This is the next version of https://patchwork.freedesktop.org/series/46815/
With a lot more thought put into it so as to avoid the potential deadlock scenarios I missed. This also required fixing some bogus DRM helper usage.
Try and deadlock me now, nouveau. I dare you!!!
Lyude Paul (8): drm/nouveau: Fix bogus drm_kms_helper_poll_enable() placement drm/nouveau: Enable polling even if we have runtime PM drm/fb_helper: Introduce hotplug_suspend/resume() drm/nouveau: Fix deadlock with fb_helper using new helpers drm/nouveau: Use pm_runtime_get_noresume() in connector_detect() drm/nouveau: Respond to HPDs by probing one conn at a time drm/nouveau: Fix deadlocks in nouveau_connector_detect() drm/nouveau: Call pm_runtime_get_noresume() from hpd handlers
drivers/gpu/drm/drm_fb_helper.c | 65 +++++++++++++++++++++ drivers/gpu/drm/nouveau/nouveau_connector.c | 60 +++++++++++++++---- drivers/gpu/drm/nouveau/nouveau_connector.h | 1 + drivers/gpu/drm/nouveau/nouveau_display.c | 7 ++- drivers/gpu/drm/nouveau/nouveau_drm.c | 16 +++-- drivers/gpu/drm/nouveau/nouveau_fbcon.c | 1 + include/drm/drm_fb_helper.h | 20 +++++++ 7 files changed, 154 insertions(+), 16 deletions(-)