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Sat, 14 Dec 2024 21:37:00 -0800 (PST) From: Vasily Khoruzhick To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Michael Turquette , Stephen Boyd , Maxime Ripard , Roman Beranek , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org Cc: Vasily Khoruzhick Subject: [PATCH 3/3] clk: sunxi-ng: a64: stop force-selecting PLL-MIPI as TCON0 parent Date: Sat, 14 Dec 2024 21:34:59 -0800 Message-ID: <20241215053639.738890-4-anarsoul@gmail.com> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20241215053639.738890-1-anarsoul@gmail.com> References: <20241215053639.738890-1-anarsoul@gmail.com> Precedence: bulk X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Force selecting PLL-MIPI as TCON0 parent breaks video output on Pinebook that uses RGB to eDP bridge. TCON0 clock parent will be selected in the device tree instead. Fixes: ca1170b69968 ("clk: sunxi-ng: a64: force select PLL_MIPI in TCON0 mux") Signed-off-by: Vasily Khoruzhick --- drivers/clk/sunxi-ng/ccu-sun50i-a64.c | 11 ----------- 1 file changed, 11 deletions(-) diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-a64.c b/drivers/clk/sunxi-ng/ccu-sun50i-a64.c index 3a7d61c81667..cc8de0bfbc67 100644 --- a/drivers/clk/sunxi-ng/ccu-sun50i-a64.c +++ b/drivers/clk/sunxi-ng/ccu-sun50i-a64.c @@ -534,12 +534,6 @@ static SUNXI_CCU_M_WITH_MUX_GATE(de_clk, "de", de_parents, 0x104, 0, 4, 24, 3, BIT(31), CLK_SET_RATE_PARENT); -/* - * DSI output seems to work only when PLL_MIPI selected. Set it and prevent - * the mux from reparenting. - */ -#define SUN50I_A64_TCON0_CLK_REG 0x118 - static const char * const tcon0_parents[] = { "pll-mipi", "pll-video0-2x" }; static const u8 tcon0_table[] = { 0, 2, }; static SUNXI_CCU_MUX_TABLE_WITH_GATE_CLOSEST(tcon0_clk, "tcon0", tcon0_parents, @@ -959,11 +953,6 @@ static int sun50i_a64_ccu_probe(struct platform_device *pdev) writel(0x515, reg + SUN50I_A64_PLL_MIPI_REG); - /* Set PLL MIPI as parent for TCON0 */ - val = readl(reg + SUN50I_A64_TCON0_CLK_REG); - val &= ~GENMASK(26, 24); - writel(val | (0 << 24), reg + SUN50I_A64_TCON0_CLK_REG); - ret = devm_sunxi_ccu_probe(&pdev->dev, reg, &sun50i_a64_ccu_desc); if (ret) return ret; -- 2.47.1