drm/stm: add sleep power management

Implements system sleep power management ops.

Signed-off-by: Yannick Fertré <yannick.fertre@st.com>
Acked-by: Philippe Cornu <philippe.cornu@st.com>
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/1553156120-13851-1-git-send-email-yannick.fertre@st.com
This commit is contained in:
Yannick Fertré 2019-03-21 09:15:20 +01:00 • committed by Benjamin Gaignard
commit df61c77665
3 changed files with 62 additions and 0 deletions