#linux-rockchip on 2017-06-07 — irc logs at freenode.irclog.whitequark.org

2017-05-08 04:47 ChanServ changed the topic of #linux-rockchip to: Rockchip development discussion | IRC log http://irclog.whitequark.org/linux-rockchip | Community GH https://github.com/linux-rockchip | Rockchip GH https://github.com/rockchip-linux | ML https://groups.google.com/group/linux-rockchip

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00:40 <wzyy2> "don't remember it was you sjg1_ or mmind00 you reported issues at 1Gbs for gmac_rockchip in uboot"

00:41 <wzyy2> I was caused by drive-strength

00:43 <wzyy2> https://patchwork.ozlabs.org/patch/524889/ This patch could fix it, but i wonder why it's not merged.

01:04 <sjg1_> wzyy2: It is marked 'changes requested'. If you like you could pick it up and make the changes

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03:15 <wzyy2> @kever ; )

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05:14 <hardik-> Hi All, I can see ION memory manager in graphics driver in kernel 3.0.36+ So I'm confused whether it's work only for android or it's need for linux also

05:52 <wzyy2> hardik, there is no linux graphics support in vendor 3.x kernel.

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07:34 <stdint> hardik-, it depends on which platform do you use

07:35 <stdint> there is linux graphic supporting in 3.10 kernel but not all the platform

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09:57 <rperier> wzyy2: mhhh I have to test this patch

09:57 <rperier> thanks for the info

10:01 <hardik-> stdint, wzyy2 : I'm using Rk3188 and want to drive RGB lcd_ILI9803_CPT4_3

10:01 <hardik-> stdint: kernel i'm using olimex/stable-3.0 https://github.com/StefanMavrodiev/RK3188-SOM.git

10:01 <stdint> you to at lease use the 3.10

10:08 <hardik-> stdint: I was just trying to use Android kernel 3.0.101 code given to me which is already working for this lcd ........but the same image also not working with linux.....don't know what modification done in android

10:08 <hardik-> but now i'm going to try 3.10

10:09 <stdint> I am not familiar with android, and there is no linux graphic supporting before the 3.10

10:19 <hardik-> Ok stdint, I'm also not familiar with android.....btw thanks a lot for suggesting new kernel ..

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13:03 <rperier> wzyy2: don't compute your point regarding https://patchwork.ozlabs.org/patch/524889/

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13:04 <rperier> it's from two years ago... not already present in master ?

13:04 <rperier> we already have stuffs for GRF_SOC_CON1 and GRF_SOC_CON3

13:09 <rperier> most of these stuffs are already there I mean

13:11 <rperier> mhhhh, it does not seems to be what I have in mind, my bad

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14:31 <wzyy2> +/* switch GPIO4B1 to 12ma drive-strength */

14:31 <wzyy2> +rk_clrsetreg(&grf->gpio1_e[3][1],

14:31 <wzyy2> + GPIO_BIAS_MASK(1),

14:31 <wzyy2> + GPIO_BIAS_12mA(1));

14:31 <wzyy2> /* switch GPIO4A4 to 12ma drive-strength */

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14:32 <wzyy2> I think current u-boot won't set them.

14:36 <wzyy2> I can confirm it's what make issues at 1Gbs for gmac_rockchip.

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15:01 <rperier> wzyy2: I confirm, current uboot won't set them and don't configure gmac for iomux and drive-strength

15:01 <rperier> I have rebased the patch onto uboot master, forced for gmac configuration, it is working @1gbps then

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