On 09/03/2023 07:48, Guchun Chen wrote:
In order to catch issues in other drivers to ensure proper call
sequence of polling function.
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/2411
Fixes: a4e771729a51("drm/probe_helper: sort out poll_running vs poll_enabled")
Previously it was suggested that this is not a fix, so the Fixes header
is incorrect.
Also please use -vN when preparing/sending patchsets. This is v2.
Reported-by: Bert Karwatzki <[email protected]>
Suggested-by: Dmitry Baryshkov <[email protected]>
Signed-off-by: Guchun Chen <[email protected]>
---
drivers/gpu/drm/drm_probe_helper.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/drm_probe_helper.c
b/drivers/gpu/drm/drm_probe_helper.c
index 8127be134c39..85e0e80d4a52 100644
--- a/drivers/gpu/drm/drm_probe_helper.c
+++ b/drivers/gpu/drm/drm_probe_helper.c
@@ -852,6 +852,8 @@ EXPORT_SYMBOL(drm_kms_helper_is_poll_worker);
*/
void drm_kms_helper_poll_disable(struct drm_device *dev)
{
+ WARN_ON(!dev->mode_config.poll_enabled);
+
if (dev->mode_config.poll_running)
drm_kms_helper_disable_hpd(dev);
--
With best wishes
Dmitry
