phy: mediatek: hdmi: mt8195: fix prediv bad upper limit test

The pll prediv calculus searchs for the smallest prediv that gets
the ns_hdmipll_ck in the range of 5 GHz to 12 GHz.

A typo in the upper bound test was testing for 5Ghz to 1Ghz

Fixes: 45810d486bb44 ("phy: mediatek: add support for phy-mtk-hdmi-mt8195")
Signed-off-by: Guillaume Ranquet <granquet@baylibre.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230529-hdmi_phy_fix-v1-1-bf65f53af533@baylibre.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c b/drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c
index 8aa7251..bbfe11d 100644 (file)
--- a/drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c
+++ b/drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c
@@ -253,7 +253,7 @@ static int mtk_hdmi_pll_calc(struct mtk_hdmi_phy *hdmi_phy, struct clk_hw *hw,
        for (i = 0; i < ARRAY_SIZE(txpredivs); i++) {
                ns_hdmipll_ck = 5 * tmds_clk * txposdiv * txpredivs[i];
                if (ns_hdmipll_ck >= 5 * GIGA &&
-                   ns_hdmipll_ck <= 1 * GIGA)
+                   ns_hdmipll_ck <= 12 * GIGA)
                        break;
        }
        if (i == (ARRAY_SIZE(txpredivs) - 1) &&