Re: [PATCH 5/7] media: verisilicon: Add Rockchip VPU720 JPEG decoder
"Sascha Hauer" <[email protected]>
| Newsgroups | org.infradead.lists.linux-rockchip,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel,org.kernel.vger.linux-media |
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| Message-ID | <[email protected]> |
On 2026-08-19 11:48, Nicolas Dufresne wrote: > Hi Sascha, > > Le mercredi 19 août 2026 à 12:37 +0200, Sascha Hauer a écrit : > > +/* ------------------------------------------------------------------ */ > > +/* Register byte offsets from dec_base */ > > +/* ------------------------------------------------------------------ */ > > + > > +/* REG0: IP version / product ID */ > > +#define VDPU720_REG_VERSION 0x000 > > +#define VDPU720_PROD_NUM GENMASK(31, 16) > > +#define VDPU720_BIT_DEPTH BIT(8) > > Can you share a dump and share these register reset values. Looking at the > layout, clearly its highly modified, but probably derived from VSI multi-codec, > but I'm thinking perhaps we'll learn more from that. Its always nice to justify > when adding more chips that are not strictly VSI designs (or maybe it is) to the > hantro dirver. Here's a full register dump right after reset: 00000000: db1f0005 00000004 00120000 00000000 00000010: 00004400 00000000 00000000 00000000 00000020: 00000000 00000000 00000000 00000000 00000030: 00000000 00000000 00000000 00000000 00000040: 000000ff 00000000 00000000 00000000 00000050: 00000000 00000000 00000000 00000000 00000060: 00000000 00000000 00000000 00000000 00000070: 00000000 00000000 000000a8 00000001 00000080: 00200000 00080f06 00000000 00000000 00000090: 00000000 00000000 00000000 00000000 000000a0: 00040000 00001556 00000000 00000000 000000b0: 00000000 00000000 00000000 00000000 ... 000003f0: 00000000 00000000 00000000 00000000 Sascha -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ Linux-rockchip mailing list [email protected] http://lists.infradead.org/mailman/listinfo/linux-rockchip