[ Upstream commit 57250ca5433306774e7f83b11503609ed1bf28cf ] Avoid querying RM for hw mdp block. Use the one stored in KMS during initialization. changes in v4: - none changes in v5: - none Signed-off-by: Jeykumar Sankaran <jsanka@codeaurora.org> Reviewed-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Rob Clark <robdclark@gmail.com> Stable-dep-of: 2b938c3ab0a6 ("drm/msm/dpu: Always flush the slave INTF on the CTL") Signed-off-by: Sasha Levin <sashal@kernel.org>