[Intel-gfx] [PATCH RESEND v2 2/2] drm/i915: Ratelimit debug log in vm_fault_ttm

Andi Shyti andi.shyti at linux.intel.com
Tue Oct 10 12:15:45 UTC 2023


From: Nirmoy Das <nirmoy.das at intel.com>

Test like i915_gem_mman_live_selftests/igt_mmap_migrate can cause
dmesg spamming. Use ratelimit api to reduce log rate.

References: https://gitlab.freedesktop.org/drm/intel/-/issues/7038
Signed-off-by: Nirmoy Das <nirmoy.das at intel.com>
Cc: Matthew Auld <matthew.auld at intel.com>
Reviewed-by: Matthew Auld <matthew.auld at intel.com>
Reviewed-by: Andrzej Hajda <andrzej.hajda at intel.com>
Reviewed-by: Andi Shyti <andi.shyti at linux.intel.com>
Signed-off-by: Andi Shyti <andi.shyti at linux.intel.com>
---
 drivers/gpu/drm/i915/gem/i915_gem_ttm.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
index 9227f8146a58..6b69ef0cdbb4 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
@@ -1101,8 +1101,9 @@ static vm_fault_t vm_fault_ttm(struct vm_fault *vmf)
 		}
 
 		if (err) {
-			drm_dbg(dev, "Unable to make resource CPU accessible(err = %pe)\n",
-				ERR_PTR(err));
+			drm_dbg_ratelimited(dev,
+					    "Unable to make resource CPU accessible(err = %pe)\n",
+					    ERR_PTR(err));
 			dma_resv_unlock(bo->base.resv);
 			ret = VM_FAULT_SIGBUS;
 			goto out_rpm;
-- 
2.40.1



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