx> > > Buffer mappings used in job submissions are usually small and not > rapidly reused as opposed to framebuffers (which are usually large and > rapidly reused, for example when page-flipping between double-buffered > framebuffers). Avoid going through the mapping cache for these buffers > since the cache would also lead to leaks if nobody is ever releasing > the cache's last reference. For DRM/KMS these last references are > dropped when the framebuffers are removed and therefore no longer > needed. > > While at it, also add a note about the need to explicitly remove the > final reference to the mapping in the cache. > > Signed-off-by: Thierry Reding <treding@xxxxxxxxxx> > --- > drivers/gpu/host1x/job.c | 4 ++-- > include/linux/host1x.h | 5 +++++ > 2 files changed, 7 insertions(+), 2 deletions(-) Applied. Thierry
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