static enum handoff hdmi_20nm_vco_handoff(struct clk *c)
{
    enum handoff ret = HANDOFF_DISABLED_CLK;
    struct hdmi_pll_vco_clk *vco = to_hdmi_20nm_vco_clk(c);
    struct mdss_pll_resources *io = vco->priv;

    if (mdss_pll_resource_enable(io, true)) {
        pr_err("pll resource can't be enabled\n");
        return ret;
    }

    io->handoff_resources = true;

    if (hdmi_20nm_pll_lock_status(io)) {
        io->pll_on = true;
        c->rate = hdmi_20nm_vco_get_rate(c);
        ret = HANDOFF_ENABLED_CLK;
    } else {
        io->handoff_resources = false;
        mdss_pll_resource_enable(io, false);
    }

    pr_debug("done, ret=%d\n", ret);
    return ret;
}
int dsi_pll_mux_prepare(struct clk *c)
{
	struct mux_clk *mux = to_mux_clk(c);
	int i, rc, sel = 0;
	struct mdss_pll_resources *dsi_pll_res = mux->priv;

	rc = mdss_pll_resource_enable(dsi_pll_res, true);
	if (rc) {
		pr_err("Failed to enable mdss dsi pll resources\n");
		return rc;
	}

	for (i = 0; i < mux->num_parents; i++)
		if (mux->parents[i].src == c->parent) {
			sel = mux->parents[i].sel;
			break;
		}

	if (i == mux->num_parents) {
		pr_err("Failed to select the parent clock\n");
		rc = -EINVAL;
		goto error;
	}

	/* Restore the mux source select value */
	rc = mux->ops->set_mux_sel(mux, sel);

error:
	mdss_pll_resource_enable(dsi_pll_res, false);
	return rc;
}
예제 #3
0
static int dsi_pll_enable(struct clk *c)
{
	int i, rc;
	struct dsi_pll_vco_clk *vco = to_vco_clk(c);
	struct mdss_pll_resources *dsi_pll_res = vco->priv;

	rc = mdss_pll_resource_enable(dsi_pll_res, true);
	if (rc) {
		pr_err("Failed to enable mdss dsi pll resources\n");
		return rc;
	}

	/* Try all enable sequences until one succeeds */
	for (i = 0; i < vco->pll_en_seq_cnt; i++) {
		rc = vco->pll_enable_seqs[i](dsi_pll_res);
		pr_debug("DSI PLL %s after sequence #%d\n",
			rc ? "unlocked" : "locked", i + 1);
		if (!rc)
			break;
	}

	if (rc) {
		mdss_pll_resource_enable(dsi_pll_res, false);
		pr_err("DSI PLL failed to lock\n");
	}
	dsi_pll_res->pll_on = true;

	return rc;
}
static int hdmi_20nm_vco_set_rate(struct clk *c, unsigned long rate)
{
    struct hdmi_pll_vco_clk *vco = to_hdmi_20nm_vco_clk(c);
    struct mdss_pll_resources *io = vco->priv;
    void __iomem		*pll_base;
    void __iomem		*phy_base;
    unsigned int set_power_dwn = 0;
    int rc;

    rc = mdss_pll_resource_enable(io, true);
    if (rc) {
        pr_err("pll resource can't be enabled\n");
        return rc;
    }

    if (io->pll_on)
        set_power_dwn = 1;

    pll_base = io->pll_base;
    phy_base = io->phy_base;

    pr_debug("rate=%ld\n", rate);

    hdmi_20nm_phy_pll_set_clk_rate(c, rate);

    mdss_pll_resource_enable(io, false);

    if (set_power_dwn)
        hdmi_20nm_vco_enable(c);

    vco->rate = rate;
    vco->rate_set = true;

    return 0;
}
static int vco_set_rate_lpm(struct clk *c, unsigned long rate)
{
	int rc;
	struct dsi_pll_vco_clk *vco = to_vco_clk(c);
	struct mdss_pll_resources *dsi_pll_res = vco->priv;

	rc = mdss_pll_resource_enable(dsi_pll_res, true);
	if (rc) {
		pr_err("Failed to enable mdss dsi pll resources\n");
		return rc;
	}

	/*
	 * DSI PLL software reset. Add HW recommended delays after toggling
	 * the software reset bit off and back on.
	 */
	MDSS_PLL_REG_W(dsi_pll_res->pll_base,
			DSI_PHY_PLL_UNIPHY_PLL_TEST_CFG, 0x01);
	udelay(1000);
	MDSS_PLL_REG_W(dsi_pll_res->pll_base,
			DSI_PHY_PLL_UNIPHY_PLL_TEST_CFG, 0x00);
	udelay(1000);

	rc = vco_set_rate(vco, rate);

	mdss_pll_resource_enable(dsi_pll_res, false);
	return rc;
}
예제 #6
0
static unsigned long vco_get_rate(struct clk *c)
{
	u32 sdm0, doubler, sdm_byp_div;
	u64 vco_rate;
	u32 sdm_dc_off, sdm_freq_seed, sdm2, sdm3;
	struct dsi_pll_vco_clk *vco = to_vco_clk(c);
	u64 ref_clk = vco->ref_clk_rate;
	int rc;
	struct mdss_pll_resources *dsi_pll_res = vco->priv;

	rc = mdss_pll_resource_enable(dsi_pll_res, true);
	if (rc) {
		pr_err("Failed to enable mdss dsi pll resources\n");
		return rc;
	}

	/* Check to see if the ref clk doubler is enabled */
	doubler = MDSS_PLL_REG_R(dsi_pll_res->pll_base,
				 DSI_PHY_PLL_UNIPHY_PLL_REFCLK_CFG) & BIT(0);
	ref_clk += (doubler * vco->ref_clk_rate);

	/* see if it is integer mode or sdm mode */
	sdm0 = MDSS_PLL_REG_R(dsi_pll_res->pll_base,
					DSI_PHY_PLL_UNIPHY_PLL_SDM_CFG0);
	if (sdm0 & BIT(6)) {
		/* integer mode */
		sdm_byp_div = (MDSS_PLL_REG_R(dsi_pll_res->pll_base,
			DSI_PHY_PLL_UNIPHY_PLL_SDM_CFG0) & 0x3f) + 1;
		vco_rate = ref_clk * sdm_byp_div;
	} else {
		/* sdm mode */
		sdm_dc_off = MDSS_PLL_REG_R(dsi_pll_res->pll_base,
			DSI_PHY_PLL_UNIPHY_PLL_SDM_CFG1) & 0xFF;
		pr_debug("sdm_dc_off = %d\n", sdm_dc_off);
		sdm2 = MDSS_PLL_REG_R(dsi_pll_res->pll_base,
			DSI_PHY_PLL_UNIPHY_PLL_SDM_CFG2) & 0xFF;
		sdm3 = MDSS_PLL_REG_R(dsi_pll_res->pll_base,
			DSI_PHY_PLL_UNIPHY_PLL_SDM_CFG3) & 0xFF;
		sdm_freq_seed = (sdm3 << 8) | sdm2;
		pr_debug("sdm_freq_seed = %d\n", sdm_freq_seed);

		vco_rate = (ref_clk * (sdm_dc_off + 1)) +
			mult_frac(ref_clk, sdm_freq_seed, BIT(16));
		pr_debug("vco rate = %lld", vco_rate);
	}

	pr_debug("returning vco rate = %lu\n", (unsigned long)vco_rate);

	mdss_pll_resource_enable(dsi_pll_res, false);

	return (unsigned long)vco_rate;
}
예제 #7
0
static int vco_set_rate_dummy(struct clk *c, unsigned long rate)
{
	struct dsi_pll_vco_clk *vco = to_vco_clk(c);
	struct mdss_pll_resources *pll_res = vco->priv;

	mdss_pll_resource_enable(pll_res, true);
	pll_20nm_config_powerdown(pll_res->pll_base);
	mdss_pll_resource_enable(pll_res, false);

	pr_debug("Configuring PLL1 registers.\n");

	return 0;
}
static unsigned long hdmi_20nm_vco_get_rate(struct clk *c)
{
    unsigned long freq = 0;
    int rc;
    struct hdmi_pll_vco_clk *vco = to_hdmi_20nm_vco_clk(c);
    struct mdss_pll_resources *io = vco->priv;

    rc = mdss_pll_resource_enable(io, true);
    if (rc) {
        pr_err("pll resource can't be enabled\n");
        return rc;
    }

    mdss_pll_resource_enable(io, false);

    return freq;
}
예제 #9
0
static int analog_set_div(struct div_clk *clk, int div)
{
	int rc;
	struct mdss_pll_resources *dsi_pll_res = clk->priv;

	rc = mdss_pll_resource_enable(dsi_pll_res, true);
	if (rc) {
		pr_err("Failed to enable mdss dsi pll resources\n");
		return rc;
	}

	MDSS_PLL_REG_W(dsi_pll_res->pll_base,
				DSI_PHY_PLL_UNIPHY_PLL_POSTDIV1_CFG, div - 1);

	mdss_pll_resource_enable(dsi_pll_res, false);
	return rc;
}
예제 #10
0
static int digital_get_div(struct div_clk *clk)
{
	int div = 0, rc;
	struct mdss_pll_resources *dsi_pll_res = clk->priv;

	rc = mdss_pll_resource_enable(dsi_pll_res, true);
	if (rc) {
		pr_err("Failed to enable mdss dsi pll resources\n");
		return rc;
	}

	div = MDSS_PLL_REG_R(dsi_pll_res->pll_base,
					DSI_PHY_PLL_UNIPHY_PLL_POSTDIV3_CFG);

	mdss_pll_resource_enable(dsi_pll_res, false);
	return div + 1;
}
static int hdmi_20nm_pll_lock_status(struct mdss_pll_resources *io)
{
    u32 status;
    int pll_locked = 0;
    int phy_ready = 0;
    int rc;

    rc = mdss_pll_resource_enable(io, true);
    if (rc) {
        pr_err("pll resource can't be enabled\n");
        return rc;
    }

    /* Poll for C_READY and PHY READY */
    pr_debug("%s: Waiting for PHY Ready\n", __func__);

    /* poll for PLL ready status */
    if (!readl_poll_timeout_noirq(
                (io->pll_base + QSERDES_COM_RESET_SM),
                status, ((status & BIT(6)) == 1),
                HDMI_PLL_POLL_MAX_READS,
                HDMI_PLL_POLL_TIMEOUT_US)) {
        pr_debug("%s: C READY\n", __func__);
        pll_locked = 1;
    } else {
        pr_debug("%s: C READY TIMEOUT\n", __func__);
        pll_locked = 0;
    }

    /* poll for PHY ready status */
    if (pll_locked && !readl_poll_timeout_noirq(
                (io->phy_base + HDMI_PHY_STATUS),
                status, ((status & BIT(0)) == 1),
                HDMI_PLL_POLL_MAX_READS,
                HDMI_PLL_POLL_TIMEOUT_US)) {
        pr_debug("%s: PHY READY\n", __func__);
        phy_ready = 1;
    } else {
        pr_debug("%s: PHY READY TIMEOUT\n", __func__);
        phy_ready = 0;
    }
    mdss_pll_resource_enable(io, false);

    return phy_ready;
}
예제 #12
0
int set_byte_mux_sel(struct mux_clk *clk, int sel)
{
	int rc;
	struct mdss_pll_resources *dsi_pll_res = clk->priv;

	rc = mdss_pll_resource_enable(dsi_pll_res, true);
	if (rc) {
		pr_err("Failed to enable mdss dsi pll resources\n");
		return rc;
	}

	pr_debug("byte mux set to %s mode\n", sel ? "indirect" : "direct");
	MDSS_PLL_REG_W(dsi_pll_res->pll_base,
				DSI_PHY_PLL_UNIPHY_PLL_VREG_CFG, (sel << 1));

	mdss_pll_resource_enable(dsi_pll_res, false);
	return 0;
}
예제 #13
0
static void dsi_pll_off_work(struct work_struct *work)
{
	struct mdss_pll_resources *pll_res;

	if (!work) {
		pr_err("pll_resource is invalid\n");
		return;
	}

	pr_debug("Starting PLL off Worker%s\n", __func__);

	pll_res = container_of(work, struct
			mdss_pll_resources, pll_off);

	mdss_pll_resource_enable(pll_res, true);
	pll_20nm_config_powerdown(pll_res->pll_base);
	mdss_pll_resource_enable(pll_res, false);
}
예제 #14
0
int get_byte_mux_sel(struct mux_clk *clk)
{
	int mux_mode, rc;
	struct mdss_pll_resources *dsi_pll_res = clk->priv;

	rc = mdss_pll_resource_enable(dsi_pll_res, true);
	if (rc) {
		pr_err("Failed to enable mdss dsi pll resources\n");
		return rc;
	}

	mux_mode = MDSS_PLL_REG_R(dsi_pll_res->pll_base,
				DSI_PHY_PLL_UNIPHY_PLL_VREG_CFG) & BIT(1);

	pr_debug("byte mux mode = %s", mux_mode ? "indirect" : "direct");
	mdss_pll_resource_enable(dsi_pll_res, false);

	return !!mux_mode;
}
예제 #15
0
static int vco_set_rate_20nm(struct clk *c, unsigned long rate)
{
	int rc;
	struct dsi_pll_vco_clk *vco = to_vco_clk(c);
	struct mdss_pll_resources *dsi_pll_res = vco->priv;

	rc = mdss_pll_resource_enable(dsi_pll_res, true);
	if (rc) {
		pr_err("Failed to enable mdss dsi pll resources\n");
		return rc;
	}

	pr_debug("Cancel pending pll off work\n");
	cancel_work_sync(&dsi_pll_res->pll_off);
	rc = pll_20nm_vco_set_rate(vco, rate);

	mdss_pll_resource_enable(dsi_pll_res, false);
	return rc;
}
static int vco_set_rate_hpm(struct clk *c, unsigned long rate)
{
	int rc;
	struct dsi_pll_vco_clk *vco = to_vco_clk(c);
	struct mdss_pll_resources *dsi_pll_res = vco->priv;

	rc = mdss_pll_resource_enable(dsi_pll_res, true);
	if (rc) {
		pr_err("Failed to enable mdss dsi pll resources\n");
		return rc;
	}

	dsi_pll_software_reset(dsi_pll_res);

	rc = vco_set_rate(vco, rate);

	mdss_pll_resource_enable(dsi_pll_res, false);
	return rc;
}
예제 #17
0
static void dsi_pll_disable(struct clk *c)
{
	struct dsi_pll_vco_clk *vco = to_vco_clk(c);
	struct mdss_pll_resources *dsi_pll_res = vco->priv;

	if (!dsi_pll_res->pll_on &&
		mdss_pll_resource_enable(dsi_pll_res, true)) {
		pr_err("Failed to enable mdss dsi pll resources\n");
		return;
	}

	dsi_pll_res->handoff_resources = false;

	MDSS_PLL_REG_W(dsi_pll_res->pll_base,
				DSI_PHY_PLL_UNIPHY_PLL_GLB_CFG, 0x00);

	mdss_pll_resource_enable(dsi_pll_res, false);
	dsi_pll_res->pll_on = false;

	pr_debug("DSI PLL Disabled\n");
	return;
}
static void hdmi_20nm_vco_unprepare(struct clk *c)
{
    struct hdmi_pll_vco_clk *vco = to_hdmi_20nm_vco_clk(c);
    struct mdss_pll_resources *io = vco->priv;

    vco->rate_set = false;

    if (!io) {
        pr_err("Invalid input parameter\n");
        return;
    }

    if (!io->pll_on &&
            mdss_pll_resource_enable(io, true)) {
        pr_err("pll resource can't be enabled\n");
        return;
    }

    io->handoff_resources = false;
    mdss_pll_resource_enable(io, false);
    io->pll_on = false;
}
예제 #19
0
static enum handoff vco_handoff(struct clk *c)
{
	int rc;
	enum handoff ret = HANDOFF_DISABLED_CLK;
	struct dsi_pll_vco_clk *vco = to_vco_clk(c);
	struct mdss_pll_resources *dsi_pll_res = vco->priv;

	rc = mdss_pll_resource_enable(dsi_pll_res, true);
	if (rc) {
		pr_err("Failed to enable mdss dsi pll resources\n");
		return ret;
	}

	if (dsi_pll_lock_status(dsi_pll_res)) {
		dsi_pll_res->handoff_resources = true;
		dsi_pll_res->pll_on = true;
		c->rate = vco_get_rate(c);
		ret = HANDOFF_ENABLED_CLK;
	} else {
		mdss_pll_resource_enable(dsi_pll_res, false);
	}

	return ret;
}
static int hdmi_20nm_vco_prepare(struct clk *c)
{
    struct hdmi_pll_vco_clk *vco = to_hdmi_20nm_vco_clk(c);
    struct mdss_pll_resources *io = vco->priv;
    int ret = 0;

    pr_debug("rate=%ld\n", vco->rate);

    if (!vco->rate_set && vco->rate)
        ret = hdmi_20nm_vco_set_rate(c, vco->rate);

    if (!ret) {
        ret = mdss_pll_resource_enable(io, true);
        if (ret)
            pr_err("pll resource can't be enabled\n");
    }

    return ret;
}
예제 #21
0
static int vco_set_rate(struct clk *c, unsigned long rate)
{
	s64 vco_clk_rate = rate;
	s32 rem;
	s64 refclk_cfg, frac_n_mode, ref_doubler_en_b;
	s64 ref_clk_to_pll, div_fbx1000, frac_n_value;
	s64 sdm_cfg0, sdm_cfg1, sdm_cfg2, sdm_cfg3;
	s64 gen_vco_clk, cal_cfg10, cal_cfg11;
	u32 res;
	int i, rc;
	struct dsi_pll_vco_clk *vco = to_vco_clk(c);
	struct mdss_pll_resources *dsi_pll_res = vco->priv;

	rc = mdss_pll_resource_enable(dsi_pll_res, true);
	if (rc) {
		pr_err("Failed to enable mdss dsi pll resources\n");
		return rc;
	}

	/* Configure the Loop filter resistance */
	for (i = 0; i < vco->lpfr_lut_size; i++)
		if (vco_clk_rate <= vco->lpfr_lut[i].vco_rate)
			break;
	if (i == vco->lpfr_lut_size) {
		pr_err("unable to get loop filter resistance. vco=%ld\n", rate);
		rc = -EINVAL;
		goto error;
	}
	res = vco->lpfr_lut[i].r;
	MDSS_PLL_REG_W(dsi_pll_res->pll_base,
				DSI_PHY_PLL_UNIPHY_PLL_LPFR_CFG, res);

	/* Loop filter capacitance values : c1 and c2 */
	MDSS_PLL_REG_W(dsi_pll_res->pll_base,
				DSI_PHY_PLL_UNIPHY_PLL_LPFC1_CFG, 0x70);
	MDSS_PLL_REG_W(dsi_pll_res->pll_base,
				DSI_PHY_PLL_UNIPHY_PLL_LPFC2_CFG, 0x15);

	div_s64_rem(vco_clk_rate, vco->ref_clk_rate, &rem);
	if (rem) {
		refclk_cfg = 0x1;
		frac_n_mode = 1;
		ref_doubler_en_b = 0;
	} else {
		refclk_cfg = 0x0;
		frac_n_mode = 0;
		ref_doubler_en_b = 1;
	}

	pr_debug("refclk_cfg = %lld\n", refclk_cfg);

	ref_clk_to_pll = ((vco->ref_clk_rate * 2 * (refclk_cfg))
			  + (ref_doubler_en_b * vco->ref_clk_rate));
	div_fbx1000 = div_s64((vco_clk_rate * 1000), ref_clk_to_pll);

	div_s64_rem(div_fbx1000, 1000, &rem);
	frac_n_value = div_s64((rem * (1 << 16)), 1000);
	gen_vco_clk = div_s64(div_fbx1000 * ref_clk_to_pll, 1000);

	pr_debug("ref_clk_to_pll = %lld\n", ref_clk_to_pll);
	pr_debug("div_fb = %lld\n", div_fbx1000);
	pr_debug("frac_n_value = %lld\n", frac_n_value);

	pr_debug("Generated VCO Clock: %lld\n", gen_vco_clk);
	rem = 0;
	if (frac_n_mode) {
		sdm_cfg0 = (0x0 << 5);
		sdm_cfg0 |= (0x0 & 0x3f);
		sdm_cfg1 = (div_s64(div_fbx1000, 1000) & 0x3f) - 1;
		sdm_cfg3 = div_s64_rem(frac_n_value, 256, &rem);
		sdm_cfg2 = rem;
	} else {
		sdm_cfg0 = (0x1 << 5);
		sdm_cfg0 |= (div_s64(div_fbx1000, 1000) & 0x3f) - 1;
		sdm_cfg1 = (0x0 & 0x3f);
		sdm_cfg2 = 0;
		sdm_cfg3 = 0;
	}

	pr_debug("sdm_cfg0=%lld\n", sdm_cfg0);
	pr_debug("sdm_cfg1=%lld\n", sdm_cfg1);
	pr_debug("sdm_cfg2=%lld\n", sdm_cfg2);
	pr_debug("sdm_cfg3=%lld\n", sdm_cfg3);

	cal_cfg11 = div_s64_rem(gen_vco_clk, 256 * 1000000, &rem);
	cal_cfg10 = rem / 1000000;
	pr_debug("cal_cfg10=%lld, cal_cfg11=%lld\n", cal_cfg10, cal_cfg11);

	MDSS_PLL_REG_W(dsi_pll_res->pll_base,
			DSI_PHY_PLL_UNIPHY_PLL_CHGPUMP_CFG, 0x02);
	MDSS_PLL_REG_W(dsi_pll_res->pll_base,
			DSI_PHY_PLL_UNIPHY_PLL_CAL_CFG3, 0x2b);
	MDSS_PLL_REG_W(dsi_pll_res->pll_base,
			DSI_PHY_PLL_UNIPHY_PLL_CAL_CFG4, 0x66);
	MDSS_PLL_REG_W(dsi_pll_res->pll_base,
			DSI_PHY_PLL_UNIPHY_PLL_LKDET_CFG2, 0x0d);

	MDSS_PLL_REG_W(dsi_pll_res->pll_base,
		DSI_PHY_PLL_UNIPHY_PLL_SDM_CFG1, (u32)(sdm_cfg1 & 0xff));
	MDSS_PLL_REG_W(dsi_pll_res->pll_base,
		DSI_PHY_PLL_UNIPHY_PLL_SDM_CFG2, (u32)(sdm_cfg2 & 0xff));
	MDSS_PLL_REG_W(dsi_pll_res->pll_base,
		DSI_PHY_PLL_UNIPHY_PLL_SDM_CFG3, (u32)(sdm_cfg3 & 0xff));
	MDSS_PLL_REG_W(dsi_pll_res->pll_base,
				DSI_PHY_PLL_UNIPHY_PLL_SDM_CFG4, 0x00);

	/* Add hardware recommended delay for correct PLL configuration */
	udelay(1);

	MDSS_PLL_REG_W(dsi_pll_res->pll_base,
			DSI_PHY_PLL_UNIPHY_PLL_REFCLK_CFG, (u32)refclk_cfg);
	MDSS_PLL_REG_W(dsi_pll_res->pll_base,
			DSI_PHY_PLL_UNIPHY_PLL_PWRGEN_CFG, 0x00);
	MDSS_PLL_REG_W(dsi_pll_res->pll_base,
			DSI_PHY_PLL_UNIPHY_PLL_VCOLPF_CFG, 0x71);
	MDSS_PLL_REG_W(dsi_pll_res->pll_base,
			DSI_PHY_PLL_UNIPHY_PLL_SDM_CFG0, (u32)sdm_cfg0);
	MDSS_PLL_REG_W(dsi_pll_res->pll_base,
			DSI_PHY_PLL_UNIPHY_PLL_CAL_CFG0, 0x12);
	MDSS_PLL_REG_W(dsi_pll_res->pll_base,
			DSI_PHY_PLL_UNIPHY_PLL_CAL_CFG6, 0x30);
	MDSS_PLL_REG_W(dsi_pll_res->pll_base,
			DSI_PHY_PLL_UNIPHY_PLL_CAL_CFG7, 0x00);
	MDSS_PLL_REG_W(dsi_pll_res->pll_base,
			DSI_PHY_PLL_UNIPHY_PLL_CAL_CFG8, 0x60);
	MDSS_PLL_REG_W(dsi_pll_res->pll_base,
			DSI_PHY_PLL_UNIPHY_PLL_CAL_CFG9, 0x00);
	MDSS_PLL_REG_W(dsi_pll_res->pll_base,
		DSI_PHY_PLL_UNIPHY_PLL_CAL_CFG10, (u32)(cal_cfg10 & 0xff));
	MDSS_PLL_REG_W(dsi_pll_res->pll_base,
		DSI_PHY_PLL_UNIPHY_PLL_CAL_CFG11, (u32)(cal_cfg11 & 0xff));
	MDSS_PLL_REG_W(dsi_pll_res->pll_base,
			DSI_PHY_PLL_UNIPHY_PLL_EFUSE_CFG, 0x20);

error:
	mdss_pll_resource_enable(dsi_pll_res, false);
	return rc;
}