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drm/nouveau: Handle drm_atomic_helper_swap_state failure 

drm_atomic_helper_swap_state() will be changed to interruptible waiting
in the next few commits, so all drivers have to be changed to handling
failure.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: nouveau@lists.freedesktop.org
Link: http://patchwork.freedesktop.org/patch/msgid/20170711143314.2148-4-maarten.lankhorst@linux.intel.com
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Maarten Lankhorst 2017-07-11 16:33:05 +02:00 committed by Daniel Vetter
parent c066d2310a
commit 8572636e45
1 changed files with 4 additions and 1 deletions
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5
drivers/gpu/drm/nouveau/nv50_display.c
View File

@ -4123,6 +4123,10 @@ nv50_disp_atomic_commit(struct drm_device *dev,
goto err_cleanup;
}
ret = drm_atomic_helper_swap_state(state, true);
if (ret)
goto err_cleanup;
for_each_plane_in_state(state, plane, plane_state, i) {
struct nv50_wndw_atom *asyw = nv50_wndw_atom(plane_state);
struct nv50_wndw *wndw = nv50_wndw(plane);
@ -4136,7 +4140,6 @@ nv50_disp_atomic_commit(struct drm_device *dev,
}
}
drm_atomic_helper_swap_state(state, true);
drm_atomic_state_get(state);
if (nonblock)