[PATCH 3/6] drm: bridge: samsung-dsim: Fetch pll-clock-frequency automatically

[Adam Ford]

Fetch the clock rate of "sclk_mipi" (or "pll_clk") instead of
having an entry in the device tree for samsung,pll-clock-frequency.

Signed-off-by: Adam Ford <aford...@gmail.com>
---
 drivers/gpu/drm/bridge/samsung-dsim.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/bridge/samsung-dsim.c 
b/drivers/gpu/drm/bridge/samsung-dsim.c
index 9fec32b44e05..73f0c3fbbdf5 100644
--- a/drivers/gpu/drm/bridge/samsung-dsim.c
+++ b/drivers/gpu/drm/bridge/samsung-dsim.c
@@ -1744,11 +1744,6 @@ static int samsung_dsim_parse_dt(struct samsung_dsim 
*dsi)
        struct device_node *node = dev->of_node;
        int ret;
 
-       ret = samsung_dsim_of_read_u32(node, "samsung,pll-clock-frequency",
-                                      &dsi->pll_clk_rate);
-       if (ret < 0)
-               return ret;
-
        ret = samsung_dsim_of_read_u32(node, "samsung,burst-clock-frequency",
                                       &dsi->burst_clk_rate);
        if (ret < 0)
@@ -1823,13 +1818,18 @@ int samsung_dsim_probe(struct platform_device *pdev)
                if (IS_ERR(dsi->clks[i])) {
                        if (strcmp(clk_names[i], "sclk_mipi") == 0) {
                                dsi->clks[i] = devm_clk_get(dev, 
OLD_SCLK_MIPI_CLK_NAME);
-                               if (!IS_ERR(dsi->clks[i]))
+                               if (!IS_ERR(dsi->clks[i])) {
+                                       dsi->pll_clk_rate = 
clk_get_rate(dsi->clks[i]);
                                        continue;
+                               }
                        }
 
                        dev_info(dev, "failed to get the clock: %s\n", 
clk_names[i]);
                        return PTR_ERR(dsi->clks[i]);
                }
+
+               if (strcmp(clk_names[i], "sclk_mipi") == 0)
+                       dsi->pll_clk_rate = clk_get_rate(dsi->clks[i]);
        }
 
        dsi->reg_base = devm_platform_ioremap_resource(pdev, 0);
-- 
2.39.2