Hi Florian, Sorry for the late reply. On Monday 23 December 2013 22:47:45 Florian Vaussard wrote: > On 12/17/2013 11:42 AM, Florian Vaussard wrote: > > Hello Laurent, > > > > I was working on having a functional IOMMU/ISP for 3.14, and had an > > issue with an image completely distorted. Comparing with another kernel, > > I saw that PRV_HORZ_INFO and PRV_VERT_INFO differed. On the newer > > kernel, sph, eph, svl, and slv were all off-by 2, causing my final image > > to miss 4 pixels on each line, thus distorting the result. > > > > Your commit 3fdfedaaa7f243f3347084231c64f6c1be0ba131 '[media] omap3isp: > > preview: Lower the crop margins' indeed changes PRV_HORZ_INFO and > > PRV_VERT_INFO by removing the if() condition. Reverting it made my image > > to be valid again. > > > > FYI, my pipeline is: > > > > MT9V032 (SGRBG10 752x480) -> CCDC -> PREVIEW (UYVY 752x480) -> RESIZER > > -> out > > Just an XMAS ping on this :-) Do you have any idea how to solve this > without reverting the patch? The patch indeed changed the preview engine margins, but the change is supposed to be handled by applications. As a base for this discussion could you please provide the media-ctl -p output before and after applying the patch ? You can strip the unrelated media entities out of the output. -- Regards, Laurent Pinchart -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
