From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 670153AC17 for ; Sat, 12 Sep 2026 15:08:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789225729; cv=none; b=XNdnMKpgxxlSyyALF1MSl690QIV7RvHZJ0J1Cl4DG9Ahimf4FkjH2b5GaOccmGD6LuiB3QyaZIrCNgLEupB1eNOu+AYRXXhC3mSGY25srD+bi9cwbZMQzQ81VYescF7SCwjrNh0MY0lIMcCiO1ivxvlPdBV+PzcPpWWwEUZu6hU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789225729; c=relaxed/simple; bh=JVC14T0NlR91z9MdhqWTlHIW6Ij3gw2JjdgenNfnY/s=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=HaCSAJH+4DWQotQZtwdbgaIvGJ27aWhsTDDB8FgUxqf/t1xZTjk/6XLiZxa/kwvWqDeKU4dwZO6e4c+VXBALefob0Sa3jPez8eC/MBOpPOa8/m22gczhUsJpPEfepY/lbq8npqCGMt5WBJXXfUjtL+tR94+lZBX7v8KzQCfyV4s= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ky3SFMKI; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ky3SFMKI" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 940501F000FF; Sat, 12 Sep 2026 15:08:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789225728; bh=pdKRAcOJqkWunvBEfX61EFAN3Mj+gdKa5faqq6sm9Pw=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=ky3SFMKIbIPfiyrWJUKUWT4XmRiqK362JtqzP4/EHkWMHSa7yHmkdtuzLLKa//KUE KBWT+v2jmAy9Cq0H9NZ5oMXma5rp4uTR1cVrIrvp8IgwcT8RdAl8MXZMCH61kiZDdd EXqzd2irou/qj7rOR1mFuxgjr5cDdZD+DzzngsrW8Y8x+jVayMzjcw65J0T9Vfc4jD ZWb7pPHwBqYikByQoyPKoTgw7e0b/9EcXhgLFyVAeZzbyYEGYyFaQOEzR6WwimlayE aDAr3VEJhjjSZwU9+18LjgP1ipAo1z6jPsx3ogtURj3b2TR2uSdAXdaAhOjBvmmd0D seVu0RTHyTfGQ== From: Sasha Levin To: stable@vger.kernel.org Cc: Dmitry Baryshkov , Rob Clark , Sasha Levin Subject: [PATCH 5.10.y 1/3] drm/msm/dsi: do not enable PHYs when called for the slave DSI interface Date: Sat, 12 Sep 2026 11:08:44 -0400 Message-ID: <20260912150846.3054393-1-sashal@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <2026090910-activist-busily-77c5@gregkh> References: <2026090910-activist-busily-77c5@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Dmitry Baryshkov [ Upstream commit a14440042fe8dac6b7c507a946f46a6f50c9c05d ] Move the call to dsi_mgr_phy_enable after checking whether the DSI interface is slave, so that PHY enablement happens together with the host enablement. Signed-off-by: Dmitry Baryshkov Link: https://lore.kernel.org/r/20210609211211.2561090-1-dmitry.baryshkov@linaro.org Signed-off-by: Rob Clark Stable-dep-of: 6cd33b6f4155 ("drm/msm/dsi: round 6G byte clock rate to the PLL-achievable value") Signed-off-by: Sasha Levin --- drivers/gpu/drm/msm/dsi/dsi_manager.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/msm/dsi/dsi_manager.c b/drivers/gpu/drm/msm/dsi/dsi_manager.c index fb421ca56b3da..5736665da97b5 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_manager.c +++ b/drivers/gpu/drm/msm/dsi/dsi_manager.c @@ -381,14 +381,14 @@ static void dsi_mgr_bridge_pre_enable(struct drm_bridge *bridge) if (!msm_dsi_device_connected(msm_dsi)) return; - ret = dsi_mgr_phy_enable(id, phy_shared_timings); - if (ret) - goto phy_en_fail; - /* Do nothing with the host if it is slave-DSI in case of dual DSI */ if (is_dual_dsi && !IS_MASTER_DSI_LINK(id)) return; + ret = dsi_mgr_phy_enable(id, phy_shared_timings); + if (ret) + goto phy_en_fail; + ret = msm_dsi_host_power_on(host, &phy_shared_timings[id], is_dual_dsi); if (ret) { pr_err("%s: power on host %d failed, %d\n", __func__, id, ret); -- 2.53.0