This is a note to let you know that I've just added the patch titled
phy: mediatek: hdmi: mt8195: fix prediv bad upper limit test
to the 6.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
phy-mediatek-hdmi-mt8195-fix-prediv-bad-upper-limit-.patch
and it can be found in the queue-6.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 1136a2046c2d365f848963b08f5aa8f2191b0350
Author: Guillaume Ranquet <granquet@xxxxxxxxxxxx>
Date: Tue May 30 10:43:07 2023 +0200
phy: mediatek: hdmi: mt8195: fix prediv bad upper limit test
[ Upstream commit 95bd315f0a5ed7d7afe771776272c5b3cdb29bc8 ]
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@xxxxxxxxxxxx>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20230529-hdmi_phy_fix-v1-1-bf65f53af533@xxxxxxxxxxxx
Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c b/drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c
index 8aa7251de4a96..bbfe11d6a69d7 100644
--- 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) &&
