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[94.29.39.224]) by smtp.gmail.com with ESMTPSA id y20sm18757695lfh.20.2020.03.08.15.38.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 08 Mar 2020 15:38:32 -0700 (PDT) From: Dmitry Osipenko To: Thierry Reding Subject: [PATCH v1 3/3] drm/tegra: dc: Silence RGB output deferred-probe error Date: Mon, 9 Mar 2020 01:38:09 +0300 Message-Id: <20200308223809.23549-3-digetx@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200308223809.23549-1-digetx@gmail.com> References: <20200308223809.23549-1-digetx@gmail.com> MIME-Version: 1.0 X-Mailman-Approved-At: Mon, 09 Mar 2020 08:13:37 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Driver fails to probe with -EPROBE_DEFER if display output isn't ready yet. This produces a bit noisy error message in KMSG during kernel's boot up on Tegra20 and Tegra30 because RGB output tends to be probed earlier than a corresponding voltage regulator driver. Signed-off-by: Dmitry Osipenko --- drivers/gpu/drm/tegra/dc.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c index 56d933e81797..d7f2c4654b6b 100644 --- a/drivers/gpu/drm/tegra/dc.c +++ b/drivers/gpu/drm/tegra/dc.c @@ -2571,7 +2571,11 @@ static int tegra_dc_probe(struct platform_device *pdev) err = tegra_dc_rgb_probe(dc); if (err < 0 && err != -ENODEV) { - dev_err(&pdev->dev, "failed to probe RGB output: %d\n", err); + if (err == -EPROBE_DEFER) + dev_dbg(&pdev->dev, "RGB output probe deferred\n"); + else + dev_err(&pdev->dev, "failed to probe RGB output: %d\n", + err); return err; } -- 2.25.1 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel