From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3C98E4921BF; Wed, 1 Jul 2026 12:20:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782908405; cv=none; b=BJZXQJ+bij4EqDSDF7chZH/aOvR8G2zjmr/8XzLaej4s0Lb23uf8BqLrvdvDzHBDUxyF9p5CFXkXZtYZmq+3uBuLRZzOi5utpfGh6WM64ljW4RfLo7J3B23jOn5Qy3X9SwErButHz0Ejraj+PzE0BTfppoGE8zOD5Se3PxsQBzk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782908405; c=relaxed/simple; bh=lCnTkuoLSs95jOyae1GDu2ZIdMgN7tYB2OyAcBoBEuQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=kIm4S8SB8LLI/Nrvk+hogJsho/CHHNp+EBqXibOd/xz+q2raPk+Onz74PDPV+7OETAIoXzdAMTnk78CU9LxArspl/ymIT+gagh4ZHaJdgWVbQB33ANlJD+HjooUW/gfzaHZTElcBCraadnBxR/6LWMxMfPeOlm8gGR45IUQTKoM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=XTFeuDcO; arc=none smtp.client-ip=148.251.105.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="XTFeuDcO" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1782908402; bh=lCnTkuoLSs95jOyae1GDu2ZIdMgN7tYB2OyAcBoBEuQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XTFeuDcOQ5PyvS30crabtfSq7Onx49w/CsiJ+4bJXf1bmT4vurdo6zZSzGIr4BcIl K0Z6UVpr5uMiQxfGjxDvfoVLE1h2IU3u8SzyD9wg/gUXuH4HGvqDN2i4SCvfOgVWDt uaDYp35gj99Q8Fxu101yVw53njRScbwqFt3sy5SYzHv8yPyaBNTUPYep6P0qmQcI45 5ZN9SdSk+cjYbuYj0ddQ38qrOQ4q7BQwJBUPJlEDiHlFrTK3pKHtziioXdJDYj2VNG gTVdwKvO06/4EiELbpom1frv8qP1q/XQTJB86rJI3Fd2vTep695sFKfudD/S5czdbA tp6L2EqjqBe2g== Received: from IcarusMOD.eternityproject.eu (unknown [100.64.1.21]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by bali.collaboradmins.com (Postfix) with ESMTPSA id ED04517E0CF4; Wed, 1 Jul 2026 14:20:01 +0200 (CEST) From: AngeloGioacchino Del Regno To: chunkuang.hu@kernel.org Cc: p.zabel@pengutronix.de, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, jitao.shi@mediatek.com, dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kernel@collabora.com, justin.yeh@mediatek.com, jason-jh.lin@mediatek.com Subject: [PATCH 08/10] drm/mediatek: mtk_dsi: Enable PM Runtime on probe Date: Wed, 1 Jul 2026 14:19:48 +0200 Message-ID: <20260701121950.19454-9-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260701121950.19454-1-angelogioacchino.delregno@collabora.com> References: <20260701121950.19454-1-angelogioacchino.delregno@collabora.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Enable PM Runtime at the end of mtk_dsi_probe() so that the mediatek-drm mtk_ddp_comp_power_on() function is able to do pm_runtime_resume_and_get() and, analogously, the function mtk_ddp_comp_power_off() to pm_runtime_put() for the DSI device. This makes sure that the power domains for the DSI IP are turned on and off when necessary. Signed-off-by: AngeloGioacchino Del Regno --- drivers/gpu/drm/mediatek/mtk_dsi.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c index fc6f846208d6..9e4e4152090e 100644 --- a/drivers/gpu/drm/mediatek/mtk_dsi.c +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c @@ -1677,6 +1677,10 @@ static int mtk_dsi_probe(struct platform_device *pdev) dsi->bridge.of_node = dev->of_node; dsi->bridge.type = DRM_MODE_CONNECTOR_DSI; + ret = devm_pm_runtime_enable(dev); + if (ret) + return ret; + return 0; } -- 2.54.0