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From: Esteban Urrutia via B4 Relay <devnull+esteuwu.proton.me@kernel.org>
To: Bjorn Andersson <andersson@kernel.org>,
	 Michael Turquette <mturquette@baylibre.com>,
	 Stephen Boyd <sboyd@kernel.org>,
	Brian Masney <bmasney@redhat.com>,
	 Dmitry Baryshkov <lumag@kernel.org>,
	 Jagadeesh Kona <quic_jkona@quicinc.com>
Cc: linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org,
	 linux-kernel@vger.kernel.org, phone-devel@vger.kernel.org,
	 Esteban Urrutia <esteuwu@proton.me>,
	 Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Subject: [PATCH v3 1/3] clk: qcom: dispcc-sm8450: Fix disp_cc_mdss_mdp_clk_src ops
Date: Mon, 13 Jul 2026 23:28:17 -0400	[thread overview]
Message-ID: <20260713-sm8450-qol-dispcc-v3-1-56fd05822270@proton.me> (raw)
In-Reply-To: <20260713-sm8450-qol-dispcc-v3-0-56fd05822270@proton.me>

From: Esteban Urrutia <esteuwu@proton.me>

If the clock frequency is changed at registration time, a flicker will be
visible at boot.
Switching to clk_rcg2_shared_no_init_park_ops fixes this.

Fixes: 16fb89f92ec4 ("clk: qcom: Add support for Display Clock Controller on SM8450")
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Esteban Urrutia <esteuwu@proton.me>
---
 drivers/clk/qcom/dispcc-sm8450.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clk/qcom/dispcc-sm8450.c b/drivers/clk/qcom/dispcc-sm8450.c
index 3af120e54cdd..c7e04bd315d5 100644
--- a/drivers/clk/qcom/dispcc-sm8450.c
+++ b/drivers/clk/qcom/dispcc-sm8450.c
@@ -613,7 +613,7 @@ static struct clk_rcg2 disp_cc_mdss_mdp_clk_src = {
 		.parent_data = disp_cc_parent_data_5,
 		.num_parents = ARRAY_SIZE(disp_cc_parent_data_5),
 		.flags = CLK_SET_RATE_PARENT,
-		.ops = &clk_rcg2_shared_ops,
+		.ops = &clk_rcg2_shared_no_init_park_ops,
 	},
 };
 

-- 
2.55.0



  reply	other threads:[~2026-07-14  3:28 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-14  3:28 [PATCH v3 0/3] SM8450 QoL changes (dispcc) Esteban Urrutia via B4 Relay
2026-07-14  3:28 ` Esteban Urrutia via B4 Relay [this message]
2026-07-17 21:02   ` [PATCH v3 1/3] clk: qcom: dispcc-sm8450: Fix disp_cc_mdss_mdp_clk_src ops David Heidelberg
2026-07-14  3:28 ` [PATCH v3 2/3] clk: qcom: dispcc-sm8450: Migrate to qcom_cc_driver_data Esteban Urrutia via B4 Relay
2026-07-14  3:28 ` [PATCH v3 3/3] clk: qcom: alpha-pll: Check Lucid Ole PLL status before configuring Esteban Urrutia via B4 Relay
2026-07-15  9:31   ` Konrad Dybcio

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