[Bug 199959] amdgpu, regression?: system freezes after resume

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=199959

--- Comment #21 from Alexander Mezin (mezin.alexander at gmail.com) ---
Not sure if it'll help, but I've added more logging here:

--- a/drivers/pci/setup-res.c
+++ b/drivers/pci/setup-res.c
@@ -436,6 +436,8 @@ int pci_resize_resource(struct pci_dev *dev, int resno, int
size)
        if (ret)
                return ret;

+       pci_info(dev, "BAR %d: resized from %d to %d", resno, old, size);
+
        res->end = res->start + pci_rebar_size_to_bytes(size) - 1;

        /* Check if the new config works by trying to assign everything. */

And suspend-resume with "re-resize" hack shows this:

amdgpu 0000:65:00.0: BAR 0: resized from 8 to 13

(this message appears in dmesg two times, first one on boot, second one during
resume, exactly the same message in both cases)

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