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Sat, 15 Apr 2023 03:41:18 -0700 (PDT) From: Adam Ford To: dri-devel@lists.freedesktop.org Cc: m.szyprowski@samsung.com, marex@denx.de, aford@beaconembedded.com, Adam Ford , Rob Herring , Krzysztof Kozlowski , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Inki Dae , Jagan Teki , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , David Airlie , Daniel Vetter , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 3/6] drm: bridge: samsung-dsim: Fetch pll-clock-frequency automatically Date: Sat, 15 Apr 2023 05:41:00 -0500 Message-Id: <20230415104104.5537-3-aford173@gmail.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230415104104.5537-1-aford173@gmail.com> References: <20230415104104.5537-1-aford173@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230415_034120_651539_9895CFBE X-CRM114-Status: GOOD ( 14.89 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Fetch the clock rate of "sclk_mipi" (or "pll_clk") instead of having an entry in the device tree for samsung,pll-clock-frequency. Signed-off-by: Adam Ford --- drivers/gpu/drm/bridge/samsung-dsim.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/bridge/samsung-dsim.c b/drivers/gpu/drm/bridge/samsung-dsim.c index 9fec32b44e05..73f0c3fbbdf5 100644 --- a/drivers/gpu/drm/bridge/samsung-dsim.c +++ b/drivers/gpu/drm/bridge/samsung-dsim.c @@ -1744,11 +1744,6 @@ static int samsung_dsim_parse_dt(struct samsung_dsim *dsi) struct device_node *node = dev->of_node; int ret; - ret = samsung_dsim_of_read_u32(node, "samsung,pll-clock-frequency", - &dsi->pll_clk_rate); - if (ret < 0) - return ret; - ret = samsung_dsim_of_read_u32(node, "samsung,burst-clock-frequency", &dsi->burst_clk_rate); if (ret < 0) @@ -1823,13 +1818,18 @@ int samsung_dsim_probe(struct platform_device *pdev) if (IS_ERR(dsi->clks[i])) { if (strcmp(clk_names[i], "sclk_mipi") == 0) { dsi->clks[i] = devm_clk_get(dev, OLD_SCLK_MIPI_CLK_NAME); - if (!IS_ERR(dsi->clks[i])) + if (!IS_ERR(dsi->clks[i])) { + dsi->pll_clk_rate = clk_get_rate(dsi->clks[i]); continue; + } } dev_info(dev, "failed to get the clock: %s\n", clk_names[i]); return PTR_ERR(dsi->clks[i]); } + + if (strcmp(clk_names[i], "sclk_mipi") == 0) + dsi->pll_clk_rate = clk_get_rate(dsi->clks[i]); } dsi->reg_base = devm_platform_ioremap_resource(pdev, 0); -- 2.39.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel