The patch below does not apply to the 4.14-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to stable@vger.kernel.org.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From 53c26181950ddc3c8ace3c0939c89e9c4d8deeb9 Mon Sep 17 00:00:00 2001 From: Lyude Paul lyude@redhat.com Date: Thu, 14 Jul 2022 13:42:33 -0400 Subject: [PATCH] drm/nouveau/acpi: Don't print error when we get -EINPROGRESS from pm_runtime
Since this isn't actually a failure.
Signed-off-by: Lyude Paul lyude@redhat.com Reviewed-by: David Airlie airlied@linux.ie Fixes: 79e765ad665d ("drm/nouveau/drm/nouveau: Prevent handling ACPI HPD events too early") Cc: stable@vger.kernel.org # v4.19+ Link: https://patchwork.freedesktop.org/patch/msgid/20220714174234.949259-2-lyude@...
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c index 2cd0932b3d68..9f5a45f24e5b 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.c +++ b/drivers/gpu/drm/nouveau/nouveau_display.c @@ -537,7 +537,7 @@ nouveau_display_acpi_ntfy(struct notifier_block *nb, unsigned long val, * it's own hotplug events. */ pm_runtime_put_autosuspend(drm->dev->dev); - } else if (ret == 0) { + } else if (ret == 0 || ret == -EINPROGRESS) { /* We've started resuming the GPU already, so * it will handle scheduling a full reprobe * itself