From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maxime Ripard Subject: Re: [PATCH v4 0/6] media/sun6i: Allwinner A64 CSI support Date: Wed, 19 Dec 2018 16:39:36 +0100 Message-ID: <20181219153936.pxu6nwf2conp4b3m@flea> References: <20181218113320.4856-1-jagan@amarulasolutions.com> <20181218152122.4zj6wgbukhrl6ly6@flea> <20181219102450.picswsg3yevba23j@flea> Reply-To: maxime.ripard-LDxbnhwyfcJBDgjK7y7TUQ@public.gmane.org Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="42s4xmtnspqvogyw" Return-path: Sender: linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org Content-Disposition: inline In-Reply-To: List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , To: Jagan Teki Cc: Yong Deng , Mauro Carvalho Chehab , Rob Herring , Mark Rutland , Chen-Yu Tsai , linux-media , linux-arm-kernel , devicetree , linux-kernel , linux-sunxi , linux-amarula-dyjBcgdgk7Pe9wHmmfpqLFaTQe2KTcn/@public.gmane.org, Michael Trimarchi List-Id: devicetree@vger.kernel.org --42s4xmtnspqvogyw Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline 65;5402;1c On Wed, Dec 19, 2018 at 04:11:50PM +0530, Jagan Teki wrote: > On Wed, Dec 19, 2018 at 3:55 PM Maxime Ripard wrote: > > > > On Tue, Dec 18, 2018 at 08:58:22PM +0530, Jagan Teki wrote: > > > On Tue, Dec 18, 2018 at 8:51 PM Maxime Ripard wrote: > > > > > > > > On Tue, Dec 18, 2018 at 05:03:14PM +0530, Jagan Teki wrote: > > > > > This series support CSI on Allwinner A64. > > > > > > > > > > Tested 640x480, 320x240, 720p, 1080p resolutions UYVY8_2X8 format. > > > > > > > > > > Changes for v4: > > > > > - update the compatible string order > > > > > - add proper commit message > > > > > - included BPI-M64 patch > > > > > - skipped amarula-a64 patch > > > > > Changes for v3: > > > > > - update dt-bindings for A64 > > > > > - set mod clock via csi driver > > > > > - remove assign clocks from dtsi > > > > > - remove i2c-gpio opendrian > > > > > - fix avdd and dovdd supplies > > > > > - remove vcc-csi pin group supply > > > > > > > > > > Note: This series created on top of H3 changes [1] > > > > > > > > > > [1] https://patchwork.kernel.org/cover/10705905/ > > > > > > > > You had memory corruption before, how was this fixed? > > > > > > Memory corruption observed with default 600MHz on 1080p. It worked > > > fine on BPI-M64 (with 300MHz) > > > > I don't get it. In the previous version of those patches, you were > > mentionning you were still having this issue, even though you had the > > clock running at 300MHz, and then you tried to convince us to merge > > the patches nonetheless. > > > > Why would you say that then if that issue was fixed? > > Previous version has A64-Relic board, which has some xclk issue on > sensor side wrt 1080p. I have tried 300MHz on the same hardware, it's > failing to capture on 30fps and so I tried 600MHz(which is default) on > the same configuration but it encounter memory corruption. > > So, for checking whether there is an issue with hardware on A64-Relic > I moved with BPI-M64 dev board. which is working 1080p with 300MHz, ie > reason I have not included A64-Relic on this version and included > BPI-M64. We processed A64-Relic to hardware team to figure out the > clock and once ie fixed I'm planning to send DTS patch for that. > > This is overall summary, hope you understand. Ok, great, thanks! Maxime -- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com --42s4xmtnspqvogyw--