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path: root/drivers/gpu/drm/msm/msm_gem_shrinker.c
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2016-11-22Merge branch 'linus' into locking/core, to pick up fixesIngo Molnar
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-11-15locking/mutex, drm: Introduce mutex_trylock_recursive()Peter Zijlstra
By popular DRM demand, introduce mutex_trylock_recursive() to fix up the two GEM users. Without this it is very easy for these drivers to get stuck in low-memory situations and trigger OOM. Work is in progress to remove the need for this in at least i915. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: David Airlie <airlied@linux.ie> Cc: Davidlohr Bueso <dave@stgolabs.net> Cc: Ding Tianhong <dingtianhong@huawei.com> Cc: Imre Deak <imre.deak@intel.com> Cc: Jason Low <jason.low2@hpe.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Paul E. McKenney <paulmck@us.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Rob Clark <robdclark@gmail.com> Cc: Terry Rudd <terry.rudd@hpe.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tim Chen <tim.c.chen@linux.intel.com> Cc: Will Deacon <Will.Deacon@arm.com> Cc: dri-devel@lists.freedesktop.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-11-04drm/msm: Fix error handling crashes seen when VRAM allocation failsArchit Taneja
If VRAM allocation fails, the error handling path crashes in msm_drm_uninit(). The following changes are made to fix this: msm_gem_shrinker_cleanup() is fixed to unregister the shrinker only if it was init-ed in the first place. Before calling kms->funcs->destroy(), we check if kms->funcs is also non-NULL. This is needed for MDP5, since during msm_drm_int(), priv->kms becomes non-NULL early, but msm_kms_init() is called on it only later in mdp5_kms_init(). Signed-off-by: Archit Taneja <architt@codeaurora.org> Signed-off-by: Rob Clark <robdclark@gmail.com> Reviewed-by: Andy Gross <andy.gross@linaro.org>
2016-10-25locking/drm: Kill mutex trickeryPeter Zijlstra
Poking at lock internals is not cool. Since I'm going to change the implementation this will break, take it out. Tested-by: Jason Low <jason.low2@hpe.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Rob Clark <robdclark@gmail.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-07-16drm/msm: wire up vmap shrinkerRob Clark
Signed-off-by: Rob Clark <robdclark@gmail.com>
2016-07-16drm/msm: shrinker supportRob Clark
For a first step, only purge obj->madv==DONTNEED objects. We could be more agressive and next try unpinning inactive objects.. but that is only useful if you have swap. Signed-off-by: Rob Clark <robdclark@gmail.com>