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[90.5.10.86]) by smtp.gmail.com with ESMTPSA id k7-20020a170906054700b0096f675ce45csm6959686eja.182.2023.05.30.01.48.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 30 May 2023 01:48:46 -0700 (PDT) From: Guillaume Ranquet Date: Tue, 30 May 2023 10:43:07 +0200 Subject: [PATCH] phy: mediatek: hdmi: mt8195: fix prediv bad upper limit test MIME-Version: 1.0 Message-Id: <20230529-hdmi_phy_fix-v1-1-bf65f53af533@baylibre.com> X-B4-Tracking: v=1; b=H4sIABq3dWQC/zWNQQqDMBBFryKzNqipWuxVpISMGc0smkoCYgnev aPg8n3e42dIFJkSvIoMkTZO/A0CTVnA5G1YSLETBl3rR93pQXn3YbP6n5l5V4Oz2BO2muYnSII 2kcJow+TPCNtKLHMnp7FGkuk6HN/H8QdvJZG6gAAAAA== To: Chun-Kuang Hu , Philipp Zabel , Chunfeng Yun , Vinod Koul , Kishon Vijay Abraham I , Matthias Brugger , AngeloGioacchino Del Regno Cc: dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org, Guillaume Ranquet X-Mailer: b4 0.13-dev X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1767309977359494571?= X-GMAIL-MSGID: =?utf-8?q?1767309977359494571?= 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 Reviewed-by: AngeloGioacchino Del Regno --- drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- base-commit: 9f925874281f7e8855855d6210d6e29d844e4307 change-id: 20230529-hdmi_phy_fix-9dab6eb42ef7 Best regards, diff --git a/drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c b/drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c index 8aa7251de4a9..bbfe11d6a69d 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) &&