drm/rockchip: Don't fully disable vop on self refresh
Instead of fully disabling and re-enabling the vop on self refresh transitions, only disable the active windows. This will speed up self refresh exits substantially and is still a power-savings win. This patch integrates portions of Zain's patch from here: https://patchwork.kernel.org/patch/9615063/ Changes in v2: - None Changes in v3: - None Changes in v4: - Adjust for preceding vop_win_disable changes Changes in v5: - None Link to v1: https://patchwork.freedesktop.org/patch/msgid/20190228210939.83386-5-sean@poorly.run Link to v2: https://patchwork.freedesktop.org/patch/msgid/20190326204509.96515-4-sean@poorly.run Link to v3: https://patchwork.freedesktop.org/patch/msgid/20190502194956.218441-10-sean@poorly.run Link to v4: https://patchwork.freedesktop.org/patch/msgid/20190508160920.144739-11-sean@poorly.run Cc: Zain Wang <wzz@rock-chips.com> Cc: Tomasz Figa <tfiga@chromium.org> Cc: Kristian H. Kristensen <hoegsberg@chromium.org> Tested-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190611160844.257498-11-sean@poorly.run
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