From 3d8361b11ca45b329349ec82ad765d059d8b0673 Mon Sep 17 00:00:00 2001 From: Tao Zhou Date: Mon, 23 Sep 2019 19:10:19 +0800 Subject: drm/amdgpu: add comments in ras interrupt callback add comments to clarify why checking GFX IP BLOCK for each ras interrupt callback Signed-off-by: Tao Zhou Reviewed-by: Guchun Chen Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c index 7744de149949..d4fb9cf27e21 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c @@ -95,6 +95,10 @@ int amdgpu_umc_process_ras_data_cb(struct amdgpu_device *adev, { struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status; + /* When “Full RAS” is enabled, the per-IP interrupt sources should + * be disabled and the driver should only look for the aggregated + * interrupt via sync flood + */ if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__GFX)) return AMDGPU_RAS_SUCCESS; -- cgit v1.2.3