#teamhacksung on 2013-11-22 — irc logs at freenode.irclog.whitequark.org

2013-06-29 00:34 codeworkx changed the topic of #teamhacksung to: HACKSUNG IS DEAD, HAIL HACKSUNG!

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11:13 <geecko_> xplodwild: you there?

11:13 <xplodwild> geecko_: yea

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11:16 <geecko_> xplodwild: stalls here https://github.com/omnirom/android_kernel_samsung_smdk4412/blob/android-4.3/drivers/video/samsung/s3cfb_ops.c#L1511

11:17 <geecko_> xplodwild: here :P https://github.com/omnirom/android_kernel_samsung_smdk4412/blob/android-4.4/drivers/video/samsung/s3cfb_ops.c#L1597

11:18 <geecko_> xplodwild: so it never reaches timeline_inc after a while

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11:20 <geecko_> re

11:21 <xplodwild> hmm

11:41 <geecko_> xplodwild: maybe s3cfb_get_win_cur_buf_addr() fails at some point

11:42 <geecko_> xplodwild: once i get home i will disable this loop and see what happens

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12:04 <geecko_> xplodwild: also my vps seems back to normal, i can recompile the kernel in a few minutes

12:04 <xplodwild> :)

12:04 <xplodwild> working on the N1 here

12:05 <geecko_> xplodwild: nexus one? wut

12:06 <xplodwild> Oppo N1

12:07 <geecko_> xplodwild: same :P

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12:08 <geecko_> rear touch panel :O

12:08 <geecko_> O-Click :O

12:10 <geecko_> xplodwild: it looks _really_ nice but it's definitely too large for me

12:10 <geecko_> 5.3" is my limit

12:14 <xplodwild> yeah it's quite a big device

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12:37 <geecko> xplodwild, re

12:37 <xplodwild> re

12:46 <geecko> xplodwild, this is sometimes set to 0 https://github.com/omnirom/android_kernel_samsung_smdk4412/blob/android-4.4/drivers/video/samsung/s3cfb_ops.c#L1609

12:47 <geecko> xplodwild, disabling the loop: fences not complaining, phone is responsive (i feel the unlock vibration on touch), black screen :P

12:49 <geecko> it's always the third overlay that derps

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13:51 <geecko> xplodwild, i'm under the impression that fix->smem_start is never set anywhere :P

13:51 <geecko> xplodwild, there's an ioctl for that, only defined for exynos4210

13:54 <geecko> hmm.. nevermind.

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15:16 <geecko> xplodwild, smem_start correctly set...

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15:28 <geecko> xplodwild, ok, vidw_buf_start[] stays at 0 while it shouldn't..

15:28 <geecko> vidw_buf_start[2]

15:28 <geecko> the weird thing is that it is set by the WIN_CONFIG ioctl

15:28 <geecko> it should, at least :P

15:31 <geecko> https://github.com/omnirom/android_kernel_samsung_smdk4412/blob/android-4.4/drivers/video/samsung/s3cfb_ops.c#L1907

15:32 <geecko> only one iteration here, which makes sense because there is only 1 window used

15:33 <geecko> why is window 2 set then ? o_o

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15:36 <geecko> ... wtf

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15:57 <geecko> xplodwild, https://github.com/omnirom/android_kernel_samsung_smdk4412/blob/android-4.4/drivers/video/samsung/s3cfb_ops.c#L1771

15:57 <geecko> win_config->virt_addr seems to be 0, while it shouldn't :P

15:57 <geecko> i'm verifying it right now

15:58 <geecko> recap

15:58 <geecko> win_config->virt_addr = 0

15:59 <geecko> so regs->vidw_buf_start[win_no] is at 0 in line 1797

15:59 <geecko> so this loop https://github.com/omnirom/android_kernel_samsung_smdk4412/blob/android-4.4/drivers/video/samsung/s3cfb_ops.c#L1597

16:00 <geecko> never ends because wait_for_vsync never sets to false

16:00 <xplodwild> hmm

16:00 <geecko> so sw_sync_timeline_inc(fbdev->timeline, 1); is never called, hence the fence timeouts

16:02 <geecko> xplodwild, yep, virt_addr is set to 0.

16:02 <geecko> xplodwild, i'd like to find why but my week-end in Dublin begins now, I have to leave ;D

16:07 <geecko> oh, i want to try one last thing before leaving :P

16:09 <bealtine^> did you get apermission slip to come to dublin?

16:13 <geecko> bealtine^, wut :D

16:14 <geecko> xplodwild, ok, i don't have time to try the thing... later!!

16:14 <bealtine^> we don't allow you foreigners here...specially ones from kerry

16:18 <geecko> bealtine^, http://cdn.meme.li/i/krkzh.jpg

16:18 <geecko> :D

16:19 <bealtine^> haha

16:19 <bealtine^> enjoy:)

16:19 <geecko> thanks!!

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16:37 <geecko> xplodwild, bealtine^, bye bye

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