soc: imx: gpc: Use GENPD_FLAG_RPM_ALWAYS_ON for ERR009619 (8d5d766f) · Commits · 戴 / test

This allows PU domain to be turned off in suspend and save power. Signed-off-by:

drivers/soc/imx/gpc.c

+11 −2

Original line number	Diff line number	Diff line
		@@ -431,10 +431,19 @@ static int imx_gpc_probe(struct platform_device *pdev)
		return ret;
		}

		/* Disable PU power down in normal operation if ERR009619 is present */
		/*
		* Disable PU power down by runtime PM if ERR009619 is present.
		*
		* The PRE clock will be paused for several cycles when turning on the
		* PU domain LDO from power down state. If PRE is in use at that time,
		* the IPU/PRG cannot get the correct display data from the PRE.
		*
		* This is not a concern when the whole system enters suspend state, so
		* it's safe to power down PU in this case.
		*/
		if (of_id_data->err009619_present)
		imx_gpc_domains[GPC_PGC_DOMAIN_PU].base.flags \|=
		GENPD_FLAG_ALWAYS_ON;
		GENPD_FLAG_RPM_ALWAYS_ON;

		/* Keep DISP always on if ERR006287 is present */
		if (of_id_data->err006287_present)