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drm/nouveau/kms/tu102: wait for core update to complete when assigning windows

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Fixes a race on Turing between the core cross-channel error checks and
the following window update.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs
2020-07-23 20:10:42 +10:00
parent 0508831470
commit 705d9d0229
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/nouveau/dispnv50/disp.c
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@@ -2073,7 +2073,7 @@ nv50_disp_atomic_commit_tail(struct drm_atomic_state *state)
*/
if (core->assign_windows) {
core->func->wndw.owner(core);
core->func->update(core, interlock, false);
nv50_disp_atomic_commit_core(state, interlock);
core->assign_windows = false;
interlock[NV50_DISP_INTERLOCK_CORE] = 0;
}