drm/msm/dpu: Simplify using local 'ctl' variable
In few places we store 'phys_enc->hw_ctl' to local 'ctl' variable so use
it everywhere. No functional change.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/632389/
Link: https://lore.kernel.org/r/20250114155959.583889-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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