Messages in this thread | | | Date | Thu, 17 Mar 2022 11:10:23 +0200 | From | Sakari Ailus <> | Subject | Re: [PATCH v4] staging: media: ipu3: Fix AF x_start position when rightmost stripe is used |
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On Thu, Mar 17, 2022 at 04:53:07PM +0800, Kate Hsuan wrote: > Hi Sakari, > > On Thu, Mar 17, 2022 at 4:28 PM Sakari Ailus > <sakari.ailus@linux.intel.com> wrote: > > > > On Thu, Mar 17, 2022 at 03:57:13PM +0800, Kate Hsuan wrote: > > > For the AF configuration, if the rightmost stripe is used, the AF scene > > > will be at the incorrect location of the sensor. > > > > > > The AF coordinate may be set to the right part of the sensor. This > > > configuration would lead to x_start being greater than the > > > down_scaled_stripes offset and the leftmost stripe would be disabled > > > and only the rightmost stripe is used to control the AF coordinate. If > > > the x_start doesn't perform any adjustments, the AF coordinate will be > > > at the wrong place of the sensor since down_scaled_stripes offset > > > would be the new zero of the coordinate system. > > > > > > In this patch, if only the rightmost stripe is used, x_start should > > > minus down_scaled_stripes offset to maintain its correctness of AF > > > scene coordinate. > > > > > > Changes in v2: > > > 1. Remove the setting of the first stripe. > > > > > > Changes in v4: > > > 1. x_start is estimated based on the method for both stripes are enabled. > > > 2. x_end is estimated based on the width. > > > > Please put the changelog before '---' line. I've removed it from the commit > > message this time.
I meant to say after. Then it won't be part of the commit message.
> > > > -- > > Sakari Ailus > > > > Okay, I got it. > > Thank you. > > -- > BR, > Kate >
-- Sakari Ailus
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