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Wed, 09 Oct 2024 04:40:40 -0700 (PDT) Received: from linaro.org ([82.77.84.93]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a994a8da5d3sm495547966b.134.2024.10.09.04.40.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Oct 2024 04:40:40 -0700 (PDT) Date: Wed, 9 Oct 2024 14:40:37 +0300 From: Abel Vesa To: Marek Vasut Cc: dri-devel@lists.freedesktop.org, Abel Vesa , Andrzej Hajda , David Airlie , Fabio Estevam , Isaac Scott , Jernej Skrabec , Jonas Karlman , Laurent Pinchart , Maarten Lankhorst , Maxime Ripard , Michael Turquette , Neil Armstrong , Peng Fan , Pengutronix Kernel Team , Robert Foss , Sascha Hauer , Shawn Guo , Simona Vetter , Stephen Boyd , Thomas Zimmermann , imx@lists.linux.dev, kernel@dh-electronics.com, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org Subject: Re: [PATCH 1/2] clk: imx: clk-imx8mp: Allow LDB serializer clock reconfigure parent rate Message-ID: References: <20241008223846.337162-1-marex@denx.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20241008223846.337162-1-marex@denx.de> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241009_044043_646066_1710F654 X-CRM114-Status: GOOD ( 19.02 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 24-10-09 00:38:19, Marek Vasut wrote: > The media_ldb_root_clk supply LDB serializer. These clock are usually > shared with the LCDIFv3 pixel clock and supplied by the Video PLL on > i.MX8MP, but the LDB clock run at either x7 or x14 rate of the LCDIFv3 > pixel clock. Allow the LDB to reconfigure Video PLL as needed, as that > results in accurate serializer clock. > > Signed-off-by: Marek Vasut Any fixes tag needed ? Otherwise, LGTM: Reviewed-by: Abel Vesa > --- > Cc: Abel Vesa > Cc: Andrzej Hajda > Cc: David Airlie > Cc: Fabio Estevam > Cc: Isaac Scott > Cc: Jernej Skrabec > Cc: Jonas Karlman > Cc: Laurent Pinchart > Cc: Maarten Lankhorst > Cc: Maxime Ripard > Cc: Michael Turquette > Cc: Neil Armstrong > Cc: Peng Fan > Cc: Pengutronix Kernel Team > Cc: Robert Foss > Cc: Sascha Hauer > Cc: Shawn Guo > Cc: Simona Vetter > Cc: Stephen Boyd > Cc: Thomas Zimmermann > Cc: dri-devel@lists.freedesktop.org > Cc: imx@lists.linux.dev > Cc: kernel@dh-electronics.com > Cc: linux-arm-kernel@lists.infradead.org > Cc: linux-clk@vger.kernel.org > --- > drivers/clk/imx/clk-imx8mp.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/clk/imx/clk-imx8mp.c b/drivers/clk/imx/clk-imx8mp.c > index 516dbd170c8a3..2e61d340b8ab7 100644 > --- a/drivers/clk/imx/clk-imx8mp.c > +++ b/drivers/clk/imx/clk-imx8mp.c > @@ -611,7 +611,7 @@ static int imx8mp_clocks_probe(struct platform_device *pdev) > hws[IMX8MP_CLK_MEDIA_MIPI_PHY1_REF] = imx8m_clk_hw_composite("media_mipi_phy1_ref", imx8mp_media_mipi_phy1_ref_sels, ccm_base + 0xbd80); > hws[IMX8MP_CLK_MEDIA_DISP1_PIX] = imx8m_clk_hw_composite_bus_flags("media_disp1_pix", imx8mp_media_disp_pix_sels, ccm_base + 0xbe00, CLK_SET_RATE_PARENT); > hws[IMX8MP_CLK_MEDIA_CAM2_PIX] = imx8m_clk_hw_composite("media_cam2_pix", imx8mp_media_cam2_pix_sels, ccm_base + 0xbe80); > - hws[IMX8MP_CLK_MEDIA_LDB] = imx8m_clk_hw_composite("media_ldb", imx8mp_media_ldb_sels, ccm_base + 0xbf00); > + hws[IMX8MP_CLK_MEDIA_LDB] = imx8m_clk_hw_composite_bus_flags("media_ldb", imx8mp_media_ldb_sels, ccm_base + 0xbf00, CLK_SET_RATE_PARENT); > hws[IMX8MP_CLK_MEMREPAIR] = imx8m_clk_hw_composite_critical("mem_repair", imx8mp_memrepair_sels, ccm_base + 0xbf80); > hws[IMX8MP_CLK_MEDIA_MIPI_TEST_BYTE] = imx8m_clk_hw_composite("media_mipi_test_byte", imx8mp_media_mipi_test_byte_sels, ccm_base + 0xc100); > hws[IMX8MP_CLK_ECSPI3] = imx8m_clk_hw_composite("ecspi3", imx8mp_ecspi3_sels, ccm_base + 0xc180); > -- > 2.45.2 >