On Mon, Dec 10, 2018 at 05:22:43PM +0530, Jagan Teki wrote: > The default CSI_SCLK seems unable to drive the sensor to capture > the image, so update it to working clock rate 300MHz for A64. > > Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx> > --- > drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c > index bbe45e893722..4b872800b244 100644 > --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c > +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c > @@ -822,6 +822,11 @@ static int sun6i_csi_resource_request(struct sun6i_csi_dev *sdev, > return PTR_ERR(sdev->clk_mod); > } > > + /* A64 need 300MHz mod clock to operate properly */ > + if (of_device_is_compatible(pdev->dev.of_node, > + "allwinner,sun50i-a64-csi")) > + clk_set_rate_exclusive(sdev->clk_mod, 300000000); > + Where is that 300MHz coming from? You claim in your comment that it "operates properly", yet in your previous mail about this, you were saying that 1080p @30Hz is broken. Which one is it? Maxime -- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com
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