[PATCH v2 12/12] drm/amdgpu: Refine the error report when flush tlb.

Peng Ju Zhou PengJu.Zhou at amd.com
Thu Apr 29 10:26:44 UTC 2021


there are 2 hubs to flush in the gmc, to make it easier
to debug when hub flush failed, refine the logs.

Signed-off-by: Peng Ju Zhou <PengJu.Zhou at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
index c25541112663..33cd487741f7 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
@@ -297,7 +297,8 @@ static void gmc_v10_0_flush_vm_hub(struct amdgpu_device *adev, uint32_t vmid,
 	if (i < adev->usec_timeout)
 		return;
 
-	DRM_ERROR("Timeout waiting for VM flush ACK!\n");
+	DRM_ERROR("Timeout waiting for VM flush hub: %s!\n",
+		  vmhub == AMDGPU_GFXHUB_0 ? "gfxhub" : "mmhub");
 }
 
 /**
-- 
2.17.1



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