When the user sends the drop caches command through the debugfs interface, do it on all the GT's, rather than just the root GT. Based on a patch by Tvrtko. Signed-off-by: Andi Shyti <andi.shyti@xxxxxxxxxxxxxxx> Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx> --- drivers/gpu/drm/i915/i915_debugfs.c | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 3dfe8a8b7cdfe..60cdfb3e45e2a 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -750,21 +750,27 @@ static int i915_drop_caches_set(void *data, u64 val) { struct drm_i915_private *i915 = data; + struct intel_gt *gt; unsigned int flags; + unsigned int i; int ret; drm_dbg(&i915->drm, "Dropping caches: 0x%08llx [0x%08llx]\n", val, val & DROP_ALL); /* Flush all the active requests across both GT ... */ - ret = gt_drop_caches(to_gt(i915), val); - if (ret) - return ret; + for_each_gt(gt, i915, i) { + ret = gt_drop_caches(gt, val); + if (ret) + return ret; + } /* ... then wait for idle as there may be cross-gt wakerefs. */ - ret = gt_idle(to_gt(i915), val); - if (ret) - return ret; + for_each_gt(gt, i915, i) { + ret = gt_idle(gt, val); + if (ret) + return ret; + } fs_reclaim_acquire(GFP_KERNEL); flags = memalloc_noreclaim_save(); -- 2.40.1