On 2018-02-21 01:36 PM, Daniel Vetter wrote: > On Wed, Feb 21, 2018 at 04:23:31PM +0100, Maarten Lankhorst wrote: >> After we acquired all generic modeset locks in drm_modeset_lock_all, it's >> unsafe acquire any other so just mark acquisition as done. >> >> Atomic drivers shouldn't use drm_modeset_lock_all. >> >> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx> > > Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx> > > Also, I'm pretty much expecting to regret this like all the other > ww_acquire_done patches I've acked, but where's the fun in not trying :-) > This shouldn't really hurt anything, other than throw DEBUG warnings if DEBUG_MUTEXES is on. Acked-by: Harry Wentland <harry.wentland@xxxxxxx> Harry > Cheers, Daniel > >> --- >> drivers/gpu/drm/drm_modeset_lock.c | 1 + >> 1 file changed, 1 insertion(+) >> >> diff --git a/drivers/gpu/drm/drm_modeset_lock.c b/drivers/gpu/drm/drm_modeset_lock.c >> index 963e23db0fe7..8a5100685875 100644 >> --- a/drivers/gpu/drm/drm_modeset_lock.c >> +++ b/drivers/gpu/drm/drm_modeset_lock.c >> @@ -113,6 +113,7 @@ void drm_modeset_lock_all(struct drm_device *dev) >> kfree(ctx); >> return; >> } >> + ww_acquire_done(&ctx->ww_ctx); >> >> WARN_ON(config->acquire_ctx); >> >> -- >> 2.16.1 >> >> _______________________________________________ >> Intel-gfx mailing list >> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx >> https://lists.freedesktop.org/mailman/listinfo/intel-gfx > _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
