summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c
diff options
context:
space:
mode:
authorTao Zhou <tao.zhou1@amd.com>2019-09-23 13:10:19 +0200
committerAlex Deucher <alexander.deucher@amd.com>2019-10-03 16:11:03 +0200
commit3d8361b11ca45b329349ec82ad765d059d8b0673 (patch)
tree51af59994b4e47fdd8801ba738b01841bf8d2803 /drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c
parentdrm/amdgpu: implement common gmc_ras_late_init (diff)
downloadlinux-3d8361b11ca45b329349ec82ad765d059d8b0673.tar.xz
linux-3d8361b11ca45b329349ec82ad765d059d8b0673.zip
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 <tao.zhou1@amd.com> Reviewed-by: Guchun Chen <guchun.chen@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c4
1 files changed, 4 insertions, 0 deletions
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;