From: Chris Wilson Date: Wed, 8 Mar 2017 14:46:22 +0000 (+0000) Subject: drm/i915: Extend debugfs/i915_drop_caches to call i915_gem_shrink_all() X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=8eadc19b380d5650e9d9c58e8ecc28e9f2b4a371;p=openwrt%2Fstaging%2Fblogic.git drm/i915: Extend debugfs/i915_drop_caches to call i915_gem_shrink_all() Sometimes we want to explicitly page out all available objects from igt, i.e. call i915_gem_shrink_all() and check that subsequent operations succeed. This adds DROP_SHRINK_ALL [0x8] to the set of flags for debugfs/i915_drop_caches for that purpose. Signed-off-by: Chris Wilson Link: http://patchwork.freedesktop.org/patch/msgid/20170308144622.23194-1-chris@chris-wilson.co.uk Reviewed-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 115433d46477..56674df31275 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -4231,11 +4231,13 @@ DEFINE_SIMPLE_ATTRIBUTE(i915_ring_test_irq_fops, #define DROP_RETIRE 0x4 #define DROP_ACTIVE 0x8 #define DROP_FREED 0x10 +#define DROP_SHRINK_ALL 0x20 #define DROP_ALL (DROP_UNBOUND | \ DROP_BOUND | \ DROP_RETIRE | \ DROP_ACTIVE | \ - DROP_FREED) + DROP_FREED | \ + DROP_SHRINK_ALL) static int i915_drop_caches_get(void *data, u64 *val) { @@ -4276,6 +4278,9 @@ i915_drop_caches_set(void *data, u64 val) if (val & DROP_UNBOUND) i915_gem_shrink(dev_priv, LONG_MAX, I915_SHRINK_UNBOUND); + if (val & DROP_SHRINK_ALL) + i915_gem_shrink_all(dev_priv); + unlock: mutex_unlock(&dev->struct_mutex);