drm/stm: support runtime power management

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This patch enables runtime power management (runtime PM) support for
the display controller. pm_runtime_enable() and pm_runtime_disable()
are added during ltdc load and unload respectively.
pm_runtime_get_sync() and pm_runtime_put_sync() are added for ltdc
register access.

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/1559550722-14091-1-git-send-email-yannick.fertre@st.com

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Yannick Fertré 2019-06-03 10:32:02 +02:00 • committed by Benjamin Gaignard

parent 630bec0c16

commit 35ab6cfbf2

2 changed files with 86 additions and 24 deletions

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43

drivers/gpu/drm/stm/drv.c

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65

drivers/gpu/drm/stm/ltdc.c

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