drm/nouveau/kms/nv50: fix source-rect-only plane updates
This "optimisation" (which was originally meant to skip updating cursor settings in the core channel on position-only updates) turned out to be pointless in the final design of the code before it was merged. Remove it completely, as it breaks other cases. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Cc: stable@vger.kernel.org [4.10+]
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@ -912,11 +912,9 @@ nv50_wndw_atomic_check(struct drm_plane *plane, struct drm_plane_state *state)
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if (memcmp(&armw->point, &asyw->point, sizeof(asyw->point)))
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asyw->set.point = true;
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if (!varm || asym || armw->state.fb != asyw->state.fb) {
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ret = nv50_wndw_atomic_check_acquire(wndw, asyw, asyh);
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if (ret)
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return ret;
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}
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ret = nv50_wndw_atomic_check_acquire(wndw, asyw, asyh);
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if (ret)
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return ret;
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} else
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if (varm) {
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nv50_wndw_atomic_check_release(wndw, asyw, harm);
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