drm/nouveau: Grab payload lock in nv50_msto_payload()

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Going through the currently programmed payloads isn't safe without
holding mgr->payload_lock, so actually do that and warn if anyone tries
calling nv50_msto_payload() in the future without grabbing the right
locks.

Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Ben Skeggs <bskeggs@redhat.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: David Airlie <airlied@redhat.com>
Cc: Jerry Zuo <Jerry.Zuo@amd.com>
Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Juston Li <juston.li@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190111005343.17443-17-lyude@redhat.com

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Lyude Paul 2019-01-10 19:53:39 -05:00

parent d79a3c52f3

commit 7aa275ca0e

1 changed files with 6 additions and 0 deletions

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drivers/gpu/drm/nouveau/dispnv50/disp.c

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