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From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: David Heidelberg <david@ixit.cz>,
	Jens Reidel <adrian@mainlining.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Michael Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@kernel.org>, Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Danila Tikhonov <danila@jiaxyga.com>,
	David Wronek <david@mainlining.org>,
	Petr Hodina <phodina@protonmail.com>
Cc: linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	phone-devel@vger.kernel.org, linux@mainlining.org,
	~postmarketos/upstreaming@lists.sr.ht
Subject: Re: [PATCH 3/3] clk: qcom: dispcc-sm7150: Fix dispcc_mdss_pclk0_clk_src
Date: Tue, 13 Jan 2026 15:41:10 +0100	[thread overview]
Message-ID: <8379850d-6c81-4cc6-8092-c925d8e90436@oss.qualcomm.com> (raw)
In-Reply-To: <bbcbb227-7dd4-45dd-93a9-023ac445f4c0@ixit.cz>

On 1/7/26 12:50 PM, David Heidelberg wrote:
> On 19/09/2025 14:34, Jens Reidel wrote:
>> Set CLK_OPS_PARENT_ENABLE to ensure the parent gets prepared and enabled
>> when switching to it, fixing an "rcg didn't update its configuration"
>> warning.
>>
>> Signed-off-by: Jens Reidel <adrian@mainlining.org>
>> ---
>>   drivers/clk/qcom/dispcc-sm7150.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/clk/qcom/dispcc-sm7150.c b/drivers/clk/qcom/dispcc-sm7150.c
>> index 0a7f6ec7a2a737c6f6f0484c71dd80f3dbf758b6..811d380a8e9f9bd8a8f1aecba567ebffdb893f5d 100644
>> --- a/drivers/clk/qcom/dispcc-sm7150.c
>> +++ b/drivers/clk/qcom/dispcc-sm7150.c
>> @@ -357,7 +357,7 @@ static struct clk_rcg2 dispcc_mdss_pclk0_clk_src = {
>>           .name = "dispcc_mdss_pclk0_clk_src",
>>           .parent_data = dispcc_parent_data_4,
>>           .num_parents = ARRAY_SIZE(dispcc_parent_data_4),
>> -        .flags = CLK_SET_RATE_PARENT,
>> +        .flags = CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
>>           .ops = &clk_pixel_ops,
>>       },
>>   };
>>
> 
> Hello Jens,
> 
> do you know if in the addition to dispcc_mdss_pclk0_clk_src pclk1_clk_src may need  this flag too?

Yes

Konrad

  reply	other threads:[~2026-01-13 14:41 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-09-19 12:34 [PATCH 0/3] Fixes for SM7150 dispcc driver Jens Reidel
2025-09-19 12:34 ` [PATCH 1/3] dt-bindings: clock: sm7150-dispcc: Add MDSS_CORE reset Jens Reidel
2025-09-22 19:27   ` Rob Herring (Arm)
2025-09-19 12:34 ` [PATCH 2/3] clk: qcom: dispcc-sm7150: " Jens Reidel
2025-09-19 17:01   ` Dmitry Baryshkov
2025-09-19 12:34 ` [PATCH 3/3] clk: qcom: dispcc-sm7150: Fix dispcc_mdss_pclk0_clk_src Jens Reidel
2025-09-19 17:01   ` Dmitry Baryshkov
2026-01-07 11:50   ` David Heidelberg
2026-01-13 14:41     ` Konrad Dybcio [this message]
2025-10-27 14:09 ` (subset) [PATCH 0/3] Fixes for SM7150 dispcc driver Bjorn Andersson

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