Re: [PATCH] drm/amdkfd: ratelimited override pte flags messages

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On 2023-09-28 18:22, Philip Yang wrote:
Use ratelimited version of dev_dbg to avoid flooding dmesg log. No
functional change.

Signed-off-by: Philip Yang <Philip.Yang@xxxxxxx>

Reviewed-by: Felix Kuehling <Felix.Kuehling@xxxxxxx>


---
  drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c |  2 +-
  drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c     | 16 ++++++++--------
  2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c
index 96d601e209b8..6d2878684287 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c
@@ -848,7 +848,7 @@ static void amdgpu_vm_pte_update_flags(struct amdgpu_vm_update_params *params,
  			amdgpu_gmc_override_vm_pte_flags(adev, params->vm,
  							 addr, &flags);
  		else
-			dev_dbg(adev->dev,
+			dev_dbg_ratelimited(adev->dev,
  				"override_vm_pte_flags skipped: non-contiguous\n");
  	}
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 6b15677c0314..ad0d63472e17 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -1244,7 +1244,7 @@ static void gmc_v9_0_override_vm_pte_flags(struct amdgpu_device *adev,
  	 * the DMA address.
  	 */
  	if (!adev->ram_is_direct_mapped) {
-		dev_dbg(adev->dev, "RAM is not direct mapped\n");
+		dev_dbg_ratelimited(adev->dev, "RAM is not direct mapped\n");
  		return;
  	}
@@ -1253,7 +1253,7 @@ static void gmc_v9_0_override_vm_pte_flags(struct amdgpu_device *adev,
  	 */
  	if ((*flags & AMDGPU_PTE_MTYPE_VG10_MASK) !=
  	    AMDGPU_PTE_MTYPE_VG10(MTYPE_NC)) {
-		dev_dbg(adev->dev, "MTYPE is not NC\n");
+		dev_dbg_ratelimited(adev->dev, "MTYPE is not NC\n");
  		return;
  	}
@@ -1264,7 +1264,7 @@ static void gmc_v9_0_override_vm_pte_flags(struct amdgpu_device *adev,
  	if (adev->gmc.is_app_apu && vm->mem_id >= 0) {
  		local_node = adev->gmc.mem_partitions[vm->mem_id].numa.node;
  	} else {
-		dev_dbg(adev->dev, "Only native mode APU is supported.\n");
+		dev_dbg_ratelimited(adev->dev, "Only native mode APU is supported.\n");
  		return;
  	}
@@ -1272,12 +1272,12 @@ static void gmc_v9_0_override_vm_pte_flags(struct amdgpu_device *adev,
  	 * page or NUMA nodes.
  	 */
  	if (!page_is_ram(addr >> PAGE_SHIFT)) {
-		dev_dbg(adev->dev, "Page is not RAM.\n");
+		dev_dbg_ratelimited(adev->dev, "Page is not RAM.\n");
  		return;
  	}
  	nid = pfn_to_nid(addr >> PAGE_SHIFT);
-	dev_dbg(adev->dev, "vm->mem_id=%d, local_node=%d, nid=%d\n",
-		vm->mem_id, local_node, nid);
+	dev_dbg_ratelimited(adev->dev, "vm->mem_id=%d, local_node=%d, nid=%d\n",
+			    vm->mem_id, local_node, nid);
  	if (nid == local_node) {
  		uint64_t old_flags = *flags;
  		unsigned int mtype_local = MTYPE_RW;
@@ -1289,8 +1289,8 @@ static void gmc_v9_0_override_vm_pte_flags(struct amdgpu_device *adev,
*flags = (*flags & ~AMDGPU_PTE_MTYPE_VG10_MASK) |
  			 AMDGPU_PTE_MTYPE_VG10(mtype_local);
-		dev_dbg(adev->dev, "flags updated from %llx to %llx\n",
-			old_flags, *flags);
+		dev_dbg_ratelimited(adev->dev, "flags updated from %llx to %llx\n",
+				    old_flags, *flags);
  	}
  }



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