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There's two flags that we've never been setting when asking GSP to suspend
the GPU, which OpenRM does set:
GPU_STATE_FLAGS_PRESERVING
GPU_STATE_FLAGS_PM_TRANSITION
These flags aren't -supposed- to do much in GSP, they're mostly used by
OpenRM itself for state tracking. The only thing they do from GSP's side is
control whether or not a single display related workaround is applied
during suspend.
But as it turns out, that single workaround is actually quite crucial for
getting runtime PM working with nouveau - and without it set we end up
seeing a lot more failures with runtime PM resume. So, let's start setting
it.
Signed-off-by: Lyude Paul <lyude@redhat.com>
Fixes:
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|---|---|---|
| .. | ||
| drm | ||
| host1x | ||
| ipu-v3 | ||
| nova-core | ||
| tests | ||
| trace | ||
| vga | ||
| buddy.c | ||
| Kconfig | ||
| Makefile | ||