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From: Dmitry Osipenko <digetx@gmail.com>
To: Svyatoslav Ryhel <clamor95@gmail.com>,
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Maxime Ripard <mripard@kernel.org>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Thierry Reding <thierry.reding@gmail.com>,
	Thierry Reding <treding@nvidia.com>,
	Jonathan Hunter <jonathanh@nvidia.com>,
	Peter De Schrijver <pdeschrijver@nvidia.com>,
	Prashant Gaikwad <pgaikwad@nvidia.com>,
	Michael Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@kernel.org>,
	Mikko Perttunen <mperttunen@nvidia.com>
Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org,
	linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-clk@vger.kernel.org
Subject: Re: [PATCH v1 3/5] gpu/drm: host1x: mipi: add Tegra20/Tegra30 MIPI calibration logic
Date: Sat, 16 Aug 2025 17:36:58 +0300	[thread overview]
Message-ID: <83755868-09b3-4bd1-8b40-0a4b9f497d2f@gmail.com> (raw)
In-Reply-To: <20250717142139.57621-4-clamor95@gmail.com>

17.07.2025 17:21, Svyatoslav Ryhel пишет:
> @@ -525,6 +599,14 @@ static int tegra_mipi_probe(struct platform_device *pdev)
>  		return PTR_ERR(mipi->clk);
>  	}
>  
> +	if (mipi->soc->dsi_v0) {
> +		mipi->csi_clk = devm_clk_get_prepared(&pdev->dev, "csi");
> +		if (IS_ERR(mipi->csi_clk)) {

Doesn't look like the clock needs to be prepared. Normally, you would
need to have clock prepared if clock is enabled/disabled from a context
that can't sleep, like under spinlock or in IRQ handler. AFAICT, this
not the case here.


  parent reply	other threads:[~2025-08-16 14:37 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-17 14:21 [PATCH v1 0/5] gpu/drm: tegra: add DSI support for Tegra20/Tegra30 Svyatoslav Ryhel
2025-07-17 14:21 ` [PATCH v1 1/5] dt-bindings: display: tegra: document MIPI calibration " Svyatoslav Ryhel
2025-07-17 14:21 ` [PATCH v1 2/5] clk: tegra20: reparent dsi clock to pll_d_out0 Svyatoslav Ryhel
2025-07-17 14:21 ` [PATCH v1 3/5] gpu/drm: host1x: mipi: add Tegra20/Tegra30 MIPI calibration logic Svyatoslav Ryhel
2025-07-18  9:11   ` Mikko Perttunen
2025-07-18  9:17     ` Svyatoslav Ryhel
2025-07-23  1:36       ` Mikko Perttunen
2025-08-16 14:36   ` Dmitry Osipenko [this message]
2025-07-17 14:21 ` [PATCH v1 4/5] gpu/drm: tegra: dsi: add support for Tegra20/Tegra30 Svyatoslav Ryhel
2025-07-18  9:15   ` Mikko Perttunen
2025-07-18  9:19     ` Svyatoslav Ryhel
2025-07-18  9:25       ` Mikko Perttunen
2025-07-17 14:21 ` [PATCH v1 5/5] ARM: tegra: add MIPI calibration binding " Svyatoslav Ryhel
2025-07-18  9:01   ` Mikko Perttunen
2025-07-18  9:15     ` Svyatoslav Ryhel
2025-07-18  9:22       ` Mikko Perttunen
2025-07-18  9:26         ` Svyatoslav Ryhel
2025-07-23  1:57           ` Mikko Perttunen
2026-05-11  7:47 [PATCH v1 0/5] gpu/drm: tegra: add DSI support " Svyatoslav Ryhel
2026-05-11  7:47 ` [PATCH v1 3/5] gpu/drm: host1x: mipi: add Tegra20/Tegra30 MIPI calibration logic Svyatoslav Ryhel
2026-05-11  7:51   ` Svyatoslav Ryhel

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