Messages in this thread Patch in this message | | | From | Philippe CORNU <> | Subject | Re: [PATCH] drm/stm: dw_mipi_dsi-stm: add sleep power management | Date | Tue, 26 Mar 2019 12:52:35 +0000 |
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Dear Yannick, Many thanks for your patch.
Acked-by: Philippe Cornu <philippe.cornu@st.com>
Philippe :-)
On 3/21/19 9:13 AM, Yannick Fertré wrote: > Implements system sleep power management ops. > > Signed-off-by: Yannick Fertré <yannick.fertre@st.com> > --- > drivers/gpu/drm/stm/dw_mipi_dsi-stm.c | 28 ++++++++++++++++++++++++++++ > 1 file changed, 28 insertions(+) > > diff --git a/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c b/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c > index a672b59..1bef73e 100644 > --- a/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c > +++ b/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c > @@ -356,12 +356,40 @@ static int dw_mipi_dsi_stm_remove(struct platform_device *pdev) > return 0; > } > > +static int __maybe_unused dw_mipi_dsi_stm_suspend(struct device *dev) > +{ > + struct dw_mipi_dsi_stm *dsi = dw_mipi_dsi_stm_plat_data.priv_data; > + > + DRM_DEBUG_DRIVER("\n"); > + > + clk_disable_unprepare(dsi->pllref_clk); > + > + return 0; > +} > + > +static int __maybe_unused dw_mipi_dsi_stm_resume(struct device *dev) > +{ > + struct dw_mipi_dsi_stm *dsi = dw_mipi_dsi_stm_plat_data.priv_data; > + > + DRM_DEBUG_DRIVER("\n"); > + > + clk_prepare_enable(dsi->pllref_clk); > + > + return 0; > +} > + > +static const struct dev_pm_ops dw_mipi_dsi_stm_pm_ops = { > + SET_SYSTEM_SLEEP_PM_OPS(dw_mipi_dsi_stm_suspend, > + dw_mipi_dsi_stm_resume) > +}; > + > static struct platform_driver dw_mipi_dsi_stm_driver = { > .probe = dw_mipi_dsi_stm_probe, > .remove = dw_mipi_dsi_stm_remove, > .driver = { > .of_match_table = dw_mipi_dsi_stm_dt_ids, > .name = "stm32-display-dsi", > + .pm = &dw_mipi_dsi_stm_pm_ops, > }, > }; > > | |