Hi, On Wed, Dec 16, 2020 at 07:22:32PM +0100, Guido Günther wrote: > This allows us to shut down the mipi power domain on the imx8. The alternative > would be to drop the dphy from the mipi power domain in the SOCs device tree > and only have the DSI host controller visible there but since the PD is mostly > about the PHY that would defeat it's purpose.
Is there anything I can do to move that forward. I assume this needs to go via the phy/ subsystem not drm? Cheers, -- Guido > > This is basically a resend from February 2020 which went without feedback. > > This allows to shut off the power domain hen blanking the LCD panel: > > pm_genpd_summary before: > > domain status slaves > /device runtime status > ---------------------------------------------------------------------- > mipi on > /devices/platform/soc@0/soc@0:bus@30800000/30a00300.dphy unsupported > /devices/platform/soc@0/soc@0:bus@30800000/30a00000.mipi_dsi suspended > > after: > > mipi off-0 > /devices/platform/soc@0/soc@0:bus@30800000/30a00300.dphy suspended > /devices/platform/soc@0/soc@0:bus@30800000/30a00000.mipi_dsi suspended > > Changes from v1: > - Tweak commit message slightly > > Changes from v2: > - As pre review comment by Lucas Stach > > https://lore.kernel.org/linux-arm-kernel/ee22b072e0abe07559a3e6a63ccf6ece064a46cb.ca...@pengutronix.de/ > Check for pm_runtime_get_sync failure > > Guido Günther (1): > phy: fsl-imx8-mipi-dphy: Hook into runtime pm > > .../phy/freescale/phy-fsl-imx8-mipi-dphy.c | 25 ++++++++++++++++++- > 1 file changed, 24 insertions(+), 1 deletion(-) > > -- > 2.29.2 > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-ker...@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
