C++ (Cpp) MDSS_MDP_BUS_FUDGE_FACTOR Exemples

Exemple #1

static int mdss_mdp_ctl_perf_commit(u32 flags)
{
	struct mdss_mdp_ctl *ctl;
	int cnum;
	unsigned long clk_rate = 0;
	u64 bus_ab_quota = 0, bus_ib_quota = 0;

	if (!flags) {
		pr_err("nothing to update\n");
		return -EINVAL;
	}

	mutex_lock(&mdss_mdp_ctl_lock);
	for (cnum = 0; cnum < MDSS_MDP_MAX_CTL; cnum++) {
		ctl = &mdss_mdp_ctl_list[cnum];
		if (ctl->power_on) {
			bus_ab_quota += ctl->bus_ab_quota;
			bus_ib_quota += ctl->bus_ib_quota;

			if (ctl->clk_rate > clk_rate)
				clk_rate = ctl->clk_rate;
		}
	}
	if (flags & MDSS_MDP_PERF_UPDATE_BUS) {
		bus_ab_quota = bus_ab_quota << MDSS_MDP_BUS_FACTOR_SHIFT;
		bus_ib_quota = MDSS_MDP_BUS_FUDGE_FACTOR(bus_ib_quota);
		bus_ib_quota <<= MDSS_MDP_BUS_FACTOR_SHIFT;

		if ((bus_ib_quota == 0) && (clk_rate > 0)) {
			/* allocate min bw for panel cmds if mdp is active */
			bus_ib_quota = SZ_16M;
		}
		mdss_mdp_bus_scale_set_quota(bus_ab_quota, bus_ib_quota);
	}
	if (flags & MDSS_MDP_PERF_UPDATE_CLK) {
		clk_rate = MDSS_MDP_CLK_FUDGE_FACTOR(clk_rate);
		pr_debug("update clk rate = %lu\n", clk_rate);
		mdss_mdp_set_clk_rate(clk_rate);
	}
	mutex_unlock(&mdss_mdp_ctl_lock);

	return 0;
}

Exemple #2

static int mdss_mdp_ctl_perf_commit(struct mdss_data_type *mdata, u32 flags)
{
	struct mdss_mdp_ctl *ctl;
	int cnum;
	unsigned long clk_rate = 0;
	u64 bus_ab_quota = 0, bus_ib_quota = 0;

	if (!flags) {
		pr_err("nothing to update\n");
		return -EINVAL;
	}

	mutex_lock(&mdss_mdp_ctl_lock);
	for (cnum = 0; cnum < mdata->nctl; cnum++) {
		ctl = mdata->ctl_off + cnum;
		if (ctl->power_on) {
			bus_ab_quota += ctl->bus_ab_quota;
			bus_ib_quota += ctl->bus_ib_quota;

			if (ctl->clk_rate > clk_rate)
				clk_rate = ctl->clk_rate;
		}
	}
	if (flags & MDSS_MDP_PERF_UPDATE_BUS) {
		bus_ab_quota = bus_ib_quota << MDSS_MDP_BUS_FACTOR_SHIFT;
		bus_ib_quota = MDSS_MDP_BUS_FUDGE_FACTOR(bus_ib_quota);
		bus_ib_quota <<= MDSS_MDP_BUS_FACTOR_SHIFT;

		mdss_mdp_bus_scale_set_quota(bus_ab_quota, bus_ib_quota);
	}
	if (flags & MDSS_MDP_PERF_UPDATE_CLK) {
		clk_rate = MDSS_MDP_CLK_FUDGE_FACTOR(clk_rate);
		pr_debug("update clk rate = %lu\n", clk_rate);
		mdss_mdp_set_clk_rate(clk_rate);
	}
	mutex_unlock(&mdss_mdp_ctl_lock);

	return 0;
}