Merge "disp: msm: dsi: fix DSI PLL configuring sequence"

This commit is contained in:
qctecmdr
2021-04-01 15:30:13 -07:00
committad av Gerrit - the friendly Code Review server
förälder 133fc8a6e8 7471069739
incheckning 7dd54040fe
3 ändrade filer med 7 tillägg och 25 borttagningar

Visa fil

@@ -775,8 +775,7 @@ static int dsi_display_link_clk_disable(struct dsi_link_clks *clks,
if (rc)
DSI_ERR("failed to turn off master hs link clocks, rc=%d\n",
rc);
if (!mngr->is_cont_splash_enabled)
mngr->phy_pll_toggle_cb(mngr->priv_data, false);
mngr->phy_pll_toggle_cb(mngr->priv_data, false);
}
return rc;

Visa fil

@@ -135,12 +135,6 @@ struct dsi_pll_resource {
u32 vco_delay;
/*
* Certain plls' do not allow vco rate update if it is on. Keep track of
* status for them to turn on/off after set rate success.
*/
bool pll_on;
/*
* caching the pll trim codes in the case of dynamic refresh
*/

Visa fil

@@ -240,8 +240,6 @@ static void dsi_pll_setup_config(struct dsi_pll_5nm *pll,
if (rsc->ssc_ppm)
config->ssc_offset = rsc->ssc_ppm;
}
dsi_pll_config_slave(rsc);
}
static void dsi_pll_calc_dec_frac(struct dsi_pll_5nm *pll,
@@ -778,9 +776,9 @@ static unsigned long dsi_pll_byteclk_recalc_rate(struct clk_hw *hw,
byte_rate = div_u64(vco_rate, phy_post_div);
if (pll->type == DSI_PHY_TYPE_DPHY)
byte_rate = div_u64(vco_rate, 8);
byte_rate = div_u64(byte_rate, 8);
else
byte_rate = div_u64(vco_rate, 7);
byte_rate = div_u64(byte_rate, 7);
return byte_rate;
}
@@ -918,6 +916,8 @@ int dsi_pll_clock_register_5nm(struct platform_device *pdev,
pll_res->vco_min_rate = 600000000;
pll_res->vco_ref_clk_rate = 19200000UL;
dsi_pll_setup_config(pll_res->priv, pll_res);
clk_data = devm_kzalloc(&pdev->dev, sizeof(struct clk_onecell_data),
GFP_KERNEL);
if (!clk_data)
@@ -1076,9 +1076,6 @@ static int dsi_pll_5nm_vco_set_rate(struct dsi_pll_resource *pll_res)
{
struct dsi_pll_5nm *pll;
if (pll_res->pll_on)
return 0;
pll = pll_res->priv;
if (!pll) {
DSI_PLL_ERR(pll_res, "pll configuration not found\n");
@@ -1091,7 +1088,7 @@ static int dsi_pll_5nm_vco_set_rate(struct dsi_pll_resource *pll_res)
dsi_pll_detect_phy_mode(pll, pll_res);
dsi_pll_setup_config(pll, pll_res);
dsi_pll_config_slave(pll_res);
dsi_pll_calc_dec_frac(pll, pll_res);
@@ -1364,7 +1361,7 @@ static int dsi_pll_5nm_dynamic_clk_vco_set_rate(struct dsi_pll_resource *rsc)
rsc->vco_current_rate = rate;
dsi_pll_setup_config(pll, rsc);
dsi_pll_config_slave(rsc);
dsi_pll_calc_dec_frac(pll, rsc);
@@ -1394,8 +1391,6 @@ static int dsi_pll_5nm_enable(struct dsi_pll_resource *rsc)
goto error;
}
rsc->pll_on = true;
/*
* assert power on reset for PHY digital in case the PLL is
* enabled after CX of analog domain power collapse. This needs
@@ -1419,11 +1414,6 @@ static int dsi_pll_5nm_disable(struct dsi_pll_resource *rsc)
{
int rc = 0;
if (!rsc->pll_on) {
DSI_PLL_ERR(rsc, "is not enabled\n");
return -EINVAL;
}
DSI_PLL_DBG(rsc, "stop PLL\n");
/*
@@ -1442,7 +1432,6 @@ static int dsi_pll_5nm_disable(struct dsi_pll_resource *rsc)
}
/* flush, ensure all register writes are done*/
wmb();
rsc->pll_on = false;
return rc;
}