[PATCH v4 0/2] drm: Check polling initialized before

Shradha Gupta
2024-02-02T06:43:05Z

This patchset consists of sanity checks before enabling/disabling
output polling to make sure we do not call polling enable and disable
functions when polling for the device is not initialized or is now
uninitialized(by drm_kms_helper_poll_fini() function)

The first patch consists of these checks in
drm_kms_helper_poll_disable() and drm_kms_helper_poll_enable() calls.
It further flags a warning if a caller violates this. It also adds
these checks in drm_mode_config_helper_resume() and
drm_mode_config_helper_suspend() calls to avoid this warning.

The second patch adds a similar missing check in
drm_helper_probe_single_connector_modes() function that is exposed by
the new warning introduced in the first patch.

Shradha Gupta (2):
drm: Check output polling initialized before disabling
drm: Check polling initialized before enabling in
drm_helper_probe_single_connector_modes

drivers/gpu/drm/drm_modeset_helper.c | 19 ++++++++++++++++---
drivers/gpu/drm/drm_probe_helper.c | 21 +++++++++++++++++----
2 files changed, 33 insertions(+), 7 deletions(-)

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2.34.1